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    <TITLE>16S rRNA gene sequencing of cecal and colonic contents derived from SPF C3-/- adults (n=5)</TITLE>
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    <TITLE>16S rRNA gene sequencing of stomach contents derived from SPF WT C57Bl/6J pups (n=5)</TITLE>
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    <TITLE>16S rRNA gene sequencing of stomach contents derived from SPF C1qc-/- pups (n=5)</TITLE>
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    <TITLE>16S rRNA gene sequencing of stomach contents derived from SPF C3-/- pups (n=5)</TITLE>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_age</TAG>
        <VALUE>14 days</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_disease</TAG>
        <VALUE>none, healthy</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_genotype</TAG>
        <VALUE>C1qc-/-</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_tissue_sampled</TAG>
        <VALUE>small intestinal contents</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample_type</TAG>
        <VALUE>16S rRNA gene sequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.specimen</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.host-associated</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SPF C3-/- pup small intestine_16S" accession="SRS20062222">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS20062222</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN39239513</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>16S rRNA gene sequencing of small intestinal contents derived from SPF C3-/- pups (n=4)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410661</TAXON_ID>
      <SCIENTIFIC_NAME>mouse gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Total genomic DNA from small intestinal contents derived from 14-day-old specific pathogen free (SPF) C3-/- mice was extracted using PureLink Microbiome DNA Purification Kit (Thermo Fisher Scientific). The V4 region of 16S rRNA gene were amplified with the published primer pair of 515F and 806R, followed by sequencing using an Ion S5 XL platform and 400 bp single-end reads were generated.</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>796457</ID>
          <LABEL>PRJNA796457</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6 background</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>USA: Baltimore</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Mus musculus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isol_growth_condt</TAG>
        <VALUE>29420293</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_age</TAG>
        <VALUE>14 days</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_disease</TAG>
        <VALUE>none, healthy</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_genotype</TAG>
        <VALUE>C3-/-</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_tissue_sampled</TAG>
        <VALUE>small intestinal contents</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample_type</TAG>
        <VALUE>16S rRNA gene sequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>4</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.specimen</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.host-associated</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SPF WT C57Bl/6J dam milk_16S" accession="SRS20062223">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS20062223</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN39239514</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>16S rRNA gene sequencing of breast milk contents derived from SPF WT C57Bl/6J pups (n=4)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410661</TAXON_ID>
      <SCIENTIFIC_NAME>mouse gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Total genomic DNA from breast milk contents derived from specific pathogen free (SPF) WT C57Bl/6J dams at postpartum 14 days was extracted using the Milk Bacterial DNA isolation Kit (Norgen Bioteck), with supplemented lysostaphin for lysing lysozyme-resistant gram-positive bacteria. The V4 region of 16S rRNA gene were amplified with the published primer pair of 515F and 806R, followed by sequencing using an Ion S5 XL platform and 400 bp single-end reads were generated.</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>796457</ID>
          <LABEL>PRJNA796457</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6 background</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>USA: Baltimore</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Mus musculus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isol_growth_condt</TAG>
        <VALUE>29420293</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_age</TAG>
        <VALUE>postpartum 14 days</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_disease</TAG>
        <VALUE>none, healthy</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_genotype</TAG>
        <VALUE>wild-type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_tissue_sampled</TAG>
        <VALUE>breast milk contents</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample_type</TAG>
        <VALUE>16S rRNA gene sequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>4</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.specimen</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.host-associated</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SPF C1qc-/- dam milk_16S" accession="SRS20062224">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS20062224</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN39239515</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>16S rRNA gene sequencing of breast milk contents derived from SPF C1qc-/- pups (n=5)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410661</TAXON_ID>
      <SCIENTIFIC_NAME>mouse gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Total genomic DNA from breast milk contents derived from specific pathogen free (SPF) C1qc-/- dams at postpartum 14 days was extracted using the Milk Bacterial DNA isolation Kit (Norgen Bioteck), with supplemented lysostaphin for lysing lysozyme-resistant gram-positive bacteria. The V4 region of 16S rRNA gene were amplified with the published primer pair of 515F and 806R, followed by sequencing using an Ion S5 XL platform and 400 bp single-end reads were generated.</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>796457</ID>
          <LABEL>PRJNA796457</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6 background</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>USA: Baltimore</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Mus musculus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isol_growth_condt</TAG>
        <VALUE>29420293</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_age</TAG>
        <VALUE>postpartum 14 days</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_disease</TAG>
        <VALUE>none, healthy</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_genotype</TAG>
        <VALUE>C1qc-/-</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_tissue_sampled</TAG>
        <VALUE>breast milk contents</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample_type</TAG>
        <VALUE>16S rRNA gene sequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>5</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.specimen</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.host-associated</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SPF C1qc-/- adults_16S" accession="SRS20062225">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS20062225</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN39239506</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>16S rRNA gene sequencing of cecal and colonic contents derived from SPF C1qc-/- adults (n=5)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410661</TAXON_ID>
      <SCIENTIFIC_NAME>mouse gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Total genomic DNA from cecal and colonic contents derived from 8-week-old specific pathogen free (SPF) C1qc-/- mice was extracted using phenol:chloroform:isoamyl alcohol solution following extensive bacterial interruption and lysis with Silica glass beads. The V4 region of 16S rRNA gene were amplified with the published primer pair of 515F and 806R, followed by sequencing using an Ion S5 XL platform and 400 bp single-end reads were generated.</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>796457</ID>
          <LABEL>PRJNA796457</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6 background</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>USA: Baltimore</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Mus musculus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isol_growth_condt</TAG>
        <VALUE>29420293</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_age</TAG>
        <VALUE>8 weeks</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_disease</TAG>
        <VALUE>none, healthy</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_genotype</TAG>
        <VALUE>C1qc-/-</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_tissue_sampled</TAG>
        <VALUE>cecal and colonic contents</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample_type</TAG>
        <VALUE>16S rRNA gene sequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>5</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.specimen</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.host-associated</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SPF C3-/- dam milk_16S" accession="SRS20062226">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS20062226</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN39239516</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>16S rRNA gene sequencing of breast milk contents derived from SPF C3-/- pups (n=4)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410661</TAXON_ID>
      <SCIENTIFIC_NAME>mouse gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Total genomic DNA from breast milk contents derived from specific pathogen free (SPF) C3-/- dams at postpartum 14 days was extracted using the Milk Bacterial DNA isolation Kit (Norgen Bioteck), with supplemented lysostaphin for lysing lysozyme-resistant gram-positive bacteria. The V4 region of 16S rRNA gene were amplified with the published primer pair of 515F and 806R, followed by sequencing using an Ion S5 XL platform and 400 bp single-end reads were generated.</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>796457</ID>
          <LABEL>PRJNA796457</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6 background</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>USA: Baltimore</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Mus musculus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isol_growth_condt</TAG>
        <VALUE>29420293</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>NA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_age</TAG>
        <VALUE>postpartum 14 days</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_disease</TAG>
        <VALUE>none, healthy</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_genotype</TAG>
        <VALUE>C3-/-</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_tissue_sampled</TAG>
        <VALUE>breast milk contents</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample_type</TAG>
        <VALUE>16S rRNA gene sequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>samp_size</TAG>
        <VALUE>4</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.specimen</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.host-associated</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
