{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["13"],"submitter":["Meier AB"],"pubmed_abstract":["The importance of acetogens for H<sub>2</sub> turnover and overall anaerobic degradation in peatlands remains elusive. In the well-studied minerotrophic peatland fen Schlöppnerbrunnen, H<sub>2</sub>-consuming acetogens are conceptualized to be largely outcompeted by iron reducers, sulfate reducers, and hydrogenotrophic methanogens in bulk peat soil. However, in root zones of graminoids, fermenters thriving on rhizodeposits and root litter might temporarily provide sufficient H<sub>2</sub> for acetogens. In the present study, root-free peat soils from around the roots of <i>Molinia caerulea</i> and <i>Carex rostrata</i> (i.e., two graminoids common in fen Schlöpnnerbrunnen) were anoxically incubated with or without supplemental H<sub>2</sub> to simulate conditions of high and low H<sub>2</s"],"journal":["Frontiers in microbiology"],"pagination":["978296"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9391049"],"repository":["biostudies-literature"],"pubmed_title":["The root zone of graminoids: A niche for H<sub>2</sub>-consuming acetogens in a minerotrophic peatland."],"pmcid":["PMC9391049"],"pubmed_authors":["Schmidt O","Meier AB","Drake HL","Oppermann S"],"additional_accession":[]},"is_claimable":false,"name":"The root zone of graminoids: A niche for H<sub>2</sub>-consuming acetogens in a minerotrophic peatland.","description":"The importance of acetogens for H<sub>2</sub> turnover and overall anaerobic degradation in peatlands remains elusive. In the well-studied minerotrophic peatland fen Schlöppnerbrunnen, H<sub>2</sub>-consuming acetogens are conceptualized to be largely outcompeted by iron reducers, sulfate reducers, and hydrogenotrophic methanogens in bulk peat soil. However, in root zones of graminoids, fermenters thriving on rhizodeposits and root litter might temporarily provide sufficient H<sub>2</sub> for acetogens. In the present study, root-free peat soils from around the roots of <i>Molinia caerulea</i> and <i>Carex rostrata</i> (i.e., two graminoids common in fen Schlöpnnerbrunnen) were anoxically incubated with or without supplemental H<sub>2</sub> to simulate conditions of high and low H<sub>2</s","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022","modification":"2026-05-27T11:19:32.007Z","creation":"2024-11-06T07:22:09.717Z"},"accession":"S-EPMC9391049","cross_references":{"pubmed":["35992704"],"doi":["10.3389/fmicb.2022.978296"]}}