<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<EXPERIMENT_SET>
    <EXPERIMENT accession="DRX002832" center_name="UT_COB" alias="DRX002832">
        <TITLE>PCR amplification of 16S rRNA gene (V1-V2 region) sequence</TITLE>
        <STUDY_REF accession="DRP000914" refcenter="UT_COB" refname="DRP000914">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB2570</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR accession="DRS002916" refcenter="UT_COB" refname="DRS002916">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00012647</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <SINGLE/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR amplification of the SSU rRNA gene V1-V2 region using forward primer (5?-CCATCTCATCCCTGCGTGTCTCCGACTCAGNNNNNNNNNNagrgtttg atymtggctcag-3?) containing the 454 primer A, a unique 10-bp barcode sequence for each sample (indicated in N), and reverse primer (5?-CCTATCCCCTGTGTGCCTTGGCAGTCTCAGtgctgcctcccgtaggagt-3?) containing the 454 primer B and reverse primer 338R (tgctgcctcccgtaggagt).</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <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>
            <PIPELINE>
                <PIPE_SECTION>
                    <STEP_INDEX>1</STEP_INDEX>
                    <PREV_STEP_INDEX>NIL</PREV_STEP_INDEX>
                    <PROGRAM></PROGRAM>
                    <VERSION></VERSION>
                </PIPE_SECTION>
            </PIPELINE>
        </PROCESSING>
    </EXPERIMENT>
    <EXPERIMENT accession="DRX002833" center_name="UT_COB" alias="DRX002833">
        <TITLE>PCR amplification of 16S rRNA gene (V1-V2 region) sequence</TITLE>
        <STUDY_REF accession="DRP000914" refcenter="UT_COB" refname="DRP000914">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB2570</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR accession="DRS002917" refcenter="UT_COB" refname="DRS002917">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00012642</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <SINGLE/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR amplification of the SSU rRNA gene V1-V2 region using forward primer (5?-CCATCTCATCCCTGCGTGTCTCCGACTCAGNNNNNNNNNNagrgtttg atymtggctcag-3?) containing the 454 primer A, a unique 10-bp barcode sequence for each sample (indicated in N), and reverse primer (5?-CCTATCCCCTGTGTGCCTTGGCAGTCTCAGtgctgcctcccgtaggagt-3?) containing the 454 primer B and reverse primer 338R (tgctgcctcccgtaggagt).</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <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>
            <PIPELINE>
                <PIPE_SECTION>
                    <STEP_INDEX>1</STEP_INDEX>
                    <PREV_STEP_INDEX>NIL</PREV_STEP_INDEX>
                    <PROGRAM></PROGRAM>
                    <VERSION></VERSION>
                </PIPE_SECTION>
            </PIPELINE>
        </PROCESSING>
    </EXPERIMENT>
    <EXPERIMENT accession="DRX002834" center_name="UT_COB" alias="DRX002834">
        <TITLE>PCR amplification of 16S rRNA gene (V1-V2 region) sequence</TITLE>
        <STUDY_REF accession="DRP000914" refcenter="UT_COB" refname="DRP000914">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB2570</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR accession="DRS002918" refcenter="UT_COB" refname="DRS002918">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00012643</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <SINGLE/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR amplification of the SSU rRNA gene V1-V2 region using forward primer (5?-CCATCTCATCCCTGCGTGTCTCCGACTCAGNNNNNNNNNNagrgtttg atymtggctcag-3?) containing the 454 primer A, a unique 10-bp barcode sequence for each sample (indicated in N), and reverse primer (5?-CCTATCCCCTGTGTGCCTTGGCAGTCTCAGtgctgcctcccgtaggagt-3?) containing the 454 primer B and reverse primer 338R (tgctgcctcccgtaggagt).</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <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>
            <PIPELINE>
                <PIPE_SECTION>
                    <STEP_INDEX>1</STEP_INDEX>
                    <PREV_STEP_INDEX>NIL</PREV_STEP_INDEX>
                    <PROGRAM></PROGRAM>
                    <VERSION></VERSION>
                </PIPE_SECTION>
            </PIPELINE>
        </PROCESSING>
    </EXPERIMENT>
    <EXPERIMENT accession="DRX002835" center_name="UT_COB" alias="DRX002835">
        <TITLE>PCR amplification of 16S rRNA gene (V1-V2 region) sequence</TITLE>
        <STUDY_REF accession="DRP000914" refcenter="UT_COB" refname="DRP000914">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB2570</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR accession="DRS002919" refcenter="UT_COB" refname="DRS002919">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00012645</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <SINGLE/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR amplification of the SSU rRNA gene V1-V2 region using forward primer (5?-CCATCTCATCCCTGCGTGTCTCCGACTCAGNNNNNNNNNNagrgtttg atymtggctcag-3?) containing the 454 primer A, a unique 10-bp barcode sequence for each sample (indicated in N), and reverse primer (5?-CCTATCCCCTGTGTGCCTTGGCAGTCTCAGtgctgcctcccgtaggagt-3?) containing the 454 primer B and reverse primer 338R (tgctgcctcccgtaggagt).</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <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>
            <PIPELINE>
                <PIPE_SECTION>
                    <STEP_INDEX>1</STEP_INDEX>
                    <PREV_STEP_INDEX>NIL</PREV_STEP_INDEX>
                    <PROGRAM></PROGRAM>
                    <VERSION></VERSION>
                </PIPE_SECTION>
            </PIPELINE>
        </PROCESSING>
    </EXPERIMENT>
    <EXPERIMENT accession="DRX002836" center_name="UT_COB" alias="DRX002836">
        <TITLE>PCR amplification of 16S rRNA gene (V1-V2 region) sequence</TITLE>
        <STUDY_REF accession="DRP000914" refcenter="UT_COB" refname="DRP000914">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB2570</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR accession="DRS002920" refcenter="UT_COB" refname="DRS002920">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00012646</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <SINGLE/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR amplification of the SSU rRNA gene V1-V2 region using forward primer (5?-CCATCTCATCCCTGCGTGTCTCCGACTCAGNNNNNNNNNNagrgtttg atymtggctcag-3?) containing the 454 primer A, a unique 10-bp barcode sequence for each sample (indicated in N), and reverse primer (5?-CCTATCCCCTGTGTGCCTTGGCAGTCTCAGtgctgcctcccgtaggagt-3?) containing the 454 primer B and reverse primer 338R (tgctgcctcccgtaggagt).</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <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>
            <PIPELINE>
                <PIPE_SECTION>
                    <STEP_INDEX>1</STEP_INDEX>
                    <PREV_STEP_INDEX>NIL</PREV_STEP_INDEX>
                    <PROGRAM></PROGRAM>
                    <VERSION></VERSION>
                </PIPE_SECTION>
            </PIPELINE>
        </PROCESSING>
    </EXPERIMENT>
    <EXPERIMENT accession="DRX002837" center_name="UT_COB" alias="DRX002837">
        <TITLE>PCR amplification of 16S rRNA gene (V1-V2 region) sequence</TITLE>
        <STUDY_REF accession="DRP000914" refcenter="UT_COB" refname="DRP000914">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB2570</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR accession="DRS002921" refcenter="UT_COB" refname="DRS002921">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00012640</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <SINGLE/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR amplification of the SSU rRNA gene V1-V2 region using forward primer (5?-CCATCTCATCCCTGCGTGTCTCCGACTCAGNNNNNNNNNNagrgtttg atymtggctcag-3?) containing the 454 primer A, a unique 10-bp barcode sequence for each sample (indicated in N), and reverse primer (5?-CCTATCCCCTGTGTGCCTTGGCAGTCTCAGtgctgcctcccgtaggagt-3?) containing the 454 primer B and reverse primer 338R (tgctgcctcccgtaggagt).</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <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>
            <PIPELINE>
                <PIPE_SECTION>
                    <STEP_INDEX>1</STEP_INDEX>
                    <PREV_STEP_INDEX>NIL</PREV_STEP_INDEX>
                    <PROGRAM></PROGRAM>
                    <VERSION></VERSION>
                </PIPE_SECTION>
            </PIPELINE>
        </PROCESSING>
    </EXPERIMENT>
    <EXPERIMENT accession="DRX002838" center_name="UT_COB" alias="DRX002838">
        <TITLE>PCR amplification of 16S rRNA gene (V1-V2 region) sequence</TITLE>
        <STUDY_REF accession="DRP000914" refcenter="UT_COB" refname="DRP000914">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB2570</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR accession="DRS002922" refcenter="UT_COB" refname="DRS002922">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00012644</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <SINGLE/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR amplification of the SSU rRNA gene V1-V2 region using forward primer (5?-CCATCTCATCCCTGCGTGTCTCCGACTCAGNNNNNNNNNNagrgtttg atymtggctcag-3?) containing the 454 primer A, a unique 10-bp barcode sequence for each sample (indicated in N), and reverse primer (5?-CCTATCCCCTGTGTGCCTTGGCAGTCTCAGtgctgcctcccgtaggagt-3?) containing the 454 primer B and reverse primer 338R (tgctgcctcccgtaggagt).</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <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>
            <PIPELINE>
                <PIPE_SECTION>
                    <STEP_INDEX>1</STEP_INDEX>
                    <PREV_STEP_INDEX>NIL</PREV_STEP_INDEX>
                    <PROGRAM></PROGRAM>
                    <VERSION></VERSION>
                </PIPE_SECTION>
            </PIPELINE>
        </PROCESSING>
    </EXPERIMENT>
    <EXPERIMENT accession="DRX002839" center_name="UT_COB" alias="DRX002839">
        <TITLE>PCR amplification of 16S rRNA gene (V1-V2 region) sequence</TITLE>
        <STUDY_REF accession="DRP000914" refcenter="UT_COB" refname="DRP000914">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB2570</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR accession="DRS002923" refcenter="UT_COB" refname="DRS002923">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00012639</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <SINGLE/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR amplification of the SSU rRNA gene V1-V2 region using forward primer (5?-CCATCTCATCCCTGCGTGTCTCCGACTCAGNNNNNNNNNNagrgtttg atymtggctcag-3?) containing the 454 primer A, a unique 10-bp barcode sequence for each sample (indicated in N), and reverse primer (5?-CCTATCCCCTGTGTGCCTTGGCAGTCTCAGtgctgcctcccgtaggagt-3?) containing the 454 primer B and reverse primer 338R (tgctgcctcccgtaggagt).</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <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>
            <PIPELINE>
                <PIPE_SECTION>
                    <STEP_INDEX>1</STEP_INDEX>
                    <PREV_STEP_INDEX>NIL</PREV_STEP_INDEX>
                    <PROGRAM></PROGRAM>
                    <VERSION></VERSION>
                </PIPE_SECTION>
            </PIPELINE>
        </PROCESSING>
    </EXPERIMENT>
    <EXPERIMENT accession="DRX002840" center_name="UT_COB" alias="DRX002840">
        <TITLE>PCR amplification of 16S rRNA gene (V1-V2 region) sequence</TITLE>
        <STUDY_REF accession="DRP000914" refcenter="UT_COB" refname="DRP000914">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB2570</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR accession="DRS002924" refcenter="UT_COB" refname="DRS002924">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00012641</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <SINGLE/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR amplification of the SSU rRNA gene V1-V2 region using forward primer (5?-CCATCTCATCCCTGCGTGTCTCCGACTCAGNNNNNNNNNNagrgtttg atymtggctcag-3?) containing the 454 primer A, a unique 10-bp barcode sequence for each sample (indicated in N), and reverse primer (5?-CCTATCCCCTGTGTGCCTTGGCAGTCTCAGtgctgcctcccgtaggagt-3?) containing the 454 primer B and reverse primer 338R (tgctgcctcccgtaggagt).</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <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>
            <PIPELINE>
                <PIPE_SECTION>
                    <STEP_INDEX>1</STEP_INDEX>
                    <PREV_STEP_INDEX>NIL</PREV_STEP_INDEX>
                    <PROGRAM></PROGRAM>
                    <VERSION></VERSION>
                </PIPE_SECTION>
            </PIPELINE>
        </PROCESSING>
    </EXPERIMENT>
</EXPERIMENT_SET>
