<?xml version="1.0" encoding="UTF-8"?>
<EXPERIMENT_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <EXPERIMENT alias="IP Microbiota" accession="SRX377754" center_name="Univesity College Cork">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX377754</PRIMARY_ID>
      <SUBMITTER_ID namespace="Univesity College Cork">IP Microbiota</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Deep Sea Sponge and Seawater - IP</TITLE>
    <STUDY_REF accession="SRP033019">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP033019</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA227795</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>PCR amplicon libraries of the V5-V6 region of 16S rRNA genes were prepared from metagenomic DNA. Universal primers U789f (5’-TAGATACCCSSGTAGTCC-3’) and U1068r (5’-CTGACGRCRGCCATGC-3’), targeting both bacteria and archaea, were adapted for pyrosequencing by the addition of sequencing adapters and multiplex identifier (MID) sequences.  To minimise PCR bias three individual reactions were performed per template and equimolar amounts of PCR products from each of the three reactions were pooled for pyrosequencing. PCR products were purified using Qiagen PCR Purification Kit (Qiagen Ltd., UK) as per the manufacturer’s instructions. Barcoded samples were pooled and sequenced on a GS FLX Titanium platform.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS502558">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS502558</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN02402455</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BD92</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>0</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>Adapter</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>5</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <LS454>
        <INSTRUMENT_MODEL>454 GS FLX Titanium</INSTRUMENT_MODEL>
      </LS454>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="PC_Microbiota" accession="SRX377938" center_name="Univesity College Cork">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX377938</PRIMARY_ID>
      <SUBMITTER_ID namespace="Univesity College Cork">PC_Microbiota</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Deep Sea Sponge ans Seawater_PC</TITLE>
    <STUDY_REF accession="SRP033019">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP033019</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>PCR amplicon libraries of the V5-V6 region of 16S rRNA genes were prepared from metagenomic DNA. Universal primers U789f (5’-TAGATACCCSSGTAGTCC-3’) and U1068r (5’-CTGACGRCRGCCATGC-3’), targeting both bacteria and archaea, were adapted for pyrosequencing by the addition of sequencing adapters and multiplex identifier (MID) sequences.  To minimise PCR bias three individual reactions were performed per template and equimolar amounts of PCR products from each of the three reactions were pooled for pyrosequencing. PCR products were purified using Qiagen PCR Purification Kit (Qiagen Ltd., UK) as per the manufacturer’s instructions. Barcoded samples were pooled and sequenced on a GS FLX Titanium platform.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS502738">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS502738</PRIMARY_ID>
          <SUBMITTER_ID namespace="Univesity College Cork">BD130</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME/>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>0</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>Adapter</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>5</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <LS454>
        <INSTRUMENT_MODEL>454 GS FLX Titanium</INSTRUMENT_MODEL>
      </LS454>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="LD_Microbiota" accession="SRX377939" center_name="Univesity College Cork">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX377939</PRIMARY_ID>
      <SUBMITTER_ID namespace="Univesity College Cork">LD_Microbiota</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Deep Sea Sponge and Seawater_LD</TITLE>
    <STUDY_REF accession="SRP033019">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP033019</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>PCR amplicon libraries of the V5-V6 region of 16S rRNA genes were prepared from metagenomic DNA. Universal primers U789f (5’-TAGATACCCSSGTAGTCC-3’) and U1068r (5’-CTGACGRCRGCCATGC-3’), targeting both bacteria and archaea, were adapted for pyrosequencing by the addition of sequencing adapters and multiplex identifier (MID) sequences.  To minimise PCR bias three individual reactions were performed per template and equimolar amounts of PCR products from each of the three reactions were pooled for pyrosequencing. PCR products were purified using Qiagen PCR Purification Kit (Qiagen Ltd., UK) as per the manufacturer’s instructions. Barcoded samples were pooled and sequenced on a GS FLX Titanium platform.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS502745">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS502745</PRIMARY_ID>
          <SUBMITTER_ID namespace="Univesity College Cork">BD188</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BD188_LD</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>0</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>Adapter</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>5</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <LS454>
        <INSTRUMENT_MODEL>454 GS FLX Titanium</INSTRUMENT_MODEL>
      </LS454>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SNCh_Microbiota" accession="SRX377940" center_name="Univesity College Cork">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX377940</PRIMARY_ID>
      <SUBMITTER_ID namespace="Univesity College Cork">SNCh_Microbiota</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Deep Sea Sponge and Seawater_SNCh</TITLE>
    <STUDY_REF accession="SRP033019">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP033019</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>PCR amplicon libraries of the V5-V6 region of 16S rRNA genes were prepared from metagenomic DNA. Universal primers U789f (5’-TAGATACCCSSGTAGTCC-3’) and U1068r (5’-CTGACGRCRGCCATGC-3’), targeting both bacteria and archaea, were adapted for pyrosequencing by the addition of sequencing adapters and multiplex identifier (MID) sequences.  To minimise PCR bias three individual reactions were performed per template and equimolar amounts of PCR products from each of the three reactions were pooled for pyrosequencing. PCR products were purified using Qiagen PCR Purification Kit (Qiagen Ltd., UK) as per the manufacturer’s instructions. Barcoded samples were pooled and sequenced on a GS FLX Titanium platform.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS502746">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS502746</PRIMARY_ID>
          <SUBMITTER_ID namespace="Univesity College Cork">BD243a</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BD243a_SNCh</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>0</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>Adapter</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>5</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <LS454>
        <INSTRUMENT_MODEL>454 GS FLX Titanium</INSTRUMENT_MODEL>
      </LS454>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SNCo_Microbiota" accession="SRX377959" center_name="Univesity College Cork">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX377959</PRIMARY_ID>
      <SUBMITTER_ID namespace="Univesity College Cork">SNCo_Microbiota</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Deep Sea Sponge and Seawater_SNCo</TITLE>
    <STUDY_REF accession="SRP033019">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP033019</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>PCR amplicon libraries of the V5-V6 region of 16S rRNA genes were prepared from metagenomic DNA. Universal primers U789f (5’-TAGATACCCSSGTAGTCC-3’) and U1068r (5’-CTGACGRCRGCCATGC-3’), targeting both bacteria and archaea, were adapted for pyrosequencing by the addition of sequencing adapters and multiplex identifier (MID) sequences.  To minimise PCR bias three individual reactions were performed per template and equimolar amounts of PCR products from each of the three reactions were pooled for pyrosequencing. PCR products were purified using Qiagen PCR Purification Kit (Qiagen Ltd., UK) as per the manufacturer’s instructions. Barcoded samples were pooled and sequenced on a GS FLX Titanium platform.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS502765">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS502765</PRIMARY_ID>
          <SUBMITTER_ID namespace="Univesity College Cork">BD243b</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BD243b_SNCo</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>0</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>Adapter</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>5</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <LS454>
        <INSTRUMENT_MODEL>454 GS FLX Titanium</INSTRUMENT_MODEL>
      </LS454>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SW1_Microbiota" accession="SRX377967" center_name="Univesity College Cork">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX377967</PRIMARY_ID>
      <SUBMITTER_ID namespace="Univesity College Cork">SW1_Microbiota</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Deep Sea Sponge and Seawater_SW1</TITLE>
    <STUDY_REF accession="SRP033019">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP033019</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA227795</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>PCR amplicon libraries of the V5-V6 region of 16S rRNA genes were prepared from metagenomic DNA. Universal primers U789f (5’-TAGATACCCSSGTAGTCC-3’) and U1068r (5’-CTGACGRCRGCCATGC-3’), targeting both bacteria and archaea, were adapted for pyrosequencing by the addition of sequencing adapters and multiplex identifier (MID) sequences.  To minimise PCR bias three individual reactions were performed per template and equimolar amounts of PCR products from each of the three reactions were pooled for pyrosequencing. PCR products were purified using Qiagen PCR Purification Kit (Qiagen Ltd., UK) as per the manufacturer’s instructions. Barcoded samples were pooled and sequenced on a GS FLX Titanium platform.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS502773">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS502773</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN02402460</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BD76_SW1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>0</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>Adapter</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>5</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <LS454>
        <INSTRUMENT_MODEL>454 GS FLX Titanium</INSTRUMENT_MODEL>
      </LS454>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SW2_Microbiota" accession="SRX377968" center_name="Univesity College Cork">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX377968</PRIMARY_ID>
      <SUBMITTER_ID namespace="Univesity College Cork">SW2_Microbiota</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Deep Sea Sponge and Seawater_SW2</TITLE>
    <STUDY_REF accession="SRP033019">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP033019</PRIMARY_ID>
        <EXTERNAL_ID namespace="BioProject">PRJNA227795</EXTERNAL_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>PCR amplicon libraries of the V5-V6 region of 16S rRNA genes were prepared from metagenomic DNA. Universal primers U789f (5’-TAGATACCCSSGTAGTCC-3’) and U1068r (5’-CTGACGRCRGCCATGC-3’), targeting both bacteria and archaea, were adapted for pyrosequencing by the addition of sequencing adapters and multiplex identifier (MID) sequences.  To minimise PCR bias three individual reactions were performed per template and equimolar amounts of PCR products from each of the three reactions were pooled for pyrosequencing. PCR products were purified using Qiagen PCR Purification Kit (Qiagen Ltd., UK) as per the manufacturer’s instructions. Barcoded samples were pooled and sequenced on a GS FLX Titanium platform.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS502774">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS502774</PRIMARY_ID>
          <EXTERNAL_ID namespace="BioSample">SAMN02402461</EXTERNAL_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BD116_SW2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>0</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>Adapter</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>5</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <LS454>
        <INSTRUMENT_MODEL>454 GS FLX Titanium</INSTRUMENT_MODEL>
      </LS454>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
  <EXPERIMENT alias="SW3_Microbiota" accession="SRX377969" center_name="Univesity College Cork">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX377969</PRIMARY_ID>
      <SUBMITTER_ID namespace="Univesity College Cork">SW3_Microbiota</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Deep Sea Sponge and Seawater_SW3</TITLE>
    <STUDY_REF accession="SRP033019">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP033019</PRIMARY_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>PCR amplicon libraries of the V5-V6 region of 16S rRNA genes were prepared from metagenomic DNA. Universal primers U789f (5’-TAGATACCCSSGTAGTCC-3’) and U1068r (5’-CTGACGRCRGCCATGC-3’), targeting both bacteria and archaea, were adapted for pyrosequencing by the addition of sequencing adapters and multiplex identifier (MID) sequences.  To minimise PCR bias three individual reactions were performed per template and equimolar amounts of PCR products from each of the three reactions were pooled for pyrosequencing. PCR products were purified using Qiagen PCR Purification Kit (Qiagen Ltd., UK) as per the manufacturer’s instructions. Barcoded samples were pooled and sequenced on a GS FLX Titanium platform.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS502775">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS502775</PRIMARY_ID>
          <SUBMITTER_ID namespace="Univesity College Cork">BD250</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>BD250_SW3</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
      <SPOT_DESCRIPTOR>
        <SPOT_DECODE_SPEC>
          <SPOT_LENGTH>0</SPOT_LENGTH>
          <READ_SPEC>
            <READ_INDEX>0</READ_INDEX>
            <READ_CLASS>Technical Read</READ_CLASS>
            <READ_TYPE>Adapter</READ_TYPE>
            <BASE_COORD>1</BASE_COORD>
          </READ_SPEC>
          <READ_SPEC>
            <READ_INDEX>1</READ_INDEX>
            <READ_CLASS>Application Read</READ_CLASS>
            <READ_TYPE>Forward</READ_TYPE>
            <BASE_COORD>5</BASE_COORD>
          </READ_SPEC>
        </SPOT_DECODE_SPEC>
      </SPOT_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <LS454>
        <INSTRUMENT_MODEL>454 GS FLX Titanium</INSTRUMENT_MODEL>
      </LS454>
    </PLATFORM>
    <PROCESSING/>
  </EXPERIMENT>
</EXPERIMENT_SET>
