Anaerobic Oxidation of Fatty Acids and Alkenes by the Hyperthermophilic Sulfate-Reducing Archaeon Archaeoglobus fulgidus

Nadia Khélifi; Vincent Grossi; Moktar Hamdi; Alain Dolla; Jean-Luc Tholozan; Bernard Ollivier; Agnès Hirschler-Réa

doi:10.1128/AEM.02810-09

Journal articles

Anaerobic Oxidation of Fatty Acids and Alkenes by the Hyperthermophilic Sulfate-Reducing Archaeon Archaeoglobus fulgidus

Nadia Khélifi ^{1, 2} Vincent Grossi ³ Moktar Hamdi ¹ Alain Dolla ⁴ Jean-Luc Tholozan ² Bernard Ollivier ² Agnès Hirschler-Réa ^{2, *}

* Corresponding author

1 Laboratoire d'Ecologie et de Technologie Microbienne

2 ESIL GMBA - Laboratoire de Microbiologie IRD

3 PEPS - PaleoEnvironnements et PaleobioSphere

4 IMR - Interactions et Modulateurs de Réponses

Abstract : Archaeoglobus fulgidus oxidizes fatty acids (C(4) to C(18)) and n-alk-1-enes (C(12:1) to C(21:1)) in the presence of thiosulfate as a terminal electron acceptor. End products of metabolism were CO(2) and sulfide. Growth on perdeuterated hexadecene yielded C(15)- to C(17)-labeled fatty acids as metabolites, thus confirming the ability of A. fulgidus to oxidize alkyl chains.

Keywords : SP NOV. GEN. NOV. GENOME SEQUENCE OIL-RESERVOIRS NORTH-SEA BACTERIUM DESULFATIBACILLUM ALKANES METABOLISM ARCHAEBACTERIA SP NOV GEN. NOV

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Anaerobic Oxidation of Fatty Acids and Alkenes by the Hyperthermophilic Sulfate-Reducing Archaeon Archaeoglobus fulgidus

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Anaerobic Oxidation of Fatty Acids and Alkenes by the Hyperthermophilic Sulfate-Reducing Archaeon Archaeoglobus fulgidus

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