Publications des scientifiques de l'IRD

Gales G., Tsesmetzis N., Neria I., Alazard Didier, Coulon S., Lomans B. P., Morin D., Ollivier Bernard, Borgomano J., Joulian C. (2016). Preservation of ancestral Cretaceous microflora recovered from a hypersaline oil reservoir. Scientific Reports - Nature, 6, p. art. 22960 [10 p.]. ISSN 2045-2322.

Titre du document
Preservation of ancestral Cretaceous microflora recovered from a hypersaline oil reservoir
Année de publication
2016
Type de document
Article référencé dans le Web of Science WOS:000371776000001
Auteurs
Gales G., Tsesmetzis N., Neria I., Alazard Didier, Coulon S., Lomans B. P., Morin D., Ollivier Bernard, Borgomano J., Joulian C.
Source
Scientific Reports - Nature, 2016, 6, p. art. 22960 [10 p.] ISSN 2045-2322
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.
Plan de classement
Ecologie, systèmes aquatiques [036] ; Géologie et formations superficielles [064] ; Biotechnologies [084]
Description Géographique
AFRIQUE CENTRALE
Localisation
Fonds IRD [F B010066671]
Identifiant IRD
fdi:010066671
Contact