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  • Title: Desulfatibacillum alkenivorans sp. nov., a novel n-alkene-degrading, sulfate-reducing bacterium, and emended description of the genus Desulfatibacillum.
    Author: Cravo-Laureau C, Matheron R, Joulian C, Cayol JL, Hirschler-Réa A.
    Journal: Int J Syst Evol Microbiol; 2004 Sep; 54(Pt 5):1639-1642. PubMed ID: 15388722.
    Abstract:
    An alkene-degrading, sulfate-reducing bacterium, strain PF2803T, was isolated from oil-polluted sediments (Fos Harbour, France). The cells were found to be Gram-negative, non-sporulating, non-motile and to have a slightly curved rod shape. Optimum growth occurred at 1 % (w/v) NaCl, pH 6.8 and 28-30 degrees C. Strain PF2803T oxidized alkenes (from C8 to C23). The G + C content of the genomic DNA was 57.8 mol% (HPLC). On the basis of 16S rRNA gene sequence analyses, strain PF2803T belongs to the family 'Desulfobacteraceae' in the class 'Deltaproteobacteria', with Desulfatibacillum aliphaticivorans as its closest relative (99.6 % identity). Comparative sequence analyses of the dissimilatory sulfite reductase (dsrAB) gene supported the affiliation of strain PF2803T to the genus Desulfatibacillum. DNA-DNA hybridization with its closest taxon demonstrated 48.4 % similarity. On the basis of the results of physiological and genetic analyses, strain PF2803T is identified as a novel species of the genus Desulfatibacillum, for which the name Desulfatibacillum alkenivorans sp. nov. is proposed. The type strain is PF2803T (= DSM 16219T = ATCC BAA-924T).
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