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Methanotroph-derived bacteriohopanepolyol signatures in sediments covering Miocene brown coal deposits

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cris.lastimport.scopus2024-02-12T20:18:14Z
dc.abstract.enMethanotrophic bacteria (MB) are an important group of microorganisms, involved in the greenhouse gas (GHG) cycles. They are responsible for the utilization of methane, one of the main GHGs, which is released in large amounts (via biogenic and abiogenic processes) during coal formation. This study aimed to determine the main factors affecting the distribution of the MB in two lignite-bearing series of the Turów and Bełchatów coal basins. Distribution of MB in the lignite profiles was studied using methanotroph-specific lipid biomarkers such as amino-bacteriohopanepolyols (NH-BHPs) and C-3 methylated BHPs. BHP results were combined with physical and chemical properties of the studied sediments. In general, lignites were richer in BHPs than the mineral samples, which points to the important role of the intrinsic methane cycling. NH-BHP speciation confirmed that the methanotrophic community of the studied sediments was a combination of both type I and, especially, type II methanotrophs. Based on geological data, it was suggested that elevated temperature during diagenesis intensifies decomposition of methanotroph-specific biomarkers (aminopentol and 3-Me BHT). It was found that the tested BHPs can derive from both fossil and living MB. The presence of metabolically active methanotrophs should therefore be accounted for during studies aimed at using lignite deposits as a source of methane.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorBanach, Artur
dc.contributor.authorSparkes, Robert
dc.contributor.authorSłowakiewicz, Mirosław
dc.contributor.authorSzafranek-Nakonieczna, Anna
dc.contributor.authorPytlak, Anna
dc.contributor.authorGoraj, Weronika
dc.contributor.authorAkhmetkaliyeva, Saule
dc.date.accessioned2024-01-25T11:28:13Z
dc.date.available2024-01-25T11:28:13Z
dc.date.copyright2021-04-24
dc.date.issued2021
dc.description.accesstimeAT_PUBLICATION
dc.description.financePublikacja bezkosztowa
dc.description.versionFINAL_PUBLISHED
dc.description.volume242
dc.identifier.doi10.1016/J.COAL.2021.103759
dc.identifier.issn0166-5162
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/112354
dc.identifier.weblinkhttps://www.sciencedirect.com/science/article/abs/pii/S0166516221000860?via%3Dihub#!
dc.languageeng
dc.pbn.affiliationearth and related environmental sciences
dc.relation.ispartofInternational Journal of Coal Geology
dc.rightsCC-BY
dc.sciencecloudnosend
dc.subject.enBiomarkers
dc.subject.enMethanotrophy
dc.subject.enBacteriohopanepolyols
dc.subject.enMethane
dc.subject.enLignite
dc.subject.enMiocene
dc.titleMethanotroph-derived bacteriohopanepolyol signatures in sediments covering Miocene brown coal deposits
dc.typeJournalArticle
dspace.entity.typePublication