<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<EXPERIMENT_SET>
    <EXPERIMENT alias="DRX317112" center_name="RIKEN" accession="DRX317112">
        <TITLE>MKU19_N1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210032" refcenter="RIKEN_IMS" accession="DRS210032">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414831</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_N1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317113" center_name="RIKEN" accession="DRX317113">
        <TITLE>MKU19_N2 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210033" refcenter="RIKEN_IMS" accession="DRS210033">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414832</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_N2 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317114" center_name="RIKEN" accession="DRX317114">
        <TITLE>MKU19_N3 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210034" refcenter="RIKEN_IMS" accession="DRS210034">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414833</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_N3 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317115" center_name="RIKEN" accession="DRX317115">
        <TITLE>MKU19_N4 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210035" refcenter="RIKEN_IMS" accession="DRS210035">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414834</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_N4 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317116" center_name="RIKEN" accession="DRX317116">
        <TITLE>MKU20_N1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210036" refcenter="RIKEN_IMS" accession="DRS210036">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414835</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_N1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317117" center_name="RIKEN" accession="DRX317117">
        <TITLE>MKU20_N2 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210037" refcenter="RIKEN_IMS" accession="DRS210037">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414836</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_N2 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317118" center_name="RIKEN" accession="DRX317118">
        <TITLE>MKU20_N3 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210038" refcenter="RIKEN_IMS" accession="DRS210038">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414837</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_N3 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317119" center_name="RIKEN" accession="DRX317119">
        <TITLE>MKU20_N4 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210039" refcenter="RIKEN_IMS" accession="DRS210039">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414838</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_N4 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317120" center_name="RIKEN" accession="DRX317120">
        <TITLE>MKU22_N1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210040" refcenter="RIKEN_IMS" accession="DRS210040">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414839</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_N1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317121" center_name="RIKEN" accession="DRX317121">
        <TITLE>MKU22_N2 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210041" refcenter="RIKEN_IMS" accession="DRS210041">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414840</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_N2 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317122" center_name="RIKEN" accession="DRX317122">
        <TITLE>MKU22_N3 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210042" refcenter="RIKEN_IMS" accession="DRS210042">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414841</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_N3 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317123" center_name="RIKEN" accession="DRX317123">
        <TITLE>MKU22_N4 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210043" refcenter="RIKEN_IMS" accession="DRS210043">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414842</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_N4 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317124" center_name="RIKEN" accession="DRX317124">
        <TITLE>MKU19_E1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210044" refcenter="RIKEN_IMS" accession="DRS210044">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414843</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_E1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317125" center_name="RIKEN" accession="DRX317125">
        <TITLE>MKU19_E2 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210045" refcenter="RIKEN_IMS" accession="DRS210045">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414844</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_E2 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317126" center_name="RIKEN" accession="DRX317126">
        <TITLE>MKU19_E3 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210046" refcenter="RIKEN_IMS" accession="DRS210046">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414845</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_E3 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317127" center_name="RIKEN" accession="DRX317127">
        <TITLE>MKU19_E4 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210047" refcenter="RIKEN_IMS" accession="DRS210047">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414846</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_E4 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317128" center_name="RIKEN" accession="DRX317128">
        <TITLE>MKU19_E5 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210048" refcenter="RIKEN_IMS" accession="DRS210048">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414847</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_E5 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317129" center_name="RIKEN" accession="DRX317129">
        <TITLE>MKU20_E1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210049" refcenter="RIKEN_IMS" accession="DRS210049">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414848</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_E1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317130" center_name="RIKEN" accession="DRX317130">
        <TITLE>MKU20_E2 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210050" refcenter="RIKEN_IMS" accession="DRS210050">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414849</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_E2 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317131" center_name="RIKEN" accession="DRX317131">
        <TITLE>MKU20_E3 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210051" refcenter="RIKEN_IMS" accession="DRS210051">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414850</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_E3 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317132" center_name="RIKEN" accession="DRX317132">
        <TITLE>MKU20_E4 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210052" refcenter="RIKEN_IMS" accession="DRS210052">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414851</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_E4 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317133" center_name="RIKEN" accession="DRX317133">
        <TITLE>MKU20_E5 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210053" refcenter="RIKEN_IMS" accession="DRS210053">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414852</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_E5 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317134" center_name="RIKEN" accession="DRX317134">
        <TITLE>MKU22_E1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210054" refcenter="RIKEN_IMS" accession="DRS210054">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414853</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_E1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317135" center_name="RIKEN" accession="DRX317135">
        <TITLE>MKU22_E2 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210055" refcenter="RIKEN_IMS" accession="DRS210055">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414854</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_E2 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317136" center_name="RIKEN" accession="DRX317136">
        <TITLE>MKU22_E3 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210056" refcenter="RIKEN_IMS" accession="DRS210056">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414855</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_E3 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317137" center_name="RIKEN" accession="DRX317137">
        <TITLE>MKU22_E4 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210057" refcenter="RIKEN_IMS" accession="DRS210057">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414856</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_E4 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317138" center_name="RIKEN" accession="DRX317138">
        <TITLE>MKU19_N4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210058" refcenter="RIKEN_IMS" accession="DRS210058">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414857</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_N4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317139" center_name="RIKEN" accession="DRX317139">
        <TITLE>MKU20_N1 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210059" refcenter="RIKEN_IMS" accession="DRS210059">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414858</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_N1 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317140" center_name="RIKEN" accession="DRX317140">
        <TITLE>MKU20_N2 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210060" refcenter="RIKEN_IMS" accession="DRS210060">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414859</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_N2 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317141" center_name="RIKEN" accession="DRX317141">
        <TITLE>MKU20_N3 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210061" refcenter="RIKEN_IMS" accession="DRS210061">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414860</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_N3 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317142" center_name="RIKEN" accession="DRX317142">
        <TITLE>MKU20_N4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210062" refcenter="RIKEN_IMS" accession="DRS210062">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414861</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_N4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317143" center_name="RIKEN" accession="DRX317143">
        <TITLE>MKU22_N1 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210063" refcenter="RIKEN_IMS" accession="DRS210063">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414862</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_N1 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317144" center_name="RIKEN" accession="DRX317144">
        <TITLE>MKU22_N2 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210064" refcenter="RIKEN_IMS" accession="DRS210064">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414863</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_N2 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317145" center_name="RIKEN" accession="DRX317145">
        <TITLE>MKU22_N3 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210065" refcenter="RIKEN_IMS" accession="DRS210065">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414864</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_N3 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317146" center_name="RIKEN" accession="DRX317146">
        <TITLE>MKU22_N4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210066" refcenter="RIKEN_IMS" accession="DRS210066">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414865</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_N4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317147" center_name="RIKEN" accession="DRX317147">
        <TITLE>MKU19_E1 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210067" refcenter="RIKEN_IMS" accession="DRS210067">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414866</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_E1 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317148" center_name="RIKEN" accession="DRX317148">
        <TITLE>MKU19_E2 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210068" refcenter="RIKEN_IMS" accession="DRS210068">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414867</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_E2 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317149" center_name="RIKEN" accession="DRX317149">
        <TITLE>MKU19_E3 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210069" refcenter="RIKEN_IMS" accession="DRS210069">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414868</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_E3 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317150" center_name="RIKEN" accession="DRX317150">
        <TITLE>MKU19_E4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210070" refcenter="RIKEN_IMS" accession="DRS210070">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414869</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_E4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317151" center_name="RIKEN" accession="DRX317151">
        <TITLE>MKU19_E5 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210071" refcenter="RIKEN_IMS" accession="DRS210071">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414870</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU19_E5 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317152" center_name="RIKEN" accession="DRX317152">
        <TITLE>MKU20_E1 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210072" refcenter="RIKEN_IMS" accession="DRS210072">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414871</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_E1 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317153" center_name="RIKEN" accession="DRX317153">
        <TITLE>MKU20_E2 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210073" refcenter="RIKEN_IMS" accession="DRS210073">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414872</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_E2 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317154" center_name="RIKEN" accession="DRX317154">
        <TITLE>MKU20_E3 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210074" refcenter="RIKEN_IMS" accession="DRS210074">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414873</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_E3 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317155" center_name="RIKEN" accession="DRX317155">
        <TITLE>MKU20_E4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210075" refcenter="RIKEN_IMS" accession="DRS210075">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414874</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_E4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317156" center_name="RIKEN" accession="DRX317156">
        <TITLE>MKU20_E5 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210076" refcenter="RIKEN_IMS" accession="DRS210076">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414875</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU20_E5 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317157" center_name="RIKEN" accession="DRX317157">
        <TITLE>MKU22_E1 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210077" refcenter="RIKEN_IMS" accession="DRS210077">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414876</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_E1 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317158" center_name="RIKEN" accession="DRX317158">
        <TITLE>MKU22_E2 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210078" refcenter="RIKEN_IMS" accession="DRS210078">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414877</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_E2 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317159" center_name="RIKEN" accession="DRX317159">
        <TITLE>MKU22_E3 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210079" refcenter="RIKEN_IMS" accession="DRS210079">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414878</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_E3 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317160" center_name="RIKEN" accession="DRX317160">
        <TITLE>MKU22_E4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210080" refcenter="RIKEN_IMS" accession="DRS210080">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414879</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>MKU22_E4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317161" center_name="RIKEN" accession="DRX317161">
        <TITLE>GF_EW1_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210081" refcenter="RIKEN_IMS" accession="DRS210081">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414880</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW1_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317162" center_name="RIKEN" accession="DRX317162">
        <TITLE>GF_EW2_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210082" refcenter="RIKEN_IMS" accession="DRS210082">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414881</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW2_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317163" center_name="RIKEN" accession="DRX317163">
        <TITLE>GF_EW3_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210083" refcenter="RIKEN_IMS" accession="DRS210083">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414882</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW3_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317164" center_name="RIKEN" accession="DRX317164">
        <TITLE>GF_EW4_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210084" refcenter="RIKEN_IMS" accession="DRS210084">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414883</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW4_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317165" center_name="RIKEN" accession="DRX317165">
        <TITLE>GF_EW5_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210085" refcenter="RIKEN_IMS" accession="DRS210085">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414884</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW5_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317166" center_name="RIKEN" accession="DRX317166">
        <TITLE>GF_EW6_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210086" refcenter="RIKEN_IMS" accession="DRS210086">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414885</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW6_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317167" center_name="RIKEN" accession="DRX317167">
        <TITLE>GF_EW7_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210087" refcenter="RIKEN_IMS" accession="DRS210087">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414886</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW7_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317168" center_name="RIKEN" accession="DRX317168">
        <TITLE>GF_EW1_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210088" refcenter="RIKEN_IMS" accession="DRS210088">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414887</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW1_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317169" center_name="RIKEN" accession="DRX317169">
        <TITLE>GF_EW2_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210089" refcenter="RIKEN_IMS" accession="DRS210089">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414888</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW2_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317170" center_name="RIKEN" accession="DRX317170">
        <TITLE>GF_EW3_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210090" refcenter="RIKEN_IMS" accession="DRS210090">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414889</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW3_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317171" center_name="RIKEN" accession="DRX317171">
        <TITLE>GF_EW5_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210091" refcenter="RIKEN_IMS" accession="DRS210091">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414890</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW5_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317172" center_name="RIKEN" accession="DRX317172">
        <TITLE>GF_EW6_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210092" refcenter="RIKEN_IMS" accession="DRS210092">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414891</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW6_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317173" center_name="RIKEN" accession="DRX317173">
        <TITLE>GF_EW7_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210093" refcenter="RIKEN_IMS" accession="DRS210093">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414892</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW7_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317174" center_name="RIKEN" accession="DRX317174">
        <TITLE>GF_NW1_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210094" refcenter="RIKEN_IMS" accession="DRS210094">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414893</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW1_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317175" center_name="RIKEN" accession="DRX317175">
        <TITLE>GF_NW2_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210095" refcenter="RIKEN_IMS" accession="DRS210095">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414894</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW2_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317176" center_name="RIKEN" accession="DRX317176">
        <TITLE>GF_NW3_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210096" refcenter="RIKEN_IMS" accession="DRS210096">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414895</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW3_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317177" center_name="RIKEN" accession="DRX317177">
        <TITLE>GF_NW4_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210097" refcenter="RIKEN_IMS" accession="DRS210097">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414896</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW4_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317178" center_name="RIKEN" accession="DRX317178">
        <TITLE>GF_NW5_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210098" refcenter="RIKEN_IMS" accession="DRS210098">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414897</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW5_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317179" center_name="RIKEN" accession="DRX317179">
        <TITLE>GF_NW6_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210099" refcenter="RIKEN_IMS" accession="DRS210099">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414898</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW6_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317180" center_name="RIKEN" accession="DRX317180">
        <TITLE>GF_NW7_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210100" refcenter="RIKEN_IMS" accession="DRS210100">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414899</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW7_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317181" center_name="RIKEN" accession="DRX317181">
        <TITLE>GF_NW8_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210101" refcenter="RIKEN_IMS" accession="DRS210101">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414900</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW8_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317182" center_name="RIKEN" accession="DRX317182">
        <TITLE>GF_NW1_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210102" refcenter="RIKEN_IMS" accession="DRS210102">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414901</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW1_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317183" center_name="RIKEN" accession="DRX317183">
        <TITLE>GF_NW2_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210103" refcenter="RIKEN_IMS" accession="DRS210103">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414902</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW2_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317184" center_name="RIKEN" accession="DRX317184">
        <TITLE>GF_NW3_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209966" refcenter="RIKEN_IMS" accession="DRS209966">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414765</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW3_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317185" center_name="RIKEN" accession="DRX317185">
        <TITLE>GF_NW4_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209967" refcenter="RIKEN_IMS" accession="DRS209967">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414766</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW4_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317186" center_name="RIKEN" accession="DRX317186">
        <TITLE>GF_NW5_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209968" refcenter="RIKEN_IMS" accession="DRS209968">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414767</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW5_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317187" center_name="RIKEN" accession="DRX317187">
        <TITLE>GF_NW6_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209969" refcenter="RIKEN_IMS" accession="DRS209969">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414768</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW6_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317188" center_name="RIKEN" accession="DRX317188">
        <TITLE>GF_NW7_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209970" refcenter="RIKEN_IMS" accession="DRS209970">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414769</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW7_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317189" center_name="RIKEN" accession="DRX317189">
        <TITLE>GF_NW8_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209971" refcenter="RIKEN_IMS" accession="DRS209971">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414770</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW8_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317190" center_name="RIKEN" accession="DRX317190">
        <TITLE>GF_EW8_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209972" refcenter="RIKEN_IMS" accession="DRS209972">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414771</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW8_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317191" center_name="RIKEN" accession="DRX317191">
        <TITLE>GF_EW9_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209973" refcenter="RIKEN_IMS" accession="DRS209973">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414772</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW9_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317192" center_name="RIKEN" accession="DRX317192">
        <TITLE>GF_EW10_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209974" refcenter="RIKEN_IMS" accession="DRS209974">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414773</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW10_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317193" center_name="RIKEN" accession="DRX317193">
        <TITLE>GF_EW11_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209975" refcenter="RIKEN_IMS" accession="DRS209975">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414774</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW11_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317194" center_name="RIKEN" accession="DRX317194">
        <TITLE>GF_EW12_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209976" refcenter="RIKEN_IMS" accession="DRS209976">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414775</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW12_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317195" center_name="RIKEN" accession="DRX317195">
        <TITLE>GF_EW13_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209977" refcenter="RIKEN_IMS" accession="DRS209977">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414776</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW13_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317196" center_name="RIKEN" accession="DRX317196">
        <TITLE>GF_EW14_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209978" refcenter="RIKEN_IMS" accession="DRS209978">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414777</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW14_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317197" center_name="RIKEN" accession="DRX317197">
        <TITLE>GF_EW15_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209979" refcenter="RIKEN_IMS" accession="DRS209979">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414778</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW15_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317198" center_name="RIKEN" accession="DRX317198">
        <TITLE>GF_EW16_1 Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209980" refcenter="RIKEN_IMS" accession="DRS209980">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414779</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW16_1 Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317199" center_name="RIKEN" accession="DRX317199">
        <TITLE>GF_EW8_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209981" refcenter="RIKEN_IMS" accession="DRS209981">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414780</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW8_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317200" center_name="RIKEN" accession="DRX317200">
        <TITLE>GF_EW9_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209982" refcenter="RIKEN_IMS" accession="DRS209982">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414781</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW9_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317201" center_name="RIKEN" accession="DRX317201">
        <TITLE>GF_EW10_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209983" refcenter="RIKEN_IMS" accession="DRS209983">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414782</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW10_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317202" center_name="RIKEN" accession="DRX317202">
        <TITLE>GF_EW11_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209984" refcenter="RIKEN_IMS" accession="DRS209984">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414783</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW11_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317203" center_name="RIKEN" accession="DRX317203">
        <TITLE>GF_EW12_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209985" refcenter="RIKEN_IMS" accession="DRS209985">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414784</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW12_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317204" center_name="RIKEN" accession="DRX317204">
        <TITLE>GF_EW13_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209986" refcenter="RIKEN_IMS" accession="DRS209986">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414785</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW13_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317205" center_name="RIKEN" accession="DRX317205">
        <TITLE>GF_EW14_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209987" refcenter="RIKEN_IMS" accession="DRS209987">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414786</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW14_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317206" center_name="RIKEN" accession="DRX317206">
        <TITLE>GF_EW15_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209988" refcenter="RIKEN_IMS" accession="DRS209988">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414787</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW15_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317207" center_name="RIKEN" accession="DRX317207">
        <TITLE>GF_EW16_4 Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209989" refcenter="RIKEN_IMS" accession="DRS209989">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414788</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW16_4 Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317208" center_name="RIKEN" accession="DRX317208">
        <TITLE>GF_NW9_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209990" refcenter="RIKEN_IMS" accession="DRS209990">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414789</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW9_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317209" center_name="RIKEN" accession="DRX317209">
        <TITLE>GF_NW10_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209991" refcenter="RIKEN_IMS" accession="DRS209991">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414790</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW10_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317210" center_name="RIKEN" accession="DRX317210">
        <TITLE>GF_NW11_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209992" refcenter="RIKEN_IMS" accession="DRS209992">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414791</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW11_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317211" center_name="RIKEN" accession="DRX317211">
        <TITLE>GF_NW12_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209993" refcenter="RIKEN_IMS" accession="DRS209993">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414792</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW12_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317212" center_name="RIKEN" accession="DRX317212">
        <TITLE>GF_NW13_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209994" refcenter="RIKEN_IMS" accession="DRS209994">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414793</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW13_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317213" center_name="RIKEN" accession="DRX317213">
        <TITLE>GF_NW14_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209995" refcenter="RIKEN_IMS" accession="DRS209995">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414794</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW14_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317214" center_name="RIKEN" accession="DRX317214">
        <TITLE>GF_NW15_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209996" refcenter="RIKEN_IMS" accession="DRS209996">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414795</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW15_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317215" center_name="RIKEN" accession="DRX317215">
        <TITLE>GF_NW16_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209997" refcenter="RIKEN_IMS" accession="DRS209997">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414796</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW16_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317216" center_name="RIKEN" accession="DRX317216">
        <TITLE>GF_NW17_1 Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209998" refcenter="RIKEN_IMS" accession="DRS209998">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414797</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW17_1 Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317217" center_name="RIKEN" accession="DRX317217">
        <TITLE>GF_NW9_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS209999" refcenter="RIKEN_IMS" accession="DRS209999">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414798</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW9_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317218" center_name="RIKEN" accession="DRX317218">
        <TITLE>GF_NW10_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210000" refcenter="RIKEN_IMS" accession="DRS210000">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414799</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW10_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317219" center_name="RIKEN" accession="DRX317219">
        <TITLE>GF_NW11_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210001" refcenter="RIKEN_IMS" accession="DRS210001">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414800</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW11_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317220" center_name="RIKEN" accession="DRX317220">
        <TITLE>GF_NW12_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210002" refcenter="RIKEN_IMS" accession="DRS210002">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414801</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW12_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317221" center_name="RIKEN" accession="DRX317221">
        <TITLE>GF_NW13_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210003" refcenter="RIKEN_IMS" accession="DRS210003">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414802</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW13_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317222" center_name="RIKEN" accession="DRX317222">
        <TITLE>GF_NW14_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210004" refcenter="RIKEN_IMS" accession="DRS210004">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414803</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW14_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317223" center_name="RIKEN" accession="DRX317223">
        <TITLE>GF_NW15_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210005" refcenter="RIKEN_IMS" accession="DRS210005">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414804</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW15_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317224" center_name="RIKEN" accession="DRX317224">
        <TITLE>GF_NW16_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210006" refcenter="RIKEN_IMS" accession="DRS210006">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414805</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW16_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317225" center_name="RIKEN" accession="DRX317225">
        <TITLE>GF_NW17_4 Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210007" refcenter="RIKEN_IMS" accession="DRS210007">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414806</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW17_4 Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317226" center_name="RIKEN" accession="DRX317226">
        <TITLE>GF_NW18_1_GF Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210008" refcenter="RIKEN_IMS" accession="DRS210008">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414807</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW18_1_GF Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317227" center_name="RIKEN" accession="DRX317227">
        <TITLE>GF_NW19_1_GF Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210009" refcenter="RIKEN_IMS" accession="DRS210009">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414808</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW19_1_GF Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317228" center_name="RIKEN" accession="DRX317228">
        <TITLE>GF_NW20_1_GF Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210010" refcenter="RIKEN_IMS" accession="DRS210010">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414809</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW20_1_GF Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317229" center_name="RIKEN" accession="DRX317229">
        <TITLE>GF_NW21_1_GF Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210011" refcenter="RIKEN_IMS" accession="DRS210011">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414810</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW21_1_GF Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317230" center_name="RIKEN" accession="DRX317230">
        <TITLE>GF_NW22_1_GF Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210012" refcenter="RIKEN_IMS" accession="DRS210012">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414811</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW22_1_GF Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317231" center_name="RIKEN" accession="DRX317231">
        <TITLE>GF_NW23_1_GF Normal weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210013" refcenter="RIKEN_IMS" accession="DRS210013">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414812</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW23_1_GF Normal weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317232" center_name="RIKEN" accession="DRX317232">
        <TITLE>GF_EW17_1_GF Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210014" refcenter="RIKEN_IMS" accession="DRS210014">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414813</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW17_1_GF Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317233" center_name="RIKEN" accession="DRX317233">
        <TITLE>GF_EW18_1_GF Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210015" refcenter="RIKEN_IMS" accession="DRS210015">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414814</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW18_1_GF Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317234" center_name="RIKEN" accession="DRX317234">
        <TITLE>GF_EW19_1_GF Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210016" refcenter="RIKEN_IMS" accession="DRS210016">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414815</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW19_1_GF Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317235" center_name="RIKEN" accession="DRX317235">
        <TITLE>GF_EW20_1_GF Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210017" refcenter="RIKEN_IMS" accession="DRS210017">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414816</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW20_1_GF Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317236" center_name="RIKEN" accession="DRX317236">
        <TITLE>GF_EW21_1_GF Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210018" refcenter="RIKEN_IMS" accession="DRS210018">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414817</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW21_1_GF Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317237" center_name="RIKEN" accession="DRX317237">
        <TITLE>GF_EW22_1_GF Early weaning 4 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210019" refcenter="RIKEN_IMS" accession="DRS210019">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414818</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW22_1_GF Early weaning 4 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317238" center_name="RIKEN" accession="DRX317238">
        <TITLE>GF_NW18_4_GF Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210020" refcenter="RIKEN_IMS" accession="DRS210020">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414819</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW18_4_GF Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317239" center_name="RIKEN" accession="DRX317239">
        <TITLE>GF_NW19_4_GF Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210021" refcenter="RIKEN_IMS" accession="DRS210021">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414820</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW19_4_GF Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317240" center_name="RIKEN" accession="DRX317240">
        <TITLE>GF_NW20_4_GF Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210022" refcenter="RIKEN_IMS" accession="DRS210022">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414821</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW20_4_GF Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317241" center_name="RIKEN" accession="DRX317241">
        <TITLE>GF_NW21_4_GF Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210023" refcenter="RIKEN_IMS" accession="DRS210023">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414822</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW21_4_GF Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317242" center_name="RIKEN" accession="DRX317242">
        <TITLE>GF_NW22_4_GF Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210024" refcenter="RIKEN_IMS" accession="DRS210024">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414823</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW22_4_GF Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317243" center_name="RIKEN" accession="DRX317243">
        <TITLE>GF_NW23_4_GF Normal weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210025" refcenter="RIKEN_IMS" accession="DRS210025">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414824</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_NW23_4_GF Normal weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317244" center_name="RIKEN" accession="DRX317244">
        <TITLE>GF_EW17_4_GF Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210026" refcenter="RIKEN_IMS" accession="DRS210026">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414825</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW17_4_GF Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317245" center_name="RIKEN" accession="DRX317245">
        <TITLE>GF_EW18_4_GF Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210027" refcenter="RIKEN_IMS" accession="DRS210027">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414826</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW18_4_GF Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317246" center_name="RIKEN" accession="DRX317246">
        <TITLE>GF_EW19_4_GF Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210028" refcenter="RIKEN_IMS" accession="DRS210028">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414827</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW19_4_GF Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317247" center_name="RIKEN" accession="DRX317247">
        <TITLE>GF_EW20_4_GF Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210029" refcenter="RIKEN_IMS" accession="DRS210029">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414828</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW20_4_GF Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317248" center_name="RIKEN" accession="DRX317248">
        <TITLE>GF_EW21_4_GF Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210030" refcenter="RIKEN_IMS" accession="DRS210030">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414829</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW21_4_GF Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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 alias="DRX317249" center_name="RIKEN" accession="DRX317249">
        <TITLE>GF_EW22_4_GF Early weaning 8 weeks</TITLE>
        <STUDY_REF refname="DRP007895" refcenter="RIKEN_IMS" accession="DRP007895">
            <IDENTIFIERS>
                <PRIMARY_ID label="BioProject ID">PRJDB12573</PRIMARY_ID>
            </IDENTIFIERS>
        </STUDY_REF>
        <DESIGN>
            <DESIGN_DESCRIPTION></DESIGN_DESCRIPTION>
            <SAMPLE_DESCRIPTOR refname="DRS210031" refcenter="RIKEN_IMS" accession="DRS210031">
                <IDENTIFIERS>
                    <PRIMARY_ID label="BioSample ID">SAMD00414830</PRIMARY_ID>
                </IDENTIFIERS>
            </SAMPLE_DESCRIPTOR>
            <LIBRARY_DESCRIPTOR>
                <LIBRARY_NAME>GF_EW22_4_GF Early weaning 8 weeks</LIBRARY_NAME>
                <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
                <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
                <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
                <LIBRARY_LAYOUT>
                    <PAIRED NOMINAL_LENGTH="440"/>
                </LIBRARY_LAYOUT>
                <LIBRARY_CONSTRUCTION_PROTOCOL>PCR-amplicons of V3-V4_region of the bacteria 16S ribosomal RNA gene</LIBRARY_CONSTRUCTION_PROTOCOL>
            </LIBRARY_DESCRIPTOR>
            <SPOT_DESCRIPTOR>
                <SPOT_DECODE_SPEC>
                    <SPOT_LENGTH>600</SPOT_LENGTH>
                    <READ_SPEC>
                        <READ_INDEX>0</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Forward</READ_TYPE>
                        <BASE_COORD>1</BASE_COORD>
                    </READ_SPEC>
                    <READ_SPEC>
                        <READ_INDEX>1</READ_INDEX>
                        <READ_CLASS>Application Read</READ_CLASS>
                        <READ_TYPE>Reverse</READ_TYPE>
                        <BASE_COORD>301</BASE_COORD>
                    </READ_SPEC>
                </SPOT_DECODE_SPEC>
            </SPOT_DESCRIPTOR>
        </DESIGN>
        <PLATFORM>
            <ILLUMINA>
                <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
            </ILLUMINA>
        </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>
