{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["7(3)"],"submitter":["Yanagawa K"],"pubmed_abstract":["Sediment-hosting hydrothermal systems in the Okinawa Trough maintain a large amount of liquid, supercritical and hydrate phases of CO(2) in the seabed. The emission of CO(2) may critically impact the geochemical, geophysical and ecological characteristics of the deep-sea sedimentary environment. So far it remains unclear whether microbial communities that have been detected in such high-CO(2) and low-pH habitats are metabolically active, and if so, what the biogeochemical and ecological consequences for the environment are. In this study, RNA-based molecular approaches and radioactive tracer-based respiration rate assays were combined to study the density, diversity and metabolic activity of microbial communities in CO(2)-seep sediment at the Yonaguni Knoll IV hydrothermal field of the sou"],"journal":["The ISME journal"],"pagination":["555-67"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC3578575"],"repository":["biostudies-literature"],"pubmed_title":["Metabolically active microbial communities in marine sediment under high-CO(2) and low-pH extremes."],"pmcid":["PMC3578575"],"pubmed_authors":["Haeckel M","Boetius A","Sunamura M","Hoshino T","Urabe T","Nakamura K","de Beer D","Futagami T","Yanagawa K","Terada T","Inagaki F","Rehder G","Morono Y"],"additional_accession":[]},"is_claimable":false,"name":"Metabolically active microbial communities in marine sediment under high-CO(2) and low-pH extremes.","description":"Sediment-hosting hydrothermal systems in the Okinawa Trough maintain a large amount of liquid, supercritical and hydrate phases of CO(2) in the seabed. The emission of CO(2) may critically impact the geochemical, geophysical and ecological characteristics of the deep-sea sedimentary environment. So far it remains unclear whether microbial communities that have been detected in such high-CO(2) and low-pH habitats are metabolically active, and if so, what the biogeochemical and ecological consequences for the environment are. In this study, RNA-based molecular approaches and radioactive tracer-based respiration rate assays were combined to study the density, diversity and metabolic activity of microbial communities in CO(2)-seep sediment at the Yonaguni Knoll IV hydrothermal field of the sou","dates":{"release":"2013-01-01T00:00:00Z","publication":"2013 Mar","modification":"2026-05-03T14:09:24.546Z","creation":"2026-04-07T19:14:46.041Z"},"accession":"S-EPMC3578575","cross_references":{"pubmed":["23096400"],"doi":["10.1038/ismej.2012.124"]}}