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      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_G11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.1.11H" accession="ERX1661400" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661400</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.1.11H</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.1.11H</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.1.11H</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300351">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300351</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388902</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.1.11H</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTGTAAAGGTTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_H11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.1.12E" accession="ERX1661401" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661401</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.1.12E</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.1.12E</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.1.12E</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300352">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300352</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388903</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.1.12E</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGGACGCCAGCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_E12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.1.12F" accession="ERX1661402" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661402</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.1.12F</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.1.12F</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.1.12F</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300353">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300353</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388904</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.1.12F</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAATGCGTATAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_F12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.1.12G" accession="ERX1661403" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661403</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.1.12G</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.1.12G</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.1.12G</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300354">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300354</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388905</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.1.12G</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CACAATACACCG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_G12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.1.12H" accession="ERX1661404" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661404</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.1.12H</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.1.12H</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.1.12H</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300355">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300355</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388906</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.1.12H</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GGCAGTGTTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_H12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.10B" accession="ERX1661405" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661405</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.10B</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.10B</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.10B</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300356">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300356</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388907</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.10B</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCGTAGTAATGG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_B10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.10C" accession="ERX1661406" broker_name="">
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      <PRIMARY_ID>ERX1661406</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.10C</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.10C</SUBMITTER_ID>
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    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.10C</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300357">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300357</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388908</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.10C</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCAGAGAGGCTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_C10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.10D" accession="ERX1661407" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661407</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.10D</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.10D</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.10D</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300358">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300358</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388909</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.10D</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAGTCCGTTGCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_D10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.10E" accession="ERX1661408" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661408</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.10E</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.10E</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.10E</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300359">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300359</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388910</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.10E</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CAACTTAATGTT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_E10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.10F" accession="ERX1661409" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661409</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.10F</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.10F</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.10F</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300360">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300360</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388911</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.10F</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTGTACTTCTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_F10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.10G" accession="ERX1661410" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661410</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.10G</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.10G</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.10G</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300361">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300361</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388912</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.10G</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GGCCCTGTGGGC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_G10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.10H" accession="ERX1661411" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661411</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.10H</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.10H</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.10H</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300362">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300362</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388913</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.10H</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCATCGTCTGGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_H10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.11A" accession="ERX1661412" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661412</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.11A</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.11A</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.11A</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300363">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300363</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388914</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.11A</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CATGAACAGTGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_A11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.11B" accession="ERX1661413" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661413</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.11B</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.11B</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.11B</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300364">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300364</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388915</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.11B</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CGGGTCCTCTTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_B11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.11C" accession="ERX1661414" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661414</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.11C</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.11C</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.11C</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300365">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300365</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388916</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.11C</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CGTTTATCCGTT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_C11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.11D" accession="ERX1661415" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661415</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.11D</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.11D</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.11D</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300366">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300366</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388917</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.11D</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TAACCACCAACG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_D11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.11E" accession="ERX1661416" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661416</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.11E</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.11E</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.11E</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300367">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300367</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388918</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.11E</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TAGCGACCTCAC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_E11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.11F" accession="ERX1661417" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661417</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.11F</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.11F</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.11F</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300368">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300368</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388919</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.11F</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TAGGCATGCTTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_F11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.11G" accession="ERX1661418" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661418</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.11G</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.11G</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.11G</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300369">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300369</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388920</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.11G</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATCCATGAGCGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_G11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.11H" accession="ERX1661419" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661419</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.11H</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.11H</SUBMITTER_ID>
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    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.11H</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300370">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300370</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388921</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.11H</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
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    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAGGCAAACGCC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_H11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
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      <PRIMARY_ID>ERX1661420</PRIMARY_ID>
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      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.12A</SUBMITTER_ID>
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    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.12A</TITLE>
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        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
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    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300371">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300371</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388922</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.12A</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TAGGTAACCGAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_A12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.12B" accession="ERX1661421" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661421</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.12B</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.12B</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.12B</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300372">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300372</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388923</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.12B</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTCGGGCCGGTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_B12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.12C" accession="ERX1661422" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661422</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.12C</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.12C</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.12C</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300373">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300373</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388924</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.12C</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCTAGACACTAC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_C12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.12D" accession="ERX1661423" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661423</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.12D</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.12D</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.12D</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300374">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300374</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388925</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.12D</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCGTCTGATATT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_D12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.12E" accession="ERX1661424" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661424</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.12E</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.12E</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.12E</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300375">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300375</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388926</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.12E</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CCAGCGCTTCAC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_E12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.12F" accession="ERX1661425" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661425</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.12F</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.12F</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.12F</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300376">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300376</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388927</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.12F</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AATAGTCGTGAC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_F12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.12G" accession="ERX1661426" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661426</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.12G</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.12G</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.12G</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300377">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300377</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388928</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.12G</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAGGCCTCGGGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_G12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.12H" accession="ERX1661427" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661427</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.12H</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.12H</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.12H</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300378">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300378</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388929</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.12H</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GACTTGGTAAAC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_H12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.4F" accession="ERX1661428" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661428</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.4F</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.4F</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.4F</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300379">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300379</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388930</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.4F</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CGGCGATGAAAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_F4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.4G" accession="ERX1661429" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661429</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.4G</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.4G</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.4G</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300380">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300380</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388931</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.4G</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GACCACTGCTGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_G4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.4H" accession="ERX1661430" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661430</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.4H</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.4H</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.4H</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300381">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300381</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388932</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.4H</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AATCATTTGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_H4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.7H" accession="ERX1661431" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661431</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.7H</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.7H</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.7H</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300382">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300382</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388933</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.7H</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CAGAAATGTGTC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_H7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.8B" accession="ERX1661432" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661432</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.8B</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.8B</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.8B</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300383">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300383</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388934</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.8B</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAACTCGCTATG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_B8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.8D" accession="ERX1661433" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661433</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.8D</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.8D</SUBMITTER_ID>
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    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.8D</TITLE>
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      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300384">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300384</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388935</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.8D</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCGATAAGTAAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_D8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
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  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.8E" accession="ERX1661434" broker_name="">
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      <PRIMARY_ID>ERX1661434</PRIMARY_ID>
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      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.8E</SUBMITTER_ID>
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    <STUDY_REF accession="ERP016897">
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        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
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      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300385">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300385</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388936</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.8E</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CCATAGGAGGCG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_E8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.8F" accession="ERX1661435" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661435</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.8F</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.8F</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.8F</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300386">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300386</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388937</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.8F</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCCGCGGGATCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_F8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.2.8G" accession="ERX1661436" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661436</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.2.8G</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.2.8G</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.2.8G</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300387">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300387</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388938</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.2.8G</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCTTAAGATTTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_G8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.3.11E" accession="ERX1661437" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661437</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.3.11E</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.3.11E</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.3.11E</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300388">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300388</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388939</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.3.11E</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CCTGGTGTCCGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_E11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.3.11F" accession="ERX1661438" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661438</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.3.11F</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.3.11F</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.3.11F</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300389">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300389</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388940</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.3.11F</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GGAAGCTTAACT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_F11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.3.11G" accession="ERX1661439" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661439</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.3.11G</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.3.11G</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.3.11G</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300390">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300390</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388941</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.3.11G</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATAATCTAATCC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_G11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.3.11H" accession="ERX1661440" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661440</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.3.11H</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.3.11H</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.3.11H</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300391">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300391</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388942</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.3.11H</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCCAGGCTTCCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_H11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.3.12E" accession="ERX1661441" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661441</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.3.12E</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.3.12E</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.3.12E</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300392">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300392</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388943</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.3.12E</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GGTCCCGAAATT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_E12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.3.12F" accession="ERX1661442" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661442</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.3.12F</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.3.12F</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.3.12F</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300393">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300393</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388944</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.3.12F</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GACAATTCCGAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_F12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.3.12G" accession="ERX1661443" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661443</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.3.12G</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.3.12G</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.3.12G</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300394">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300394</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388945</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.3.12G</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TAGGTCTAGGTC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_G12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BLANK.3.12H" accession="ERX1661444" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661444</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BLANK.3.12H</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BLANK.3.12H</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BLANK.3.12H</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300395">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300395</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388946</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BLANK.3.12H</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCACCAATCTGC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_H12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.BROKEN.WELL" accession="ERX1661445" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661445</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.BROKEN.WELL</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.BROKEN.WELL</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.BROKEN.WELL</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300396">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300396</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388947</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.BROKEN.WELL</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TACTTAAACATC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_H7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM1.ETOH" accession="ERX1661446" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661446</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM1.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM1.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM1.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300397">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300397</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388948</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM1.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TGCAACTTGCAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_C9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM10" accession="ERX1661447" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661447</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM10</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM10</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM10</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300398">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300398</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388949</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM10</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTTGAGAAATCG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_F10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM10.ETOH" accession="ERX1661448" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661448</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM10.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM10.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM10.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300399">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300399</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388950</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM10.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCCCGCCTACGC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_E10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM11" accession="ERX1661449" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661449</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM11</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM11</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM11</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300400">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300400</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388951</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM11</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGCTATGTATGG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_F1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM12" accession="ERX1661450" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661450</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM12</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM12</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM12</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300401">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300401</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388952</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM12</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AAGGGTTAGTCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_H1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM12.ETOH" accession="ERX1661451" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661451</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM12.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM12.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM12.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300402">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300402</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388953</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM12.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTTCCCAACGGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_G10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM13" accession="ERX1661452" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661452</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM13</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM13</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM13</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300403">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300403</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388954</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM13</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TGGAATTCGGCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_A2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM13.ETOH" accession="ERX1661453" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661453</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM13.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM13.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM13.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300404">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300404</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388955</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM13.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CACTTGCTCTCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_G8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM14" accession="ERX1661454" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661454</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM14</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM14</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM14</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300405">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300405</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388956</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM14</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GGAATCCGATTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_B1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM15.ETOH" accession="ERX1661455" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661455</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM15.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM15.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM15.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300406">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300406</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388957</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM15.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACCGATTAGGTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_B9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM16" accession="ERX1661456" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661456</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM16</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM16</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM16</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300407">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300407</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388958</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM16</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACATCAGGTCAC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_E1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM16.ETOH" accession="ERX1661457" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661457</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM16.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM16.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM16.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300408">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300408</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388959</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM16.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATCGATCCACAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_B10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM2" accession="ERX1661458" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661458</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300409">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300409</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388960</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACGCGAACTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_H2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM2.ETOH" accession="ERX1661459" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661459</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM2.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM2.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM2.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300410">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300410</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388961</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM2.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCCTTACGATAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_A9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM20.ETOH" accession="ERX1661460" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661460</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM20.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM20.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM20.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300411">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300411</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388962</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM20.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACCCTGGGTATC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_F10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM21" accession="ERX1661461" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661461</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM21</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM21</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM21</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300412">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300412</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388963</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM21</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CATTCAGTTATA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_D6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM21.ETOH" accession="ERX1661462" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661462</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM21.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM21.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM21.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300413">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300413</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388964</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM21.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCAACTATGTCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_E2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM22" accession="ERX1661463" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661463</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM22</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM22</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM22</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300414">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300414</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388965</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM22</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACACGCGGTTTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_E10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM22.ETOH" accession="ERX1661464" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661464</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM22.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM22.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM22.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300415">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300415</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388966</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM22.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATGCAACTCGAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_G1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM23" accession="ERX1661465" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661465</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM23</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM23</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM23</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300416">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300416</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388967</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM23</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTTCCATCGGCC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_G6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM23.ETOH" accession="ERX1661466" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661466</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM23.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM23.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM23.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300417">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300417</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388968</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM23.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AACGTCCTGTGC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_C3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM24" accession="ERX1661467" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661467</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM24</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM24</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM24</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300418">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300418</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388969</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM24</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTTCGGTGTCCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_A1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM24.ETOH" accession="ERX1661468" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661468</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM24.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM24.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM24.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300419">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300419</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388970</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM24.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AAGGTGGACAAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_D3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM25" accession="ERX1661469" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661469</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM25</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM25</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM25</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300420">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300420</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388971</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM25</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGGAACCAGACG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_B7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM25.ETOH" accession="ERX1661470" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661470</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM25.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM25.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM25.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300421">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300421</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388972</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM25.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTGTGCTAACGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_F3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM26" accession="ERX1661471" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661471</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM26</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM26</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM26</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300422">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300422</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388973</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM26</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTAAATTCAGGC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_C2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM26.ETOH" accession="ERX1661472" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661472</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM26.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM26.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM26.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300423">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300423</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388974</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM26.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TGGCATGTTGGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_F2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM27" accession="ERX1661473" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661473</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM27</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM27</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM27</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300424">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300424</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388975</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM27</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATCGTTATATCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_H6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM27.ETOH" accession="ERX1661474" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661474</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM27.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM27.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM27.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300425">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300425</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388976</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM27.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTTCGCGGATGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_A3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM28" accession="ERX1661475" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661475</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM28</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM28</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM28</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300426">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300426</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388977</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM28</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTAGTCGCTGGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_D1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM28.ETOH" accession="ERX1661476" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661476</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM28.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM28.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM28.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300427">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300427</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388978</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM28.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATTGGGACATAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_H2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM29" accession="ERX1661477" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661477</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM29</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM29</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM29</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300428">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300428</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388979</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM29</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TGTTGCGTTTCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_F2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM29.ETOH" accession="ERX1661478" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661478</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM29.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM29.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM29.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300429">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300429</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388980</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM29.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCAATGACCGCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_C1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM3" accession="ERX1661479" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661479</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM3</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM3</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM3</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300430">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300430</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388981</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM3</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GGTAATAGAGTT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_B2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM3.ETOH" accession="ERX1661480" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661480</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM3.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM3.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM3.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300431">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300431</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388982</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM3.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CCATCGACGCTC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_H9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM30" accession="ERX1661481" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661481</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM30</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM30</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM30</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300432">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300432</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388983</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM30</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATGTATCAATTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_E8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM30.ETOH" accession="ERX1661482" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661482</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM30.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM30.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM30.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300433">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300433</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388984</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM30.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAGCATTACATG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_E5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM31" accession="ERX1661483" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661483</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM31</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM31</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM31</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300434">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300434</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388985</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM31</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AATATCGGGATC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_D2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM31.ETOH" accession="ERX1661484" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661484</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM31.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM31.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM31.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300435">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300435</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388986</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM31.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATGGCCTGACTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_B1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM32" accession="ERX1661485" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661485</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM32</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM32</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM32</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300436">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300436</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388987</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM32</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TTGGAACGGCTT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_F1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM32.ETOH" accession="ERX1661486" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661486</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM32.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM32.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM32.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300437">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300437</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388988</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM32.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGAGCTCCTCTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_D5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM33" accession="ERX1661487" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661487</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM33</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM33</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM33</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300438">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300438</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388989</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM33</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATTTGCTTTGCC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_B3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM33.ETOH" accession="ERX1661488" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661488</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM33.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM33.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM33.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300439">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300439</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388990</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM33.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GGTACTGTACCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_D2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM34" accession="ERX1661489" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661489</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM34</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM34</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM34</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300440">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300440</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388991</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM34</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TGGACTCAGCTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_E2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM34.ETOH" accession="ERX1661490" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661490</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM34.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM34.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM34.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300441">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300441</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388992</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM34.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GGTCGAATTGCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_E1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM35" accession="ERX1661491" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661491</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM35</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM35</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM35</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300442">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300442</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388993</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM35</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTACCGATTGCG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_A2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM35.ETOH" accession="ERX1661492" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661492</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM35.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM35.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM35.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300443">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300443</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388994</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM35.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATCACATTCTCC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_B3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM36" accession="ERX1661493" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661493</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM36</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM36</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM36</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300444">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300444</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388995</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM36</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TGGCCGTTACTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_A7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM36.ETOH" accession="ERX1661494" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661494</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM36.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM36.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM36.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300445">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300445</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388996</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM36.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACAAGTGCTGCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_B6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM4" accession="ERX1661495" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661495</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM4</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM4</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM4</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300446">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300446</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388997</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM4</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GGTCCTTCCCGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_D2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM4.ETOH" accession="ERX1661496" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661496</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM4.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM4.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM4.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300447">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300447</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388998</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM4.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCGGAGCACGTC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_E9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM5" accession="ERX1661497" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661497</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM5</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM5</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM5</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300448">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300448</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4388999</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM5</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AATGACCTCGTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_G1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM5.ETOH" accession="ERX1661498" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661498</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM5.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM5.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM5.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300449">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300449</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389000</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM5.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGGAATACTCAC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM6" accession="ERX1661499" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661499</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM6</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM6</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM6</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300450">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300450</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389001</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM6</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TTCCGAATCGGC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_F2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM6.ETOH" accession="ERX1661500" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661500</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM6.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM6.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM6.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300451">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300451</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389002</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM6.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AAGCTAAAGCTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_F9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM8.ETOH" accession="ERX1661501" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661501</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM8.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM8.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM8.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300452">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300452</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389003</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM8.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TAAGCGTCTCGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_C4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM9" accession="ERX1661502" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661502</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM9</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM9</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM9</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300453">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300453</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389004</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM9</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TAGACCGACTCC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_A1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Mong.DOM9.ETOH" accession="ERX1661503" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661503</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Mong.DOM9.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Mong.DOM9.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Mong.DOM9.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300454">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300454</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389005</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Mong.DOM9.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TACTAGATATTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_C10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.2NI.ETOH1" accession="ERX1661504" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661504</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.2NI.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.2NI.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.2NI.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300455">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300455</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389006</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.2NI.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACAATCCCGAGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_G9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.2NI.RNAL1" accession="ERX1661505" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661505</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.2NI.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.2NI.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.2NI.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300456">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300456</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389007</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.2NI.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGCCAGTCATAC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_B4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.2SH.ETOH1" accession="ERX1661506" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661506</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.2SH.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.2SH.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.2SH.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300457">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300457</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389008</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.2SH.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTCACCAATCCG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_H10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.2SH.RNAL1" accession="ERX1661507" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661507</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.2SH.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.2SH.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.2SH.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300458">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300458</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389009</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.2SH.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CAGACCGGACGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_E2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3AS.ETOH1" accession="ERX1661508" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661508</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3AS.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3AS.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3AS.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300459">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300459</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389010</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3AS.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTGGGCGGCCCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_E5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3AS.RNAL1" accession="ERX1661509" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661509</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3AS.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3AS.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3AS.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300460">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300460</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389011</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3AS.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAGAGTCCACTT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_A3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3CA.ETOH1" accession="ERX1661510" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661510</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3CA.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3CA.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3CA.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300461">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300461</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389012</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3CA.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAGGTATTCTGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_C5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3CA.RNAL1" accession="ERX1661511" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661511</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3CA.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3CA.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3CA.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300462">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300462</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389013</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3CA.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TGAAAGCGGCGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_H2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3CH.RNAL1" accession="ERX1661512" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661512</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3CH.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3CH.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3CH.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300463">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300463</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389014</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3CH.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAAGATCTATCG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_A3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3CR.ETOH1" accession="ERX1661513" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661513</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3CR.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3CR.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3CR.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300464">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300464</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389015</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3CR.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATCATCTCGGCG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_G2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3CR.RNAL1" accession="ERX1661514" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661514</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3CR.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3CR.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3CR.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300465">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300465</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389016</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3CR.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CCTAAGAGCATC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_A12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3DI.ETOH1" accession="ERX1661515" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661515</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3DI.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3DI.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3DI.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300466">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300466</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389017</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3DI.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CCAGGGACTTCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_B5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3DI.RNAL1" accession="ERX1661516" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661516</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3DI.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3DI.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3DI.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300467">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300467</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389018</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3DI.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCTATATCCAGG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_G2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3HA.ETOH1" accession="ERX1661517" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661517</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3HA.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3HA.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3HA.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300468">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300468</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389019</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3HA.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CGTAAGATGCCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_C6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3HA.RNAL1" accession="ERX1661518" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661518</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3HA.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3HA.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3HA.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300469">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300469</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389020</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3HA.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TTCGACTAATAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_H3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3KD.ETOH1" accession="ERX1661519" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661519</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3KD.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3KD.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3KD.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300470">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300470</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389021</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3KD.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCAAGCTGTCTC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_B2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3KD.RNAL1" accession="ERX1661520" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661520</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3KD.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3KD.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3KD.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300471">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300471</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389022</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3KD.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCAAGAATACAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_B1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3SR.RNAL1" accession="ERX1661521" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661521</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3SR.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3SR.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3SR.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300472">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300472</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389023</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3SR.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCATGTCGAAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_G2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3TA.RNAL1" accession="ERX1661522" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661522</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3TA.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3TA.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3TA.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300473">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300473</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389024</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3TA.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTCATATGCTAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_D9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3UGH.ETOH1" accession="ERX1661523" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661523</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3UGH.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3UGH.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3UGH.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300474">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300474</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389025</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3UGH.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGCCTGGTACCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_D12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3UGH.RNAL1" accession="ERX1661524" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661524</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3UGH.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3UGH.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3UGH.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300475">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300475</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389026</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3UGH.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CACTAGACCCAC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_C3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3UKD.ETOH1" accession="ERX1661525" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661525</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3UKD.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3UKD.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3UKD.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300476">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300476</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389027</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3UKD.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTGTAATGTAGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_B5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3UKD.RNAL1" accession="ERX1661526" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661526</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3UKD.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3UKD.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3UKD.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300477">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300477</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389028</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3UKD.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCATACAGCCAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_D8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3YO.ETOH1" accession="ERX1661527" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661527</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3YO.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3YO.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3YO.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300478">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300478</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389029</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3YO.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCTTATTGCTTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_A1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.3YO.RNAL1" accession="ERX1661528" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661528</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.3YO.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.3YO.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.3YO.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300479">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300479</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389030</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.3YO.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CCGCATGACCTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_C2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5AS.ETOH2" accession="ERX1661529" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661529</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5AS.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5AS.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5AS.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300480">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300480</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389031</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5AS.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TGAGTTCGGTCC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_F4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5AS.RNAL2" accession="ERX1661530" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661530</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5AS.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5AS.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5AS.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300481">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300481</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389032</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5AS.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TTGCGACAAAGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_B6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5BR.ETOH1" accession="ERX1661531" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661531</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5BR.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5BR.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5BR.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300482">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300482</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389033</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5BR.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TGAGCGCACGCG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_A4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5BR.ETOH2" accession="ERX1661532" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661532</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5BR.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5BR.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5BR.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300483">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300483</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389034</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5BR.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACGGTGAAAGCG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_A11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5BR.RNAL1" accession="ERX1661533" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661533</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5BR.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5BR.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5BR.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300484">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300484</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389035</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5BR.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAGCGCCGAACA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_B12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5BR.RNAL2" accession="ERX1661534" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661534</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5BR.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5BR.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5BR.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300485">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300485</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389036</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5BR.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CGCTGGCTTTAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_F8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5CA.ETOH2" accession="ERX1661535" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661535</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5CA.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5CA.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5CA.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300486">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300486</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389037</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5CA.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CACCTCCAAGGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_B11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5CA.RNAL2" accession="ERX1661536" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661536</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5CA.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5CA.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5CA.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300487">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300487</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389038</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5CA.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTCATTGGGCTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_B9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5CL.ETOH1" accession="ERX1661537" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661537</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5CL.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5CL.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5CL.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300488">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300488</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389039</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5CL.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTGTTACAGCGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_D8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5CL.RNAL1" accession="ERX1661538" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661538</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5CL.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5CL.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5CL.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300489">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300489</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389040</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5CL.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTCCCAGTCCCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_B3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5CM.ETOH1" accession="ERX1661539" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661539</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5CM.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5CM.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5CM.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300490">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300490</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389041</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5CM.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAATGACGTTTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_H5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5CM.RNAL1" accession="ERX1661540" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661540</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5CM.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5CM.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5CM.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300491">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300491</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389042</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5CM.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACACTCATTACT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_G7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5DB.ETOH1" accession="ERX1661541" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661541</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5DB.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5DB.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5DB.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300492">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300492</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389043</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5DB.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TATAATCCGAGG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_F6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5DB.RNAL1" accession="ERX1661542" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661542</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5DB.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5DB.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5DB.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300493">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300493</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389044</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5DB.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AAGATCGTACTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_A9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5HS.RNAL1" accession="ERX1661543" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661543</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5HS.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5HS.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5HS.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300494">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300494</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389045</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5HS.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGAAGGCCTTAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_E1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5KH.ETOH1" accession="ERX1661544" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661544</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5KH.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5KH.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5KH.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300495">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300495</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389046</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5KH.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CATGAGACTGTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_A5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5KH.RNAL1" accession="ERX1661545" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661545</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5KH.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5KH.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5KH.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300496">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300496</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389047</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5KH.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGACACCAATGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_C8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5KL.ETOH1" accession="ERX1661546" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661546</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5KL.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5KL.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5KL.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300497">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300497</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389048</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5KL.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CAATATTCAATA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_E7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5KL.RNAL1" accession="ERX1661547" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661547</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5KL.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5KL.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5KL.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300498">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300498</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389049</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5KL.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTGCGAGGACAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5NA.ETOH1" accession="ERX1661548" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661548</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5NA.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5NA.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5NA.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300499">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300499</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389050</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5NA.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TAGTGTCGGATC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_A5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5NA.RNAL1" accession="ERX1661549" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661549</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5NA.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5NA.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5NA.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300500">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300500</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389051</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5NA.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCTACGGCACGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_B10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5PX.ETOH1" accession="ERX1661550" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661550</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5PX.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5PX.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5PX.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300501">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300501</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389052</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5PX.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAAGGAAAGTAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_H6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5PX.RNAL1" accession="ERX1661551" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661551</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5PX.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5PX.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5PX.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300502">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300502</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389053</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5PX.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCGTTAACCCAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_G3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5SH.ETOH2" accession="ERX1661552" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661552</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5SH.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5SH.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5SH.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300503">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300503</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389054</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5SH.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTTTATGTGTCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_D1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5SH.RNAL2" accession="ERX1661553" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661553</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5SH.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5SH.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5SH.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300504">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300504</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389055</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5SH.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATCGCCGCCTTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_A4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5SR.ETOH1" accession="ERX1661554" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661554</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5SR.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5SR.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5SR.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300505">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300505</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389056</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5SR.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATATACCTGCGG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_E6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5SR.RNAL1" accession="ERX1661555" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661555</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5SR.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5SR.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5SR.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300506">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300506</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389057</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5SR.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CGCAGATTAGTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_C9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5SS.ETOH1" accession="ERX1661556" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661556</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5SS.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5SS.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5SS.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300507">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300507</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389058</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5SS.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AACCGATGTACC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_A8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5SS.RNAL1" accession="ERX1661557" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661557</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5SS.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5SS.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5SS.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300508">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300508</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389059</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5SS.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTCAATTAGTGG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_A11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5TO.ETOH1" accession="ERX1661558" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661558</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5TO.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5TO.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5TO.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300509">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300509</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389060</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5TO.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTAATATTTGAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_E4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5TO.ETOH2" accession="ERX1661559" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661559</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5TO.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5TO.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5TO.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300510">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300510</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389061</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5TO.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTTGGGATCCTC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_F5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5TO.RNAL1" accession="ERX1661560" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661560</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5TO.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5TO.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5TO.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300511">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300511</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389062</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5TO.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAGAGGGATCAC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_A6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5TO.RNAL2" accession="ERX1661561" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661561</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5TO.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5TO.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5TO.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300512">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300512</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389063</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5TO.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTCTTCTGATCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_D10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5UH.ETOH1" accession="ERX1661562" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661562</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5UH.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5UH.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5UH.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300513">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300513</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389064</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5UH.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TGGGACATATCC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_A12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.5UH.RNAL1" accession="ERX1661563" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661563</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.5UH.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.5UH.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.5UH.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300514">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300514</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389065</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.5UH.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TACCTGTGTCTT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_G1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6AH.ETOH1" accession="ERX1661564" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661564</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6AH.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6AH.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6AH.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300515">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300515</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389066</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6AH.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AAGTGCTTGGTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_E8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6AH.RNAL1" accession="ERX1661565" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661565</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6AH.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6AH.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6AH.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300516">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300516</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389067</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6AH.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TATGCTCTCTCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_H5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6AR.ETOH1" accession="ERX1661566" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661566</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6AR.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6AR.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6AR.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300517">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300517</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389068</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6AR.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TTACCCGCACAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_A6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6AR.ETOH2" accession="ERX1661567" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661567</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6AR.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6AR.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6AR.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300518">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300518</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389069</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6AR.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTTCTTCGCCCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_C5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6AR.RNAL1" accession="ERX1661568" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661568</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6AR.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6AR.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6AR.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300519">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300519</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389070</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6AR.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCCTAGGTCCGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_C10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6AR.RNAL2" accession="ERX1661569" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661569</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6AR.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6AR.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6AR.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300520">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300520</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389071</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6AR.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATAGACACTCCG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_G9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6BI.ETOH2" accession="ERX1661570" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661570</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6BI.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6BI.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6BI.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300521">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300521</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389072</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6BI.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGACAAGCTTCC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_F5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6BI.RNAL1" accession="ERX1661571" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661571</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6BI.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6BI.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6BI.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300522">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300522</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389073</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6BI.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATTTGAAGAGGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_A10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6CH.ETOH2" accession="ERX1661572" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661572</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6CH.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6CH.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6CH.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300523">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300523</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389074</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6CH.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCTGATCGAGGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_H4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6CH.RNAL2" accession="ERX1661573" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661573</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6CH.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6CH.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6CH.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300524">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300524</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389075</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6CH.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CGCGGCGCAGCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_D11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6CI.ETOH1" accession="ERX1661574" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661574</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6CI.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6CI.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6CI.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300525">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300525</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389076</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6CI.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AACTGGAACCCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_H7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6CI.RNAL1" accession="ERX1661575" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661575</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6CI.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6CI.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6CI.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300526">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300526</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389077</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6CI.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CAAATGGTCGTC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_E9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6CL.ETOH2" accession="ERX1661576" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661576</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6CL.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6CL.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6CL.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300527">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300527</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389078</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6CL.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTGACTAGTGAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_G6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6CL.RNAL2" accession="ERX1661577" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661577</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6CL.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6CL.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6CL.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300528">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300528</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389079</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6CL.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAACAAAGAGCG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_F6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6CR.ETOH2" accession="ERX1661578" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661578</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6CR.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6CR.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6CR.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300529">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300529</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389080</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6CR.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCAAGATCAAGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_C8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6CR.RNAL2" accession="ERX1661579" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661579</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6CR.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6CR.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6CR.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300530">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300530</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389081</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6CR.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CACATTCTATAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_F3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6DI.ETOH2" accession="ERX1661580" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661580</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6DI.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6DI.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6DI.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300531">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300531</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389082</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6DI.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AAGATTTGCAGC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_A7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6DI.RNAL2" accession="ERX1661581" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661581</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6DI.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6DI.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6DI.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300532">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300532</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389083</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6DI.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGTTATTCTAGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_E3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6GH.ETOH1" accession="ERX1661582" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661582</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6GH.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6GH.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6GH.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300533">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300533</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389084</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6GH.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGTTCGGCATTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_H3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6GH.RNAL1" accession="ERX1661583" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661583</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6GH.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6GH.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6GH.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300534">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300534</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389085</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6GH.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CGGTAGTTGATC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_D3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6HA.ETOH2" accession="ERX1661584" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661584</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6HA.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6HA.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6HA.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300535">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300535</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389086</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6HA.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CATCCTGAGCAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_G5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6HA.RNAL2" accession="ERX1661585" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661585</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6HA.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6HA.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6HA.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300536">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300536</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389087</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6HA.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AATCTAACAATT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_G5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6HS.ETOH2" accession="ERX1661586" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661586</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6HS.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6HS.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6HS.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300537">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300537</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389088</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6HS.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATTAATGAAGCG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_B8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6HS.RNAL2" accession="ERX1661587" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661587</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6HS.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6HS.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6HS.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300538">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300538</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389089</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6HS.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTCACGCAATGC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_H5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6LI.ETOH1" accession="ERX1661588" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661588</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6LI.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6LI.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6LI.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300539">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300539</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389090</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6LI.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATAAAGAGGAGG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_F7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6LI.RNAL1" accession="ERX1661589" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661589</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6LI.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6LI.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6LI.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300540">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300540</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389091</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6LI.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTTTGATAATAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_H9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6UCM.ETOH1" accession="ERX1661590" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661590</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6UCM.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6UCM.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6UCM.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300541">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300541</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389092</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6UCM.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTAAATACCCTT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_B12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6UCM.ETOH2" accession="ERX1661591" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661591</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6UCM.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6UCM.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6UCM.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300542">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300542</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389093</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6UCM.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCATGTGAACGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_G7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6UCM.RNAL1" accession="ERX1661592" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661592</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6UCM.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6UCM.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6UCM.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300543">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300543</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389094</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6UCM.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CCACTCTCTCTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_E6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6UCM.RNAL2" accession="ERX1661593" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661593</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6UCM.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6UCM.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6UCM.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300544">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300544</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389095</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6UCM.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GGCCTATAAGTC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_C11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6UL.ETOH1" accession="ERX1661594" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661594</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6UL.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6UL.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6UL.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300545">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300545</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389096</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6UL.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCGTACGGGTGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_D6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6UL.RNAL1" accession="ERX1661595" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661595</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6UL.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6UL.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6UL.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300546">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300546</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389097</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6UL.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGACAGTAGGAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_G8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6YO.ETOH2" accession="ERX1661596" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661596</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6YO.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6YO.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6YO.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300547">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300547</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389098</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6YO.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AAGCGTACATTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_D7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.6YO.RNAL2" accession="ERX1661597" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661597</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.6YO.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.6YO.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.6YO.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300548">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300548</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389099</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.6YO.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CAGCTGGTTCAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_F9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7AG.ETOH1" accession="ERX1661598" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661598</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7AG.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7AG.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7AG.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300549">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300549</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389100</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7AG.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTCTATACATAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_G3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7AG.ETOH2" accession="ERX1661599" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661599</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7AG.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7AG.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7AG.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300550">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300550</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389101</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7AG.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GACCATGTAGTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_A2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7AG.RNAL1" accession="ERX1661600" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661600</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7AG.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7AG.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7AG.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300551">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300551</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389102</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7AG.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CCAGATATAGCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_D7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7AG.RNAL2" accession="ERX1661601" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661601</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7AG.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7AG.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7AG.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300552">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300552</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389103</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7AG.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TATCGTTATCGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_E7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7BG.ETOH1" accession="ERX1661602" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661602</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7BG.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7BG.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7BG.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300553">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300553</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389104</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7BG.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GGAGGGTACCGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_C7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7BG.ETOH2" accession="ERX1661603" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661603</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7BG.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7BG.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7BG.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300554">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300554</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389105</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7BG.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CCGAAACGGAGC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_D5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7BG.RNAL1" accession="ERX1661604" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661604</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7BG.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7BG.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7BG.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300555">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300555</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389106</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7BG.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGCCCGCAAAGG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_B11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7BG.RNAL2" accession="ERX1661605" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661605</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7BG.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7BG.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7BG.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300556">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300556</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389107</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7BG.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACGGCCCTGGAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_G10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7ED.ETOH1" accession="ERX1661606" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661606</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7ED.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7ED.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7ED.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300557">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300557</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389108</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7ED.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTCCTGTCCGGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_D11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7ED.RNAL1" accession="ERX1661607" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661607</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7ED.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7ED.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7ED.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300558">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300558</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389109</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7ED.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GATGCGCAGGAC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_H1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7ED.RNAL2" accession="ERX1661608" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661608</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7ED.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7ED.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7ED.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300559">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300559</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389110</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7ED.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATTCGGTAGTGC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_F7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7GA.ETOH1" accession="ERX1661609" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661609</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7GA.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7GA.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7GA.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300560">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300560</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389111</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7GA.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CCGAGTACAATC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_D9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D9</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7GA.ETOH2" accession="ERX1661610" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661610</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7GA.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7GA.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7GA.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300561">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300561</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389112</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7GA.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTCAGGAGACTT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_G4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7GA.RNAL1" accession="ERX1661611" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661611</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7GA.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7GA.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7GA.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300562">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300562</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389113</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7GA.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TTCAGCGATGGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_A8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7GA.RNAL2" accession="ERX1661612" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661612</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7GA.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7GA.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7GA.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300563">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300563</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389114</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7GA.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTCTATTCCACC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_C12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7KH.RNAL2" accession="ERX1661613" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661613</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7KH.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7KH.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7KH.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300564">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300564</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389115</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7KH.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCCGACCCGATC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_C1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7MY.ETOH1" accession="ERX1661614" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661614</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7MY.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7MY.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7MY.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300565">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300565</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389116</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7MY.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TACGTTTGGCGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_C11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C11</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7MY.ETOH2" accession="ERX1661615" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661615</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7MY.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7MY.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7MY.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300566">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300566</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389117</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7MY.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACGCTCCCATCG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_D4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7MY.RNAL1" accession="ERX1661616" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661616</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7MY.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7MY.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7MY.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300567">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300567</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389118</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7MY.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATGGATAGCTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_D12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7MY.RNAL2" accession="ERX1661617" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661617</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7MY.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7MY.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7MY.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300568">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300568</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389119</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7MY.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CGTGGTGGGAAC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_B8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7OLD.ETOH1" accession="ERX1661618" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661618</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7OLD.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7OLD.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7OLD.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300569">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300569</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389120</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7OLD.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TTACCACATCTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_F1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7OLD.RNAL1" accession="ERX1661619" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661619</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7OLD.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7OLD.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7OLD.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300570">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300570</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389121</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7OLD.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TGACGAGGGCTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_G7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7SD.ETOH1" accession="ERX1661620" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661620</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7SD.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7SD.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7SD.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300571">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300571</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389122</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7SD.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TATAGAAGAATG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_E3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7SD.ETOH2" accession="ERX1661621" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661621</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7SD.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7SD.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7SD.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300572">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300572</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389123</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7SD.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TTGGTGCCTGTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_H1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7SD.RNAL1" accession="ERX1661622" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661622</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7SD.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7SD.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7SD.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300573">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300573</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389124</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7SD.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTTGACCATCGC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_C7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7SD.RNAL2" accession="ERX1661623" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661623</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7SD.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7SD.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7SD.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300574">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300574</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389125</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7SD.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CAGGGTAGGGTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_C1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7VE.ETOH1" accession="ERX1661624" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661624</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7VE.ETOH1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7VE.ETOH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7VE.ETOH1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300575">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300575</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389126</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7VE.ETOH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CACTCTCCGGCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_B7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7VE.ETOH2" accession="ERX1661625" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661625</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7VE.ETOH2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7VE.ETOH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7VE.ETOH2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300576">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300576</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389127</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7VE.ETOH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTTGTATTATAC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_C12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C12</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7VE.RNAL1" accession="ERX1661626" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661626</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7VE.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7VE.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7VE.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300577">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300577</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389128</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7VE.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CAGTGTCATGAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_C6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.7VE.RNAL2" accession="ERX1661627" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661627</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.7VE.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.7VE.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.7VE.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300578">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300578</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389129</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.7VE.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CATAAATTCTTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_H10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.8BI.RNAL2" accession="ERX1661628" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661628</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.8BI.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.8BI.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.8BI.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300579">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300579</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389130</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.8BI.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTAACCTCATAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_A4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.8CI.RNAL2" accession="ERX1661629" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661629</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.8CI.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.8CI.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.8CI.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300580">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300580</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389131</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.8CI.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGCTTCGACAGT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_A5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.8GH.RNAL2" accession="ERX1661630" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661630</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.8GH.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.8GH.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.8GH.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300581">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300581</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389132</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.8GH.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TAGGAGAGACAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_E4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.8KL.RNAL2" accession="ERX1661631" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661631</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.8KL.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.8KL.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.8KL.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300582">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300582</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389133</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.8KL.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTGACCCTGTCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_C4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.8LI.RNAL2" accession="ERX1661632" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661632</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.8LI.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.8LI.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.8LI.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300583">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300583</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389134</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.8LI.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGCAACATTGCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_C5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.8PX.RNAL2" accession="ERX1661633" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661633</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.8PX.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.8PX.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.8PX.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300584">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300584</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389135</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.8PX.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACGCCGAGGTAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_H4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.8SS.RNAL2" accession="ERX1661634" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661634</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.8SS.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.8SS.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.8SS.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300585">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300585</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389136</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.8SS.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CTTCGGAGGGAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_B4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.8SY.RNAL1" accession="ERX1661635" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661635</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.8SY.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.8SY.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.8SY.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300586">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300586</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389137</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.8SY.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCGATGGCGATG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_E3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.8SY.RNAL2" accession="ERX1661636" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661636</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.8SY.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.8SY.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.8SY.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300587">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300587</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389138</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.8SY.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCTTCATTTCTG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_D5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.8UCA.RNAL1" accession="ERX1661637" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661637</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.8UCA.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.8UCA.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.8UCA.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300588">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300588</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389139</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.8UCA.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACCCGGATTTCG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_C3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.8UH.RNAL2" accession="ERX1661638" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661638</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.8UH.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.8UH.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.8UH.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300589">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300589</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389140</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.8UH.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GCCAAGGATAGG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_F5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.9AH.RNAL2" accession="ERX1661639" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661639</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.9AH.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.9AH.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.9AH.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300590">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300590</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389141</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.9AH.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TAAGAAACGTCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_B5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.9CH.RNAL3" accession="ERX1661640" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661640</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.9CH.RNAL3</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.9CH.RNAL3</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.9CH.RNAL3</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300591">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300591</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389142</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.9CH.RNAL3</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACCTATGGTGAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_G4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.9KD.RNAL2" accession="ERX1661641" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661641</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.9KD.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.9KD.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.9KD.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300592">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300592</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389143</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.9KD.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAGAATGGAAAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_D4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.9SH.RNAL3" accession="ERX1661642" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661642</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.9SH.RNAL3</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.9SH.RNAL3</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.9SH.RNAL3</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300593">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300593</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389144</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.9SH.RNAL3</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AAGCCTCTACGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_D3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.9SY.RNAL3" accession="ERX1661643" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661643</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.9SY.RNAL3</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.9SY.RNAL3</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.9SY.RNAL3</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300594">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300594</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389145</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.9SY.RNAL3</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGCACCGGTCTT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_H3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.9SY.RNAL4" accession="ERX1661644" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661644</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.9SY.RNAL4</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.9SY.RNAL4</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.9SY.RNAL4</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300595">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300595</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389146</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.9SY.RNAL4</LIBRARY_NAME>
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        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TTCCCACCCATT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_B2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.9UH.RNAL3" accession="ERX1661645" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661645</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.9UH.RNAL3</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.9UH.RNAL3</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.9UH.RNAL3</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300596">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300596</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389147</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.9UH.RNAL3</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCACTGCTAGGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_D1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.9UH.RNAL4" accession="ERX1661646" broker_name="">
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      <PRIMARY_ID>ERX1661646</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.9UH.RNAL4</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.9UH.RNAL4</SUBMITTER_ID>
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    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.9UH.RNAL4</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
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        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300597</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389148</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.9UH.RNAL4</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CATGATTAAGAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_G3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.9UL.RNAL2" accession="ERX1661647" broker_name="">
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      <PRIMARY_ID>ERX1661647</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.9UL.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.9UL.RNAL2</SUBMITTER_ID>
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    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.9UL.RNAL2</TITLE>
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        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
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    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300598">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300598</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389149</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.9UL.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>CAGTAGCGATAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_E5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E5</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.9UUH.RNAL1" accession="ERX1661648" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661648</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.9UUH.RNAL1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.9UUH.RNAL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.9UUH.RNAL1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300599">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300599</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389150</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.9UUH.RNAL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GGTGTGAGAAAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_F4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.9UUH.RNAL2" accession="ERX1661649" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661649</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.9UUH.RNAL2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.9UUH.RNAL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.9UUH.RNAL2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300600">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300600</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389151</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.9UUH.RNAL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TTATACGTTGTA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses1_Mongolia_Horses_F3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.unknown1" accession="ERX1661650" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661650</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.unknown1</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.unknown1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.unknown1</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300601">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300601</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389152</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.unknown1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGTAATAACAAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_C4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.unknown2" accession="ERX1661651" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661651</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.unknown2</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.unknown2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.unknown2</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300602">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300602</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389153</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.unknown2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TGGTTTCGAAGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_D4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Przw.unknown3" accession="ERX1661652" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661652</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Przw.unknown3</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Przw.unknown3</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Przw.unknown3</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300603">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300603</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389154</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Przw.unknown3</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTAGGTGCTTAC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_E4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.USA.DOM.Abby.2.15.ETOH" accession="ERX1661653" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661653</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.USA.DOM.Abby.2.15.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.USA.DOM.Abby.2.15.ETOH</SUBMITTER_ID>
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    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.USA.DOM.Abby.2.15.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
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        <PRIMARY_ID>ERP016897</PRIMARY_ID>
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    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
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        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300604</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389155</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.USA.DOM.Abby.2.15.ETOH</LIBRARY_NAME>
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        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
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          <SINGLE/>
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      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGTCTTAAAGGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
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      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_E6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.USA.DOM.Abby.2.15.RNAlater" accession="ERX1661654" broker_name="">
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      <PRIMARY_ID>ERX1661654</PRIMARY_ID>
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      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.USA.DOM.Abby.2.15.RNAlater</SUBMITTER_ID>
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    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.USA.DOM.Abby.2.15.RNAlater</TITLE>
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        <PRIMARY_ID>ERP016897</PRIMARY_ID>
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      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
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          <PRIMARY_ID>ERS1300605</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389156</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.USA.DOM.Abby.2.15.RNAlater</LIBRARY_NAME>
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        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
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        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
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      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TAATCATGTAAT</VALUE>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_F6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.USA.DOM.Amper.2.15.ETOH" accession="ERX1661655" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661655</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.USA.DOM.Amper.2.15.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.USA.DOM.Amper.2.15.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.USA.DOM.Amper.2.15.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300606">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300606</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389157</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.USA.DOM.Amper.2.15.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCAAGCAATACG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_A6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.USA.DOM.Amper.2.15.RNAlater" accession="ERX1661656" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661656</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.USA.DOM.Amper.2.15.RNAlater</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.USA.DOM.Amper.2.15.RNAlater</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.USA.DOM.Amper.2.15.RNAlater</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300607">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300607</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389158</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.USA.DOM.Amper.2.15.RNAlater</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ATACTGAGTGAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_B6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>B6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.USA.DOM.Cappi.2.15.ETOH" accession="ERX1661657" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661657</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.USA.DOM.Cappi.2.15.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.USA.DOM.Cappi.2.15.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.USA.DOM.Cappi.2.15.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300608">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300608</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389159</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.USA.DOM.Cappi.2.15.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTCTGACGGTCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_E7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>E7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.USA.DOM.Cappi.2.15.RNAlater" accession="ERX1661658" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661658</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.USA.DOM.Cappi.2.15.RNAlater</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.USA.DOM.Cappi.2.15.RNAlater</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.USA.DOM.Cappi.2.15.RNAlater</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
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      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
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        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300609</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389160</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.USA.DOM.Cappi.2.15.RNAlater</LIBRARY_NAME>
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          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
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    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GAGTTCCATTGG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
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        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
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        <TAG>linker</TAG>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_F7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.USA.DOM.Scout.2.15.ETOH" accession="ERX1661659" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661659</PRIMARY_ID>
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      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.USA.DOM.Scout.2.15.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.USA.DOM.Scout.2.15.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
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        <PRIMARY_ID>ERP016897</PRIMARY_ID>
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      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
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        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300610</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389161</EXTERNAL_ID>
        </IDENTIFIERS>
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      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.USA.DOM.Scout.2.15.ETOH</LIBRARY_NAME>
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          <SINGLE/>
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      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
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    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
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      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
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        <TAG>emp_status</TAG>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
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        <TAG>linker</TAG>
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        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
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        <TAG>primer_date</TAG>
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        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
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        <TAG>run_prefix</TAG>
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        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
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        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_A7</VALUE>
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        <VALUE>sequencing by synthesis</VALUE>
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        <TAG>target_subfragment</TAG>
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        <TAG>tm1000_8_tool</TAG>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
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      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
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      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
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  <EXPERIMENT alias="qiita_ptid_392:10171.USA.DOM.Scout.2.15.RNAlater" accession="ERX1661660" broker_name="">
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        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
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      </EXPERIMENT_ATTRIBUTE>
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        <TAG>mastermix_lot</TAG>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
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      </EXPERIMENT_ATTRIBUTE>
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      <EXPERIMENT_ATTRIBUTE>
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      <EXPERIMENT_ATTRIBUTE>
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        <VALUE>sequencing by synthesis</VALUE>
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      <EXPERIMENT_ATTRIBUTE>
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      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
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        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
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        <TAG>barcode</TAG>
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        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
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      <EXPERIMENT_ATTRIBUTE>
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      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_C6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.USA.DOM.Sunny.2.15.RNAlater" accession="ERX1661662" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661662</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.USA.DOM.Sunny.2.15.RNAlater</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.USA.DOM.Sunny.2.15.RNAlater</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.USA.DOM.Sunny.2.15.RNAlater</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300613">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300613</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389164</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.USA.DOM.Sunny.2.15.RNAlater</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCTCCTAGGCGC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_D6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.USA.DOM.Tucker.2.15.ETOH" accession="ERX1661663" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661663</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.USA.DOM.Tucker.2.15.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.USA.DOM.Tucker.2.15.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.USA.DOM.Tucker.2.15.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300614">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300614</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389165</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.USA.DOM.Tucker.2.15.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GACGTCCCTCCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_C7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>C7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.USA.DOM.Tucker.2.15.RNAlater" accession="ERX1661664" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661664</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.USA.DOM.Tucker.2.15.RNAlater</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.USA.DOM.Tucker.2.15.RNAlater</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.USA.DOM.Tucker.2.15.RNAlater</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300615">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300615</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389166</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.USA.DOM.Tucker.2.15.RNAlater</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GTTTGCTCGAGA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_D7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.USA.DOM.Velvet.2.15.ETOH" accession="ERX1661665" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661665</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.USA.DOM.Velvet.2.15.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.USA.DOM.Velvet.2.15.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.USA.DOM.Velvet.2.15.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300616">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300616</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389167</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.USA.DOM.Velvet.2.15.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TAGGCGGTAGGC</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_G6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>G6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.USA.DOM.Velvet.2.15.RNAlater" accession="ERX1661666" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661666</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.USA.DOM.Velvet.2.15.RNAlater</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.USA.DOM.Velvet.2.15.RNAlater</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.USA.DOM.Velvet.2.15.RNAlater</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300617">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300617</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389168</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.USA.DOM.Velvet.2.15.RNAlater</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>TCATTCCACTCA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>7</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses2</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses2_Mongolia_Horses_H6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>H6</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Unknown1.ETOH" accession="ERX1661667" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661667</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Unknown1.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Unknown1.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Unknown1.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300618">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300618</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389169</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Unknown1.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>ACGACCTACGCT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_A10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>A10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Unknown2.ETOH" accession="ERX1661668" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661668</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Unknown2.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Unknown2.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Unknown2.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300619">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300619</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389170</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Unknown2.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>AGTTTGCGAGAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_F8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>F8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
  <EXPERIMENT alias="qiita_ptid_392:10171.Unknown3.ETOH" accession="ERX1661669" broker_name="">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX1661669</PRIMARY_ID>
      <SUBMITTER_ID namespace="UCSDMI">qiita_ptid_392:10171.Unknown3.ETOH</SUBMITTER_ID>
      <SUBMITTER_ID namespace="University of California San Diego Microbiome Initiative">qiita_ptid_392:10171.Unknown3.ETOH</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Illumina HiSeq 2500 sequencing; qiita_ptid_392:10171.Unknown3.ETOH</TITLE>
    <STUDY_REF accession="ERP016897">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP016897</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>16S of undomesticated and domestic horse fecal samples</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS1300620">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS1300620</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMEA4389171</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>10171.Unknown3.ETOH</LIBRARY_NAME>
        <LIBRARY_STRATEGY>OTHER</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Illumina HiSeq16s V4</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina HiSeq 2500</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <EXPERIMENT_ATTRIBUTES>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>barcode</TAG>
        <VALUE>GGTCTCCTACAG</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_name</TAG>
        <VALUE>University of California San Diego Microbiome Initiative</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>center_project_name</TAG>
        <VALUE>Mongolia horses</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>emp_status</TAG>
        <VALUE>EMP</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>experiment_title</TAG>
        <VALUE>Characterizing the gut microbiome of the last population of undomesticated horses living in the wild, the Przewalski horse</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extraction_robot</TAG>
        <VALUE>HOWE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>extractionkit_lot</TAG>
        <VALUE>PS14H8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>linker</TAG>
        <VALUE>GT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>mastermix_lot</TAG>
        <VALUE>148025847</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>pcr_primers</TAG>
        <VALUE>FWD:GTGCCAGCMGCCGCGGTAA; REV:GGACTACHVGGGTWTCTAAT</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>plating</TAG>
        <VALUE>HA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer</TAG>
        <VALUE>GTGCCAGCMGCCGCGGTAA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_date</TAG>
        <VALUE>2/11/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>primer_plate</TAG>
        <VALUE>8</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>processing_robot</TAG>
        <VALUE>ROBE</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_date</TAG>
        <VALUE>5/8/15</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>run_prefix</TAG>
        <VALUE>lane2_Undetermined_L002_R1</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>.1,g</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_center</TAG>
        <VALUE>CU_Boulder</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_plate</TAG>
        <VALUE>Mongolia_Horses3</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sample_well_designation</TAG>
        <VALUE>Mongolia_Horses3_Mongolia_Horses_D10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>sequencing_meth</TAG>
        <VALUE>sequencing by synthesis</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>study_center</TAG>
        <VALUE>UCSDMI</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_gene</TAG>
        <VALUE>16S rRNA</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>target_subfragment</TAG>
        <VALUE>V4</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm1000_8_tool</TAG>
        <VALUE>108379Z</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm300_8_tool</TAG>
        <VALUE>311313B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>tm50_8_tool</TAG>
        <VALUE>111075B</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>water_lot</TAG>
        <VALUE>RNDB2494</VALUE>
      </EXPERIMENT_ATTRIBUTE>
      <EXPERIMENT_ATTRIBUTE>
        <TAG>well_id</TAG>
        <VALUE>D10</VALUE>
      </EXPERIMENT_ATTRIBUTE>
    </EXPERIMENT_ATTRIBUTES>
  </EXPERIMENT>
</EXPERIMENT_SET>
