organism: rat gut metagenome
attributes.tag: strain
attributes.value: missing
attributes.tag: isolate
attributes.value: missing
attributes.tag: breed
attributes.value: Sprague-Dawley
attributes.tag: cultivar
attributes.value: missing
attributes.tag: ecotype
attributes.value: missing
attributes.tag: age
attributes.value: 12 weeks
attributes.tag: dev_stage
attributes.value: missing
attributes.tag: sex
attributes.value: male
attributes.tag: tissue
attributes.value: feces
attributes.tag: biomaterial_provider
attributes.value: Guangdong Medical Laboratory Animal Center
attributes.tag: death_date
attributes.value: 2018-2-25T16：00
attributes.tag: sample_type
attributes.value: DNA
attributes.tag: treatment
attributes.value: saline
attributes.tag: collection_date
attributes.value: missing
attributes.tag: geo_loc_name
attributes.value: missing
attributes.tag: host
attributes.value: missing
attributes.tag: isolation_source
attributes.value: missing
attributes.tag: lat_lon
attributes.value: missing
attributes.tag: BioSampleModel
attributes.value: Metagenome or environmental