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      <PRIMARY_ID>SRX5097743</PRIMARY_ID>
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    <TITLE>Eastern Sahelo-Sudanian soil 03</TITLE>
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      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
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        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
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      <PRIMARY_ID>SRX5097744</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen15</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Eastern Sahelo-Sudanian soil 02</TITLE>
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        <PRIMARY_ID>SRP172551</PRIMARY_ID>
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      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
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      <PRIMARY_ID>SRX5097745</PRIMARY_ID>
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    <TITLE>Eastern Sahelo-Sudanian soil 05</TITLE>
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        <PRIMARY_ID>SRP172551</PRIMARY_ID>
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      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
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        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
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      <PRIMARY_ID>SRX5097746</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen18</SUBMITTER_ID>
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    <TITLE>Eastern Sahelo-Sudanian soil 04</TITLE>
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        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
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    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
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      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
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      <PRIMARY_ID>SRX5097747</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen12</SUBMITTER_ID>
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    <TITLE>Western Sahelo-Sudanian soil 08</TITLE>
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        <PRIMARY_ID>SRP172551</PRIMARY_ID>
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      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
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          <PRIMARY_ID>SRS4108500</PRIMARY_ID>
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        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
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      <PRIMARY_ID>SRX5097748</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen11</SUBMITTER_ID>
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    <TITLE>Western Sahelo-Sudanian soil 07</TITLE>
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          <PRIMARY_ID>SRS4108501</PRIMARY_ID>
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        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
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      <PRIMARY_ID>SRX5097749</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen14</SUBMITTER_ID>
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    <TITLE>Eastern Sahelo-Sudanian soil 01</TITLE>
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        <PRIMARY_ID>SRP172551</PRIMARY_ID>
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      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
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        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
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      <PRIMARY_ID>SRX5097750</PRIMARY_ID>
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    <TITLE>Western Sahelo-Sudanian soil 09</TITLE>
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        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
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    <TITLE>Northern sudanian soil 02</TITLE>
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        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
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      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
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      <PRIMARY_ID>SRX5097753</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen06</SUBMITTER_ID>
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    <TITLE>Northwestern Sahelian soil 03</TITLE>
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      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
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        <IDENTIFIERS>
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        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
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          <SINGLE/>
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    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
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    <IDENTIFIERS>
      <PRIMARY_ID>SRX5097754</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen05</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Northwestern Sahelian soil 02</TITLE>
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        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
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    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
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        <IDENTIFIERS>
          <PRIMARY_ID>SRS4108507</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|souleyphenix@gmail.com">Sen05</SUBMITTER_ID>
        </IDENTIFIERS>
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        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
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    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX5097755" alias="Sen08">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX5097755</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen08</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Western Sahelo-Sudanian soil 04</TITLE>
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        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS4108508">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS4108508</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|souleyphenix@gmail.com">Sen08</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>Sen08</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX5097756" alias="Sen07">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX5097756</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen07</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Northwestern Sahelian soil 04</TITLE>
    <STUDY_REF accession="SRP172551">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS4108509">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS4108509</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|souleyphenix@gmail.com">Sen07</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>Sen07</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX5097757" alias="Sen02">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX5097757</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen02</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Western Sahelo-Sudanian soil 02</TITLE>
    <STUDY_REF accession="SRP172551">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS4108510">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS4108510</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|souleyphenix@gmail.com">Sen02</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>Sen02</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX5097758" alias="Sen01">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX5097758</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen01</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Western Sahelo-Sudanian soil 01</TITLE>
    <STUDY_REF accession="SRP172551">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS4108511">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS4108511</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|souleyphenix@gmail.com">Sen01</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>Sen01</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX5097759" alias="Sen04">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX5097759</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen04</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Northwestern Sahelian soil 01</TITLE>
    <STUDY_REF accession="SRP172551">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS4108512">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS4108512</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|souleyphenix@gmail.com">Sen04</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>Sen04</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX5097760" alias="Sen03">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX5097760</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen03</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Western Sahelo-Sudanian soil 03</TITLE>
    <STUDY_REF accession="SRP172551">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS4108513">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS4108513</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|souleyphenix@gmail.com">Sen03</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>Sen03</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX5097761" alias="Sen10">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX5097761</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen10</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Western Sahelo-Sudanian soil 06</TITLE>
    <STUDY_REF accession="SRP172551">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS4108514">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS4108514</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|souleyphenix@gmail.com">Sen10</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>Sen10</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX5097762" alias="Sen09">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX5097762</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen09</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Western Sahelo-Sudanian soil 05</TITLE>
    <STUDY_REF accession="SRP172551">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS4108515">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS4108515</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|souleyphenix@gmail.com">Sen09</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>Sen09</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX5097763" alias="Sen26">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX5097763</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen26</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Northern sudanian soil 07</TITLE>
    <STUDY_REF accession="SRP172551">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS4108516">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS4108516</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|souleyphenix@gmail.com">Sen26</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>Sen26</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX5097764" alias="Sen22">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX5097764</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen22</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Northern sudanian soil 03</TITLE>
    <STUDY_REF accession="SRP172551">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS4108517">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS4108517</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|souleyphenix@gmail.com">Sen22</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>Sen22</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX5097765" alias="Sen23">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX5097765</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen23</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Northern sudanian soil 04</TITLE>
    <STUDY_REF accession="SRP172551">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS4108518">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS4108518</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|souleyphenix@gmail.com">Sen23</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>Sen23</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX5097766" alias="Sen24">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX5097766</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen24</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Northern sudanian soil 05</TITLE>
    <STUDY_REF accession="SRP172551">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS4108519">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS4108519</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|souleyphenix@gmail.com">Sen24</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>Sen24</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX5097767" alias="Sen25">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX5097767</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB4867230">Sen25</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Northern sudanian soil 06</TITLE>
    <STUDY_REF accession="SRP172551">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP172551</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB4867230">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>The 16S rRNA gene V4 variable region PCR primers 515/806 were used in a single-step 30 cycle PCR using the HotStarTaq Plus Master Mix Kit (Qiagen, USA) under the following conditions: 94C for 3 minutes, followed by 28 cycles (5 cycle used on PCR products) of 94C for 30 seconds, 53C for 40 seconds and 72C for 1 minute, after which a final elongation step at 72C for 5 minutes was performed. Sequencing was performed at MR DNA (www.mrdnalab.com, Shallowater, TX, USA) on an Ion Torrent PGM following the manufacturers guidelines.</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS4108520">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS4108520</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|souleyphenix@gmail.com">Sen25</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>Sen25</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <SINGLE/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ION_TORRENT>
        <INSTRUMENT_MODEL>Ion Torrent PGM</INSTRUMENT_MODEL>
      </ION_TORRENT>
    </PLATFORM>
  </EXPERIMENT>
</EXPERIMENT_SET>
