Abstract:
:Microbiology of a hypersaline oil reservoir located in Central Africa was investigated with molecular and culture methods applied to preserved core samples. Here we show that the community structure was partially acquired during sedimentation, as many prokaryotic 16S rRNA gene sequences retrieved from the extracted DNA are phylogenetically related to actual Archaea inhabiting surface evaporitic environments, similar to the Cretaceous sediment paleoenvironment. Results are discussed in term of microorganisms and/or DNA preservation in such hypersaline and Mg-rich solutions. High salt concentrations together with anaerobic conditions could have preserved microbial/molecular diversity originating from the ancient sediment basin wherein organic matter was deposited.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Gales G,Tsesmetzis N,Neria I,Alazard D,Coulon S,Lomans BP,Morin D,Ollivier B,Borgomano J,Joulian Cdoi
10.1038/srep22960subject
Has Abstractpub_date
2016-03-11 00:00:00pages
22960issn
2045-2322pii
srep22960journal_volume
6pub_type
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