<?xml version="1.0" encoding="UTF-8"?>
<EXPERIMENT_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <EXPERIMENT accession="SRX18635775" alias="AA1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635775</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AA1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081964">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081964</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120500</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AA1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635776" alias="AB1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635776</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AB1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081965">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081965</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120501</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AB1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635777" alias="AK1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635777</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AK1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081966">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081966</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120510</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AK1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635778" alias="DS1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635778</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DS1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081967">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081967</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120600</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DS1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635779" alias="DT1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635779</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DT1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081968">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081968</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120601</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DT1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635780" alias="AU1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635780</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AU1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081969">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081969</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120520</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AU1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635781" alias="DF2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635781</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DF2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081970">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081970</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120700</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DF2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635782" alias="DG2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635782</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DG2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081971">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081971</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120701</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DG2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635783" alias="DH2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635783</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081972">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081972</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120702</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635784" alias="DI2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635784</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DI2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081973">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081973</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120703</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DI2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635785" alias="DJ2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635785</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DJ2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081974">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081974</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120704</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DJ2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635786" alias="DK2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635786</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DK2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081975">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081975</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120705</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DK2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635787" alias="DL2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635787</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081976">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081976</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120706</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635788" alias="DM2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635788</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DM2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081977">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081977</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120707</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DM2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635789" alias="DN2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635789</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DN2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081978">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081978</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120708</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DN2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635790" alias="DO2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635790</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DO2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081979">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081979</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120709</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DO2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635791" alias="AV1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635791</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AV1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081980">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081980</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120521</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AV1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635792" alias="DQ2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635792</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DQ2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081981">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081981</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120710</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DQ2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635793" alias="DR2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635793</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DR2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081982">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081982</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120711</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DR2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635794" alias="DS2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635794</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DS2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081983">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081983</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120712</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DS2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635795" alias="DT2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635795</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DT2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081984">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081984</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120713</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DT2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635796" alias="DU2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635796</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DU2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081985">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081985</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120714</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DU2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635797" alias="DV2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635797</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DV2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081986">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081986</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120715</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DV2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635798" alias="DW2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635798</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DW2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081987">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081987</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120716</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DW2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635799" alias="DX2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635799</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DX2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081988">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081988</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120717</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DX2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635800" alias="DY2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635800</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DY2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081989">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081989</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120718</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DY2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635801" alias="DZ2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635801</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DZ2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081990">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081990</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120719</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DZ2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635802" alias="AW1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635802</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AW1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081991">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081991</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120522</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AW1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635803" alias="DAA2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635803</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DAA2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081992">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081992</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120720</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DAA2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635804" alias="DAB2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635804</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DAB2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081993">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081993</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120721</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DAB2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635805" alias="DAC2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635805</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DAC2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081994">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081994</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120722</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DAC2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635806" alias="DAD2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635806</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DAD2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081995">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081995</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120723</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DAD2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635807" alias="AX1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635807</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AX1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081996">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081996</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120523</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AX1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635808" alias="AY1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635808</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AY1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081997">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081997</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120524</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AY1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635809" alias="AZ1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635809</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AZ1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081998">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081998</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120525</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AZ1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635810" alias="AAA1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635810</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AAA1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16081999">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16081999</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120526</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AAA1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635811" alias="AAB1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635811</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AAB1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082000">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082000</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120527</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AAB1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635812" alias="AAC1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635812</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AAC1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082001">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082001</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120528</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AAC1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635813" alias="AAD1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635813</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AAD1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082002">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082002</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120529</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AAD1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635814" alias="AD1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635814</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AD1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082003">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082003</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120503</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AD1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635815" alias="AAE1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635815</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AAE1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082004">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082004</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120530</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AAE1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635816" alias="DU1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635816</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DU1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082005">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082005</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120602</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DU1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635817" alias="DV1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635817</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DV1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082006">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082006</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120603</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DV1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635818" alias="DW1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635818</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DW1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082007">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082007</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120604</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DW1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635819" alias="DX1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635819</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DX1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082008">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082008</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120605</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DX1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635820" alias="DY1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635820</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DY1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082009">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082009</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120606</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DY1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635821" alias="DZ1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635821</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DZ1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082010">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082010</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120607</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DZ1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635822" alias="DAA1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635822</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DAA1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082011">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082011</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120608</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DAA1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635823" alias="DAB1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635823</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DAB1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082012">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082012</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120609</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DAB1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635824" alias="AL1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635824</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082013">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082013</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120511</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635825" alias="DAC1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635825</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DAC1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082014">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082014</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120610</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DAC1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635826" alias="DAD1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635826</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DAD1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082015">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082015</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120611</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DAD1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635827" alias="AA2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635827</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AA2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082016">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082016</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120612</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AA2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635828" alias="AB2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635828</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AB2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082017">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082017</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120613</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AB2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635829" alias="AC2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635829</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AC2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082018">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082018</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120614</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AC2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635830" alias="AD2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635830</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AD2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082019">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082019</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120615</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AD2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635831" alias="AE2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635831</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AE2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082020">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082020</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120616</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AE2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635832" alias="AF2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635832</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AF2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082021">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082021</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120617</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AF2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635833" alias="AG2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635833</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AG2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082022">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082022</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120618</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AG2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635834" alias="AH2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635834</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082023">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082023</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120619</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635835" alias="AM1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635835</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AM1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082024">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082024</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120512</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AM1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635836" alias="AI2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635836</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AI2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082025">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082025</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120620</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AI2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635837" alias="AJ2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635837</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AJ2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082026">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082026</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120621</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AJ2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635838" alias="AK2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635838</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AK2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082027">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082027</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120622</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AK2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635839" alias="AL2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635839</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082028">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082028</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120623</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635840" alias="AM2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635840</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AM2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082029">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082029</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120624</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AM2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635841" alias="AN2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635841</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AN2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082030">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082030</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120625</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AN2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635842" alias="AO2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635842</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AO2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082031">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082031</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120626</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AO2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635843" alias="AP2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635843</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AP2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082032">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082032</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120627</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AP2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635844" alias="AQ2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635844</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AQ2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082033">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082033</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120628</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AQ2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635845" alias="AR2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635845</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AR2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082034">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082034</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120629</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AR2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635846" alias="AN1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635846</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AN1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082035">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082035</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120513</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AN1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635847" alias="AS2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635847</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AS2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082036">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082036</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120630</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AS2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635848" alias="AT2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635848</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AT2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082037">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082037</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120631</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AT2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635849" alias="AU2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635849</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AU2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082038">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082038</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120632</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AU2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635850" alias="AV2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635850</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AV2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082039">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082039</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120633</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AV2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635851" alias="AW2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635851</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AW2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082040">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082040</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120634</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AW2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635852" alias="BA1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635852</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BA1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082041">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082041</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120531</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BA1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635853" alias="BB1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635853</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BB1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082042">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082042</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120532</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BB1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635854" alias="BC1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635854</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BC1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082043">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082043</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120533</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BC1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635855" alias="BD1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635855</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BD1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082044">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082044</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120534</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BD1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635856" alias="BE1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635856</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BE1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082045">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082045</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120535</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BE1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635857" alias="BF1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635857</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BF1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082046">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082046</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120536</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BF1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635858" alias="BG1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635858</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BG1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082047">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082047</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120537</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BG1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635859" alias="BH1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635859</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082048">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082048</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120538</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635860" alias="BI1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635860</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BI1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082049">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082049</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120539</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BI1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635861" alias="AE1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635861</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AE1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082050">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082050</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120504</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AE1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635862" alias="BJ1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635862</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BJ1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082051">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082051</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120540</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BJ1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635863" alias="BK1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635863</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BK1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082052">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082052</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120541</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BK1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635864" alias="BL1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635864</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082053">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082053</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120542</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635865" alias="BM1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635865</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BM1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082054">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082054</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120543</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BM1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635866" alias="BN1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635866</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BN1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082055">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082055</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120544</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BN1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635867" alias="BO1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635867</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BO1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082056">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082056</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120545</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BO1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635868" alias="BP1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635868</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BP1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082057">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082057</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120546</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BP1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635869" alias="BQ1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635869</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BQ1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082058">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082058</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120547</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BQ1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635870" alias="BR1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635870</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BR1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082059">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082059</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120548</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BR1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635871" alias="BS1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635871</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BS1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082060">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082060</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120549</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BS1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635872" alias="AF1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635872</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AF1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082061">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082061</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120505</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AF1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635873" alias="BT1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635873</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BT1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082062">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082062</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120550</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BT1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635874" alias="BU1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635874</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BU1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082063">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082063</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120551</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BU1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635875" alias="BV1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635875</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BV1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082064">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082064</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120552</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BV1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635876" alias="BW1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635876</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BW1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082065">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082065</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120553</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BW1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635877" alias="BX1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635877</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BX1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082066">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082066</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120554</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BX1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635878" alias="CA1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635878</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CA1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082067">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082067</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120555</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CA1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635879" alias="CB1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635879</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CB1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082068">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082068</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120556</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CB1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635880" alias="CC1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635880</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CC1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082069">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082069</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120557</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CC1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635881" alias="CD1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635881</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CD1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082070">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082070</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120558</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CD1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635882" alias="CE1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635882</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CE1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082071">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082071</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120559</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CE1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635883" alias="AG1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635883</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AG1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082072">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082072</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120506</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AG1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635884" alias="CF1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635884</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CF1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082073">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082073</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120560</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CF1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635885" alias="CG1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635885</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CG1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082074">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082074</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120561</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CG1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635886" alias="CH1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635886</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082075">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082075</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120562</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635887" alias="CI1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635887</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CI1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082076">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082076</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120563</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CI1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635888" alias="DO1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635888</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DO1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082077">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082077</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120597</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DO1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635889" alias="DQ1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635889</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DQ1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082078">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082078</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120598</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DQ1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635890" alias="DR1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635890</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DR1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082079">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082079</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120599</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DR1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635891" alias="AX2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635891</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AX2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082080">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082080</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120635</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AX2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635892" alias="AY2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635892</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AY2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082081">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082081</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120636</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AY2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635893" alias="AZ2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635893</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AZ2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082082">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082082</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120637</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AZ2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635894" alias="AAA2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635894</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AAA2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082083">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082083</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120638</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AAA2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635895" alias="AAB2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635895</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AAB2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082084">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082084</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120639</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AAB2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635896" alias="AO1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635896</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AO1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082085">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082085</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120514</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AO1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635897" alias="AAC2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635897</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AAC2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082086">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082086</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120640</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AAC2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635898" alias="AAD2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635898</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AAD2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082087">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082087</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120641</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AAD2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635899" alias="AAE2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635899</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AAE2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082088">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082088</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120642</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AAE2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635900" alias="BA2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635900</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BA2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082089">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082089</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120643</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BA2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635901" alias="BB2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635901</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BB2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082090">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082090</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120644</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BB2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635902" alias="BC2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635902</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BC2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082091">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082091</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120645</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BC2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635903" alias="BD2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635903</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BD2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082092">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082092</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120646</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BD2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635904" alias="BE2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635904</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BE2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082093">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082093</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120647</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BE2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635905" alias="BF2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635905</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BF2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082094">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082094</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120648</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BF2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635906" alias="BG2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635906</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BG2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082095">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082095</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120649</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BG2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635907" alias="AP1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635907</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AP1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082096">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082096</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120515</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AP1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635908" alias="BH2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635908</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082097">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082097</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120650</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635909" alias="BI2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635909</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BI2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082098">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082098</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120651</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BI2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635910" alias="BJ2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635910</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BJ2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082099">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082099</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120652</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BJ2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635911" alias="BK2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635911</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BK2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082100">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082100</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120653</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BK2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635912" alias="BL2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635912</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082101">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082101</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120654</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635913" alias="BM2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635913</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BM2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082102">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082102</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120655</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BM2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635914" alias="BN2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635914</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BN2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082103">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082103</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120656</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BN2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635915" alias="BO2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635915</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BO2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082104">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082104</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120657</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BO2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635916" alias="BP2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635916</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BP2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082105">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082105</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120658</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BP2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635917" alias="BQ2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635917</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BQ2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082106">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082106</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120659</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BQ2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635918" alias="AQ1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635918</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AQ1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082107">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082107</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120516</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AQ1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635919" alias="BR2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635919</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BR2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082108">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082108</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120660</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BR2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635920" alias="BS2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635920</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BS2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082109">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082109</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120661</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BS2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635921" alias="BT2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635921</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BT2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082110">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082110</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120662</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BT2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635922" alias="BU2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635922</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BU2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082112">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082112</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120663</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BU2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635923" alias="BV2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635923</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BV2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082111">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082111</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120664</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BV2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635924" alias="BW2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635924</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BW2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082113">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082113</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120665</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BW2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635925" alias="BX2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635925</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">BX2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082114">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082114</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120666</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BX2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635926" alias="CA2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635926</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CA2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082115">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082115</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120667</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CA2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635927" alias="CJ1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635927</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CJ1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082116">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082116</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120564</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CJ1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635928" alias="CK1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635928</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CK1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082117">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082117</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120565</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CK1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635929" alias="CL1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635929</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082118">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082118</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120566</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635930" alias="CM1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635930</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CM1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082119">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082119</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120567</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CM1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635931" alias="CN1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635931</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CN1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082120">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082120</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120568</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CN1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635932" alias="CO1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635932</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CO1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082121">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082121</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120569</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CO1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635933" alias="AH1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635933</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082122">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082122</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120507</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635934" alias="CP1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635934</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CP1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082123">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082123</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120570</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CP1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635935" alias="CQ1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635935</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CQ1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082124">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082124</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120571</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CQ1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635936" alias="CR1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635936</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CR1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082125">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082125</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120572</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CR1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635937" alias="CS1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635937</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CS1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082126">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082126</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120573</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CS1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635938" alias="CT1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635938</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CT1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082127">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082127</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120574</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CT1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635939" alias="CU1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635939</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CU1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082128">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082128</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120575</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CU1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635940" alias="CV1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635940</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CV1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082129">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082129</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120576</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CV1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635941" alias="CW1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635941</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CW1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082130">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082130</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120577</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CW1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635942" alias="CX1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635942</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CX1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082131">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082131</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120578</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CX1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635943" alias="CY1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635943</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CY1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082132">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082132</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120579</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CY1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635944" alias="AI1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635944</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AI1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082133">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082133</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120508</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AI1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635945" alias="CZ1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635945</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CZ1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082134">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082134</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120580</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CZ1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635946" alias="CAA1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635946</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CAA1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082135">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082135</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120581</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CAA1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635947" alias="CAB1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635947</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CAB1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082136">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082136</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120582</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CAB1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635948" alias="DA1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635948</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DA1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082137">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082137</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120583</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DA1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635949" alias="DB1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635949</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DB1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082138">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082138</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120584</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DB1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635950" alias="DC1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635950</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DC1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082140">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082140</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120585</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DC1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635951" alias="DD1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635951</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DD1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082139">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082139</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120586</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DD1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635952" alias="DE1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635952</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DE1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082142">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082142</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120587</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DE1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635953" alias="DF1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635953</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DF1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082141">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082141</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120588</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DF1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635954" alias="DG1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635954</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DG1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082143">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082143</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120589</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DG1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635955" alias="AJ1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635955</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AJ1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082144">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082144</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120509</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AJ1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635956" alias="DH1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635956</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DH1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082145">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082145</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120590</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DH1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635957" alias="DI1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635957</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DI1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082146">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082146</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120591</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DI1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635958" alias="DJ1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635958</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DJ1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082148">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082148</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120592</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DJ1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635959" alias="DK1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635959</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DK1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082147">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082147</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120593</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DK1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635960" alias="DL1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635960</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DL1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082149">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082149</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120594</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DL1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635961" alias="DM1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635961</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DM1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082150">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082150</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120595</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DM1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635962" alias="DN1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635962</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DN1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082151">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082151</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120596</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DN1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635963" alias="CB2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635963</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CB2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082152">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082152</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120668</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CB2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635964" alias="CC2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635964</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CC2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082153">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082153</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120669</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CC2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635965" alias="AR1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635965</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AR1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082154">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082154</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120517</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AR1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635966" alias="CD2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635966</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CD2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082155">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082155</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120670</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CD2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635967" alias="CE2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635967</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CE2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082156">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082156</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120671</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CE2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635968" alias="CF2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635968</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CF2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082157">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082157</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120672</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CF2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635969" alias="CG2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635969</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CG2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082158">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082158</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120673</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CG2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635970" alias="CH2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635970</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CH2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082159">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082159</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120674</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CH2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635971" alias="CI2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635971</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CI2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082160">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082160</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120675</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CI2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635972" alias="CJ2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635972</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CJ2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082161">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082161</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120676</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CJ2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635973" alias="CK2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635973</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CK2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082162">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082162</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120677</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CK2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635974" alias="CL2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635974</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CL2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082163">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082163</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120678</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CL2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635975" alias="CM2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635975</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CM2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082164">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082164</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120679</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CM2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635976" alias="AS1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635976</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AS1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082166">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082166</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120518</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AS1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635977" alias="CN2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635977</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CN2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082165">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082165</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120680</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CN2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635978" alias="CO2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635978</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CO2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082167">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082167</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120681</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CO2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635979" alias="CP2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635979</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CP2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082168">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082168</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120682</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CP2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635980" alias="CQ2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635980</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CQ2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082169">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082169</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120683</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CQ2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635981" alias="CR2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635981</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CR2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082170">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082170</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120684</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CR2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635982" alias="CS2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635982</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CS2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082171">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082171</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120685</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CS2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635983" alias="CT2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635983</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CT2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082172">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082172</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120686</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CT2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635984" alias="CU2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635984</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CU2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082173">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082173</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120687</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CU2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635985" alias="CV2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635985</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CV2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082174">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082174</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120688</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CV2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635986" alias="CW2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635986</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CW2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082175">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082175</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120689</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CW2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635987" alias="AT1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635987</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AT1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082176">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082176</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120519</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AT1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635988" alias="CX2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635988</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CX2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082177">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082177</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120690</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CX2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635989" alias="CY2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635989</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CY2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082178">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082178</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120691</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CY2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635990" alias="CZ2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635990</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CZ2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082179">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082179</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120692</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CZ2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635991" alias="CAA2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635991</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CAA2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082180">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082180</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120693</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CAA2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635992" alias="CAB2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635992</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">CAB2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082181">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082181</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120694</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>CAB2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635993" alias="DA2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635993</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DA2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082182">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082182</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120695</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DA2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635994" alias="DB2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635994</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DB2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082183">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082183</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120696</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DB2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635995" alias="DC2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635995</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DC2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082184">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082184</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120697</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DC2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635996" alias="DD2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635996</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DD2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082185">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082185</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120698</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DD2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635997" alias="DE2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635997</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">DE2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:subgingival plaque</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CP+COPD</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082186">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082186</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120699</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>DE2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX18635998" alias="AC1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX18635998</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12389574">AC1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>16S:gingival crevicular fluid</TITLE>
    <STUDY_REF accession="SRP412355">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP412355</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA910319</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Health</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS16082187">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS16082187</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN32120502</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>AC1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent S5</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
</EXPERIMENT_SET>
