SRS7896908 SAMN17109118 749906 gut metagenome 21 bioproject 685321 PRJNA685321 collection_date 2016-04-15 env_broad_scale feces env_local_scale feces env_medium feces geo_loc_name Poland host Rattus rattus lat_lon 53.47 N 20.30 E BioSampleModel MIMARKS.survey BioSampleModel MIGS/MIMS/MIMARKS.host-associated