<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="F1-B" accession="SRS15556852">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556852</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492814</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 1 bottom</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea anoxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>42.28 N 30.03 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>anaerobe</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>5.27613488651135</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="F1-M" accession="SRS15556853">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556853</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492815</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 1 middle</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea suboxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>42.28 N 30.03 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>microaerophilic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>8.746025397460253</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="F6-M" accession="SRS15556854">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556854</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492824</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 6 middle</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea suboxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>41.52 N 40.62 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>microaerophilic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>13.546832816718327</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="F9-B" accession="SRS15556855">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556855</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492826</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 9 bottom</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea anoxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.2 N 34.77 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>anaerobe</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>4.895872912708729</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="F6-T" accession="SRS15556856">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556856</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492825</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 6 top</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea oxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>41.52 N 40.62 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>aerobe</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>7.77160408959104</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="F9-M" accession="SRS15556857">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556857</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492827</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 9 middle</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea suboxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.2 N 34.77 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>microaerophilic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>9.482782971702829</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="F9-T" accession="SRS15556858">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556858</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492828</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 9 top</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea oxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>43.2 N 34.77 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>aerobe</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>8.199398810118987</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="F1-T" accession="SRS15556859">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556859</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492816</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 1 top</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea oxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>42.28 N 30.03 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>aerobe</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>6.93978102189781</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="F2-B" accession="SRS15556860">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556860</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492817</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 2 bottom</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea anoxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>42.52 N 31.4 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>anaerobe</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>6.345621687831216</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="F2-M" accession="SRS15556861">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556861</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492818</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 2 middle</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea suboxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>42.52 N 31.4 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>microaerophilic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>9.316418358164183</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="F2-T" accession="SRS15556862">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556862</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492819</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 2 top</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea oxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>42.52 N 31.4 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>aerobe</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>9.197586491350865</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="F5-B" accession="SRS15556863">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556863</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492820</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 5 bottom</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea anoxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>42.36 N 38.68 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>anaerobe</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>8.60342715728427</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="F5-M" accession="SRS15556864">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556864</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492821</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 5 middle</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea suboxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>42.36 N 38.68 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>microaerophilic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>9.67291395860414</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="F5-T" accession="SRS15556865">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556865</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492822</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 5 top</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea oxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>42.36 N 38.68 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>aerobe</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>7.629005849415058</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="F6-B" accession="SRS15556866">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15556866</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31492823</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>station 6 bottom</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>seawater</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>895066</ID>
          <LABEL>PRJNA895066</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Black Sea anoxic water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2013-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Romania: Black Sea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>41.52 N 40.62 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>rel_to_oxygen</TAG>
        <VALUE>anaerobe</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_collect_device</TAG>
        <VALUE>in situ pump and filtration on 1 µm polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>7.747837716228377</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
