<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="SAMEA3356719" accession="ERS710548">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710548</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356719</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>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 63.559 m corresponding to an age of 1455.415 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356719</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>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn47</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>Gygytgyn47</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>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="SAMEA3356729" accession="ERS710558">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710558</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356729</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 2280.678 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 106.222 m corresponding to an age of 2280.678 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:00Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:00Z</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356729</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>2023-11-30T00:28:00Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:00Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn57</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>106.222</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>Gygytgyn57</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>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="SAMEA3356721" accession="ERS710550">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710550</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356721</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>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 65.028 m corresponding to an age of 1480.524 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356721</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>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn49</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>
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      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>crater lake</VALUE>
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      <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>
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      <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>
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      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn49</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
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      <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="SAMEA3356728" accession="ERS710557">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710557</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356728</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 2272.203 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 106.102 m corresponding to an age of 2272.203 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356728</VALUE>
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      <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>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>106.102</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      <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>
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      <SAMPLE_ATTRIBUTE>
        <TAG>pcr primers</TAG>
        <VALUE>5'-GTGCCAGCMGCCGCGGTAA-3' 5'-GGACTACHVGGGTWTCTAAT-3</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>ICDP El'gygytgyn</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>Gygytgyn56</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>16S rDNA</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>target subfragment</TAG>
        <VALUE>16S V4</VALUE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA3356727" accession="ERS710556">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710556</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356727</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 2263.482 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 105.942 m corresponding to an age of 2263.482 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356727</VALUE>
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      <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>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>105.942</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
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      <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>Gygytgyn55</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>sediment metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sediment environmental package</TAG>
        <VALUE>sediment</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Illumina MiSeq 2x250bp</VALUE>
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      <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="SAMEA3356718" accession="ERS710547">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710547</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356718</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>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 44.389 m corresponding to an age of 1090.643 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356718</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>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn46</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>Gygytgyn46</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>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="SAMEA3356716" accession="ERS710545">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710545</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356716</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>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 43.629 m corresponding to an age of 1061.799 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356716</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>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn44</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>Gygytgyn44</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>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="SAMEA3356722" accession="ERS710551">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710551</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356722</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>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 65.328 m corresponding to an age of 1490.457 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356722</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>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn50</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>Gygytgyn50</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>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="SAMEA3356717" accession="ERS710546">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710546</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356717</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>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 43.969 m corresponding to an age of 1071.296 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356717</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>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn45</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>Gygytgyn45</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>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="SAMEA3356720" accession="ERS710549">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710549</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356720</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>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 64.098 m corresponding to an age of 1460.943 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356720</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>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn48</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>Gygytgyn48</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>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="SAMEA3356726" accession="ERS710555">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710555</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356726</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 2243.527 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 105.731 m corresponding to an age of 2243.527 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356726</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>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn54</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>105.731</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>Gygytgyn54</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>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="SAMEA3356725" accession="ERS710554">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710554</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356725</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1603.946 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 69.094 m corresponding to an age of 1603.946 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356725</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>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn53</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>69.094</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>Gygytgyn53</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>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="SAMEA3356723" accession="ERS710552">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710552</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356723</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1585.642 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 68.765 m corresponding to an age of 1585.642 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356723</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>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn51</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>68.765</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>Gygytgyn51</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>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="SAMEA3356715" accession="ERS710544">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710544</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356715</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>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 43.449 m corresponding to an age of 1050.332 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356715</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>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:27:59Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn43</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>Gygytgyn43</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>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="SAMEA3356724" accession="ERS710553">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS710553</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA3356724</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Sediment core sample - estimated age 1592.561 ka</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>DNA extract of a sediment drilling core from the El'gygytgyn crater lake at depth 68.936 m corresponding to an age of 1592.561 ka</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2023-11-30T00:28:00Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2023-11-30T00:28:00Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA3356724</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>2023-11-30T00:28:00Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2023-11-30T00:28:00Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>Gygytgyn52</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2014-06</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>68.936</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>Gygytgyn52</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>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>
