1284369 stomach metagenome investigation type mimarks-survey sequencing method pyrosequencing collection date 2010 host body site Mucosa of stomach human-associated environmental package human-associated geographic location (latitude) 1.81 DD geographic location (longitude) -78.76 DD geographic location (country and/or sea) Colombia geographic location (region and locality) Tumaco environment (biome) coast environment (feature) human-associated habitat environment (material) gastric biopsy ENA-CHECKLIST ERC000011