{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["15(1)"],"submitter":["Sanchez-Roman M"],"pubmed_abstract":["Microbial impacts on early carbonate diagenesis, particularly the formation of Mg-carbonates at low temperatures, have long eluded scientists. Our breakthrough laboratory experiments with two species of halophilic aerobic bacteria and marine carbonate grains reveal that these bacteria created a distinctive protodolomite (disordered dolomite) rim around the grains. Scanning Electron Microscopy (SEM) and X-ray Diffraction (XRD) confirmed the protodolomite formation, while solid-state nuclear magnetic resonance (NMR) revealed bacterial interactions with carboxylated organic matter, such as extracellular polymeric substances (EPS). We observed a significant carbon isotope fractionation (average δ<sup>13</sup>C = 11.3‰) and notable changes in Mg/Ca ratios throughout the experiments. Initial med"],"journal":["Scientific reports"],"pagination":["561"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11696100"],"repository":["biostudies-literature"],"pubmed_title":["The hidden role of heterotrophic bacteria in early carbonate diagenesis."],"pmcid":["PMC11696100"],"pubmed_authors":["Sanchez-Roman M","Reijmer J","Vahrenkamp V","Areias C","Chandra V","Mulder S"],"additional_accession":[]},"is_claimable":false,"name":"The hidden role of heterotrophic bacteria in early carbonate diagenesis.","description":"Microbial impacts on early carbonate diagenesis, particularly the formation of Mg-carbonates at low temperatures, have long eluded scientists. Our breakthrough laboratory experiments with two species of halophilic aerobic bacteria and marine carbonate grains reveal that these bacteria created a distinctive protodolomite (disordered dolomite) rim around the grains. Scanning Electron Microscopy (SEM) and X-ray Diffraction (XRD) confirmed the protodolomite formation, while solid-state nuclear magnetic resonance (NMR) revealed bacterial interactions with carboxylated organic matter, such as extracellular polymeric substances (EPS). We observed a significant carbon isotope fractionation (average δ<sup>13</sup>C = 11.3‰) and notable changes in Mg/Ca ratios throughout the experiments. Initial med","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Jan","modification":"2025-04-22T08:59:30.685Z","creation":"2025-04-05T22:52:27.441Z"},"accession":"S-EPMC11696100","cross_references":{"pubmed":["39747618"],"doi":["10.1038/s41598-024-84407-y"]}}