<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="NC_2" accession="SRS17537607">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537607</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567937</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>NC denotes normal control rats</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>NC2 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GU_5" accession="SRS17537608">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537608</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567946</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>GU denotes rats with gastric ulcer</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>GU5 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NC_1" accession="SRS17537609">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537609</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567936</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>NC denotes normal control rats</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>NC1 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="QWZT_1" accession="SRS17537610">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537610</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567948</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>QWZT denotes rats in the administration group</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>QWZT1 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="QWZT_2" accession="SRS17537611">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537611</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567949</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>QWZT denotes rats in the administration group</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>QWZT2 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GU_6" accession="SRS17537612">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537612</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567947</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>GU denotes rats with gastric ulcer</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>GU6 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="QWZT_3" accession="SRS17537613">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537613</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567950</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>QWZT denotes rats in the administration group</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>QWZT3 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="QWZT_4" accession="SRS17537614">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537614</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567951</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>QWZT denotes rats in the administration group</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>QWZT4 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="QWZT_5" accession="SRS17537615">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537615</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567952</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>QWZT denotes rats in the administration group</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>QWZT5 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NC_4" accession="SRS17537616">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537616</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567939</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>NC denotes normal control rats</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>NC4 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NC_5" accession="SRS17537617">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537617</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567940</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>NC denotes normal control rats</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>NC5 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="QWZT_6" accession="SRS17537618">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537618</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567953</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>QWZT denotes rats in the administration group</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>QWZT6 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NC_3" accession="SRS17537619">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537619</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567938</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>NC denotes normal control rats</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>NC3 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NC_6" accession="SRS17537620">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537620</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567941</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>NC denotes normal control rats</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>NC6 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GU_1" accession="SRS17537621">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537621</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567942</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>GU denotes rats with gastric ulcer</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>GU1 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GU_4" accession="SRS17537622">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537622</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567945</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>GU denotes rats with gastric ulcer</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>GU4 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GU_2" accession="SRS17537623">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537623</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567943</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>GU denotes rats with gastric ulcer</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>GU2 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GU_3" accession="SRS17537624">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS17537624</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN34567944</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>749906</TAXON_ID>
      <SCIENTIFIC_NAME>gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>GU denotes rats with gastric ulcer</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Rattus norvegicus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>GU3 Rat feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2022-11-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Changchun</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.88 N 125.35 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
