<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="SAMEA3946625" accession="ERS1133759">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133759</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946625</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core Sample - estimated age 3574.013 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946625</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn39e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>309,754</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn39e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946628" accession="ERS1133762">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133762</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946628</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core Sample - estimated age 3577.365 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946628</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn40i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>312,114</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn40i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946626" accession="ERS1133760">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133760</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946626</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core Sample - estimated age 3574.013 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946626</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn39i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>309,754</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn39i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946623" accession="ERS1133757">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133757</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946623</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core Sample - estimated age 3558.965 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946623</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn35e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>298,926</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn35e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946641" accession="ERS1133775">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133775</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946641</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1460.943 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946641</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn48e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>64,098</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn48e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946638" accession="ERS1133772">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133772</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946638</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1090.643 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946638</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn46i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>44,389</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn46i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946631" accession="ERS1133765">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133765</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946631</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1050.332 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946631</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn43e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>43,449</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn43e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946645" accession="ERS1133779">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133779</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946645</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1490.457 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946645</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn50e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>65,328</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn50e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946622" accession="ERS1133756">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133756</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946622</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core Sample - estimated age 3299.522 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946622</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn20i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>186,905</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn20i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946637" accession="ERS1133771">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133771</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946637</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1090.643 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946637</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn46e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>44,389</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn46e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946643" accession="ERS1133777">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133777</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946643</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1480.524 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946643</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn49e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>65,028</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn49e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946621" accession="ERS1133755">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133755</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946621</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core Sample - estimated age 3299.522 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946621</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn20e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>186,905</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn20e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946620" accession="ERS1133754">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133754</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946620</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core Sample - estimated age 2908.401 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946620</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn5i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>141,535</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn5i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946629" accession="ERS1133763">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133763</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946629</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core Sample - estimated age 3581.849 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946629</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn41e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>315,323</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn41e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946632" accession="ERS1133766">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133766</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946632</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1050.332 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946632</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn43i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>43,449</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn43i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946640" accession="ERS1133774">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133774</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946640</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1455.415 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946640</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn47i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>63,559</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn47i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946627" accession="ERS1133761">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133761</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946627</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core Sample - estimated age 3577.365 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946627</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn40e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>312,114</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn40e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946639" accession="ERS1133773">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133773</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946639</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1455.415 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946639</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn47e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>63,559</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn47e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946644" accession="ERS1133778">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133778</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946644</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1480.524 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946644</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn49i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>65,028</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn49i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946624" accession="ERS1133758">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133758</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946624</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core Sample - estimated age 3558.965 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946624</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn35i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>298,926</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn35i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946635" accession="ERS1133769">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133769</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946635</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1071.296 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946635</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn45e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>43,969</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn45e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946630" accession="ERS1133764">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133764</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946630</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core Sample - estimated age 3581.849 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946630</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn41i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>315,323</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn41i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946619" accession="ERS1133753">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133753</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946619</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core Sample - estimated age 2908.401 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:04Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:04Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946619</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:04Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:04Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn5e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>141,535</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn5e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946642" accession="ERS1133776">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133776</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946642</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1460.943 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946642</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn48i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>64,098</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn48i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946646" accession="ERS1133780">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133780</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946646</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1490.457 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946646</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn50i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>65,328</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn50i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946633" accession="ERS1133767">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133767</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946633</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1061.799 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946633</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn44e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>43,629</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn44e</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946636" accession="ERS1133770">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133770</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946636</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1071.296 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946636</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn45i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>43,969</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn45i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3946634" accession="ERS1133768">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS1133768</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3946634</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1061.799 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3946634</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>GFZ German Research Centre for Geosciences</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:05Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn44i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>43,629</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>freshwater lake biome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>lake sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Russia</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (elevation)</TAG>
        <VALUE>322</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>7487465</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>542704</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (region and locality)</TAG>
        <VALUE>Central Chukotka, North East Russian Arctic</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>mimarks-survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn44i</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>subspecific genetic lineage</TAG>
        <VALUE>bacteria and archaea</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
