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Int J Syst Evol Microbiol 57 (2007), 2699-2702; DOI  10.1099/ijs.0.65240-0
© 2007 International Union of Microbiological Societies

Desulfatiferula olefinivorans gen. nov., sp. nov., a long-chain n-alkene-degrading, sulfate-reducing bacterium

Cristiana Cravo-Laureau1, Cindy Labat2, Catherine Joulian2,{dagger}, Robert Matheron3 and Agnès Hirschler-Réa2

1 Equipe Environnement et Microbiologie, IPREM UMR 5254, IBEAS Université de Pau et des Pays de l'Adour, BP1155, 64013 Pau cedex, France
2 Laboratoire de Microbiologie et Biotechnologie des Environnements Chauds, IRD, UMR_D 180 IFR-BAIM, case 925, Universités de Provence et de la Méditerranée, 163 avenue de Luminy, 13288 Marseille cedex 9, France
3 Laboratoire d'Ecologie Microbienne, IMEP UMR 6116, Université Paul Cézanne, Faculté des Sciences et Techniques de Saint-Jérôme, 13397 Marseille cedex 20, France

Correspondence
Cristiana Cravo-Laureau
cristiana.cravo-laureau{at}univ-pau.fr

A novel anaerobic, long-chain alkene-degrading, sulfate-reducing bacterium, strain LM2801T, was isolated from brackish sediment of a wastewater decantation facility of an oil refinery (Berre lagoon, France). Cells of strain LM2801T were Gram-negative, motile, slightly curved or vibrioid rods. Its optimum growth conditions were 30–36 °C, 6–10 g NaCl l–1 and pH 7.5. Strain LM2801T incompletely oxidized long-chain alkenes (from C14 to C23) and fatty acids (C14 to C24). The DNA G+C content was 45.5 mol%. Sequence analyses of the 16S rRNA and dsrAB genes indicated that the strain was a member of the family Desulfobacteraceae within the Deltaproteobacteria. This novel isolate possesses phenotypic and phylogenetic traits that do not allow its classification as a member of any previously described genus. Therefore, strain LM2801T is described as a member of a new genus, Desulfatiferula gen. nov., of which Desulfatiferula olefinivorans sp. nov. is the type species. The type strain of Desulfatiferula olefinivorans is LM2801T (=DSM 18843T =JCM 14469T).

{dagger}Present address: BRGM, Service Environnement et Procédés, Unité Biotechnologies, 3 av. Claude Guillemin, 45060 Orléans, France.

The GenBank/EMBL/DDBJ accession numbers for the 16S rRNA and dsrAB gene sequences of strain LM2801T are respectively DQ826724 and DQ826725.

A phase-contrast photomicrograph of cells of strain LM2801T is available as supplementary material with the online version of this paper.






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Copyright © 2007 by the International Union of Microbiological Societies.