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    <TITLE/>
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      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
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    </STUDY_REF>
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      <DESIGN_DESCRIPTION>Illumina sequencing of library 60232, constructed from sample accession ERS003832 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3002_1).  This submission includes reads tagged with the sequence CGATGT.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003832" refname="Clostridium_difficile_strain_BI_3-sc-2010-05-07-354" refcenter="SC">
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          <PRIMARY_ID>ERS003832</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_3-sc-2010-05-07-354</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60232</LIBRARY_NAME>
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        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
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      <PRIMARY_ID>ERX022798</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3002_1#3</SUBMITTER_ID>
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    <TITLE/>
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      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
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    </STUDY_REF>
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      <DESIGN_DESCRIPTION>Illumina sequencing of library 60234, constructed from sample accession ERS003833 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3002_1).  This submission includes reads tagged with the sequence TTAGGC.</DESIGN_DESCRIPTION>
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        <IDENTIFIERS>
          <PRIMARY_ID>ERS003833</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_6-sc-2010-05-07-355</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60234</LIBRARY_NAME>
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        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
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      <PRIMARY_ID>ERX022799</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3002_1#4</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60236, constructed from sample accession ERS003834 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3002_1).  This submission includes reads tagged with the sequence TGACCA.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003834" refname="Clostridium_difficile_strain_BI_8-sc-2010-05-07-356" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003834</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_8-sc-2010-05-07-356</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60236</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
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            <READ_TYPE>BarCode</READ_TYPE>
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          <READ_SPEC>
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      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
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    <IDENTIFIERS>
      <PRIMARY_ID>ERX022800</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3002_1#6</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60238, constructed from sample accession ERS003835 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3002_1).  This submission includes reads tagged with the sequence GCCAAT.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003835" refname="Clostridium_difficile_strain_BI_15-sc-2010-05-07-357" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003835</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_15-sc-2010-05-07-357</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60238</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="244" NOMINAL_SDEV="53"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
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      <SPOT_DESCRIPTOR>
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          <SPOT_LENGTH>61</SPOT_LENGTH>
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          <READ_SPEC>
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              <BASECALL read_group_tag="6" min_match="5" max_mismatch="1" match_edge="end">GCCAAT</BASECALL>
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          <READ_SPEC>
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            <READ_CLASS>Application Read</READ_CLASS>
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            <BASE_COORD>62</BASE_COORD>
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      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
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    <PROCESSING/>
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    <IDENTIFIERS>
      <PRIMARY_ID>ERX022801</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3002_1#7</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60242, constructed from sample accession ERS003837 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3002_1).  This submission includes reads tagged with the sequence CAGATC.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003837" refname="Clostridium_difficile_strain_BI_1-sc-2010-05-07-359" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003837</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_1-sc-2010-05-07-359</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60242</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
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        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="244" NOMINAL_SDEV="53"/>
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        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
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      <SPOT_DESCRIPTOR>
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          <READ_SPEC>
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            <READ_TYPE>BarCode</READ_TYPE>
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              <BASECALL read_group_tag="7" min_match="5" max_mismatch="1" match_edge="end">CAGATC</BASECALL>
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          <READ_SPEC>
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            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
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      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
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    <IDENTIFIERS>
      <PRIMARY_ID>ERX022802</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3002_1#11</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60240, constructed from sample accession ERS003836 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3002_1).  This submission includes reads tagged with the sequence GGCTAC.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003836" refname="Clostridium_difficile_strain_BI_13-sc-2010-05-07-358" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003836</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_13-sc-2010-05-07-358</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60240</LIBRARY_NAME>
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      <SPOT_DESCRIPTOR>
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          <READ_SPEC>
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            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
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              <BASECALL read_group_tag="11" min_match="5" max_mismatch="1" match_edge="end">GGCTAC</BASECALL>
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          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
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      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
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    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3002_2#1" center_name="SC" accession="ERX022803">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022803</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3002_2#1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60244, constructed from sample accession ERS003826 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3002_2).  This submission includes reads tagged with the sequence ATCACG.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003826" refname="Clostridium_difficile_strain_BI_2-sc-2010-05-07-348" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003826</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_2-sc-2010-05-07-348</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60244</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="246" NOMINAL_SDEV="52"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
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      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
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            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="1" min_match="5" max_mismatch="1" match_edge="end">ATCACG</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
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      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3002_2#5" center_name="SC" accession="ERX022804">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022804</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3002_2#5</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60252, constructed from sample accession ERS003830 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3002_2).  This submission includes reads tagged with the sequence ACAGTG.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003830" refname="Clostridium_difficile_strain_BI_7-sc-2010-05-07-352" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003830</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_7-sc-2010-05-07-352</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60252</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="246" NOMINAL_SDEV="52"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="5" min_match="5" max_mismatch="1" match_edge="end">ACAGTG</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3002_2#8" center_name="SC" accession="ERX022805">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022805</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3002_2#8</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60246, constructed from sample accession ERS003827 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3002_2).  This submission includes reads tagged with the sequence ACTTGA.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003827" refname="Clostridium_difficile_strain_BI_4-sc-2010-05-07-349" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003827</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_4-sc-2010-05-07-349</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60246</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="246" NOMINAL_SDEV="52"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="8" min_match="5" max_mismatch="1" match_edge="end">ACTTGA</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3002_2#9" center_name="SC" accession="ERX022806">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022806</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3002_2#9</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60248, constructed from sample accession ERS003828 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3002_2).  This submission includes reads tagged with the sequence GATCAG.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003828" refname="Clostridium_difficile_strain_BI_5-sc-2010-05-07-350" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003828</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_5-sc-2010-05-07-350</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60248</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="246" NOMINAL_SDEV="52"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="9" min_match="5" max_mismatch="1" match_edge="end">GATCAG</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3002_2#10" center_name="SC" accession="ERX022807">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022807</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3002_2#10</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60250, constructed from sample accession ERS003829 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3002_2).  This submission includes reads tagged with the sequence TAGCTT.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003829" refname="Clostridium_difficile_strain_BI_6p-sc-2010-05-07-351" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003829</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_6p-sc-2010-05-07-351</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60250</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="246" NOMINAL_SDEV="52"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="10" min_match="5" max_mismatch="1" match_edge="end">TAGCTT</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3002_2#12" center_name="SC" accession="ERX022808">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022808</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3002_2#12</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60254, constructed from sample accession ERS003831 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3002_2).  This submission includes reads tagged with the sequence CTTGTA.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003831" refname="Clostridium_difficile_strain_BI_11-sc-2010-05-07-353" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003831</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_11-sc-2010-05-07-353</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60254</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="246" NOMINAL_SDEV="52"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="12" min_match="5" max_mismatch="1" match_edge="end">CTTGTA</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3479_2#2" center_name="SC" accession="ERX022809">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022809</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3479_2#2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60232, constructed from sample accession ERS003832 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3479_2).  This submission includes reads tagged with the sequence CGATGT.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003832" refname="Clostridium_difficile_strain_BI_3-sc-2010-05-07-354" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003832</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_3-sc-2010-05-07-354</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60232</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="245" NOMINAL_SDEV="51"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="2" min_match="5" max_mismatch="1" match_edge="end">CGATGT</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3479_2#3" center_name="SC" accession="ERX022810">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022810</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3479_2#3</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60234, constructed from sample accession ERS003833 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3479_2).  This submission includes reads tagged with the sequence TTAGGC.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003833" refname="Clostridium_difficile_strain_BI_6-sc-2010-05-07-355" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003833</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_6-sc-2010-05-07-355</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60234</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="245" NOMINAL_SDEV="51"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="3" min_match="5" max_mismatch="1" match_edge="end">TTAGGC</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3479_2#4" center_name="SC" accession="ERX022811">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022811</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3479_2#4</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60236, constructed from sample accession ERS003834 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3479_2).  This submission includes reads tagged with the sequence TGACCA.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003834" refname="Clostridium_difficile_strain_BI_8-sc-2010-05-07-356" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003834</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_8-sc-2010-05-07-356</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60236</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="245" NOMINAL_SDEV="51"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="4" min_match="5" max_mismatch="1" match_edge="end">TGACCA</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3479_2#6" center_name="SC" accession="ERX022812">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022812</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3479_2#6</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60238, constructed from sample accession ERS003835 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3479_2).  This submission includes reads tagged with the sequence GCCAAT.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003835" refname="Clostridium_difficile_strain_BI_15-sc-2010-05-07-357" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003835</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_15-sc-2010-05-07-357</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60238</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="245" NOMINAL_SDEV="51"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="6" min_match="5" max_mismatch="1" match_edge="end">GCCAAT</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3479_2#7" center_name="SC" accession="ERX022813">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022813</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3479_2#7</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60242, constructed from sample accession ERS003837 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3479_2).  This submission includes reads tagged with the sequence CAGATC.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003837" refname="Clostridium_difficile_strain_BI_1-sc-2010-05-07-359" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003837</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_1-sc-2010-05-07-359</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60242</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="245" NOMINAL_SDEV="51"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="7" min_match="5" max_mismatch="1" match_edge="end">CAGATC</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3479_2#11" center_name="SC" accession="ERX022814">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022814</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3479_2#11</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60240, constructed from sample accession ERS003836 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3479_2).  This submission includes reads tagged with the sequence GGCTAC.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003836" refname="Clostridium_difficile_strain_BI_13-sc-2010-05-07-358" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003836</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_13-sc-2010-05-07-358</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60240</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="245" NOMINAL_SDEV="51"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="11" min_match="5" max_mismatch="1" match_edge="end">GGCTAC</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3479_3#1" center_name="SC" accession="ERX022815">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022815</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3479_3#1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60244, constructed from sample accession ERS003826 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3479_3).  This submission includes reads tagged with the sequence ATCACG.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003826" refname="Clostridium_difficile_strain_BI_2-sc-2010-05-07-348" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003826</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_2-sc-2010-05-07-348</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60244</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="248" NOMINAL_SDEV="50"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="1" min_match="5" max_mismatch="1" match_edge="end">ATCACG</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3479_3#5" center_name="SC" accession="ERX022816">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022816</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3479_3#5</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60252, constructed from sample accession ERS003830 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3479_3).  This submission includes reads tagged with the sequence ACAGTG.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003830" refname="Clostridium_difficile_strain_BI_7-sc-2010-05-07-352" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003830</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_7-sc-2010-05-07-352</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60252</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="248" NOMINAL_SDEV="50"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="5" min_match="5" max_mismatch="1" match_edge="end">ACAGTG</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3479_3#8" center_name="SC" accession="ERX022817">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022817</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3479_3#8</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60246, constructed from sample accession ERS003827 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3479_3).  This submission includes reads tagged with the sequence ACTTGA.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003827" refname="Clostridium_difficile_strain_BI_4-sc-2010-05-07-349" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003827</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_4-sc-2010-05-07-349</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60246</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="248" NOMINAL_SDEV="50"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="8" min_match="5" max_mismatch="1" match_edge="end">ACTTGA</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3479_3#9" center_name="SC" accession="ERX022818">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022818</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3479_3#9</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60248, constructed from sample accession ERS003828 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3479_3).  This submission includes reads tagged with the sequence GATCAG.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003828" refname="Clostridium_difficile_strain_BI_5-sc-2010-05-07-350" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003828</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_5-sc-2010-05-07-350</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60248</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="248" NOMINAL_SDEV="50"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="9" min_match="5" max_mismatch="1" match_edge="end">GATCAG</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3479_3#10" center_name="SC" accession="ERX022819">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022819</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3479_3#10</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60250, constructed from sample accession ERS003829 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3479_3).  This submission includes reads tagged with the sequence TAGCTT.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003829" refname="Clostridium_difficile_strain_BI_6p-sc-2010-05-07-351" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003829</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_6p-sc-2010-05-07-351</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60250</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="248" NOMINAL_SDEV="50"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="10" min_match="5" max_mismatch="1" match_edge="end">TAGCTT</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SC_EXP_3479_3#12" center_name="SC" accession="ERX022820">
    <IDENTIFIERS>
      <PRIMARY_ID>ERX022820</PRIMARY_ID>
      <SUBMITTER_ID namespace="SC">SC_EXP_3479_3#12</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE/>
    <STUDY_REF accession="ERP000093" refname="Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates" refcenter="SC">
      <IDENTIFIERS>
        <PRIMARY_ID>ERP000093</PRIMARY_ID>
        <SUBMITTER_ID namespace="SC">Microevolution of hypervirulent clade and ribotype 027 C. difficile isolates</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Illumina sequencing of library 60254, constructed from sample accession ERS003831 for study accession ERP000093.  This is part of an Illumina multiplexed sequencing run (3479_3).  This submission includes reads tagged with the sequence CTTGTA.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="ERS003831" refname="Clostridium_difficile_strain_BI_11-sc-2010-05-07-353" refcenter="SC">
        <IDENTIFIERS>
          <PRIMARY_ID>ERS003831</PRIMARY_ID>
          <SUBMITTER_ID namespace="SC">Clostridium_difficile_strain_BI_11-sc-2010-05-07-353</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>60254</LIBRARY_NAME>
        <LIBRARY_STRATEGY>WGS</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>GENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>RANDOM</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED NOMINAL_LENGTH="248" NOMINAL_SDEV="50"/>
        </LIBRARY_LAYOUT>
        <LIBRARY_CONSTRUCTION_PROTOCOL>Standard</LIBRARY_CONSTRUCTION_PROTOCOL>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>61</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_LABEL>barcode_tag</READ_LABEL>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>BarCode</READ_TYPE>
            <EXPECTED_BASECALL_TABLE>
              <BASECALL read_group_tag="12" min_match="5" max_mismatch="1" match_edge="end">CTTGTA</BASECALL>
            </EXPECTED_BASECALL_TABLE>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>2</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Reverse</READ_TYPE>
            <BASE_COORD>62</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina Genome Analyzer II</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
</EXPERIMENT_SET>
