Reclassification of the sulfate- and nitrate-reducing bacterium Desulfovibrio vulgaris subsp. oxamicus as Desulfovibrio oxamicus sp. nov., comb. nov. - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue International Journal of Systematic and Evolutionary Microbiology Année : 2006

Reclassification of the sulfate- and nitrate-reducing bacterium Desulfovibrio vulgaris subsp. oxamicus as Desulfovibrio oxamicus sp. nov., comb. nov.

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Résumé

Desulfovibrio vulgaris subsp. oxamicus (type strain, DSM 1925 T ) was found to use nitrate as a terminal electron acceptor, the latter being reduced to ammonium. Phylogenetic studies indicated that strain DSM 1925 T was distantly related to the type strain of Desulfovibrio vulgaris (95.4 % similarity of the small-subunit rRNA gene) and had as its closest phylogenetic relatives two other nitrate- and sulfate-reducing bacteria, namely Desulfovibrio termitidis (99.4 % similarity) and Desulfovibrio longreachensis (98.4 % similarity). Additional experiments were conducted to characterize better strain DSM 1925 T . This strain incompletely oxidized lactate and ethanol to acetate. It also oxidized butanol, pyruvate and citrate, but not glucose, fructose, acetate, propionate, butyrate, methanol, glycerol or peptone. The optimum temperature for growth was 37 °C (range 16–50 °C) and the optimum NaCl concentration for growth was 0.1 % (range 0–5 %). Because of significant genotypic and phenotypic differences from Desulfovibrio termitidis and Desulfovibrio longreachensis , reclassification of Desulfovibrio vulgaris subsp. oxamicus as Desulfovibrio oxamicus sp. nov., comb. nov., is proposed. The type strain is strain Monticello 2 T (=DSM 1925 T =NCIMB 9442 T =ATCC 33405 T ).

Dates et versions

hal-03752366 , version 1 (16-08-2022)

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Alejandro López-Cortés, Marie-Laure Fardeau, Guy Fauque, Catherine Joulian, Bernard Ollivier. Reclassification of the sulfate- and nitrate-reducing bacterium Desulfovibrio vulgaris subsp. oxamicus as Desulfovibrio oxamicus sp. nov., comb. nov.. International Journal of Systematic and Evolutionary Microbiology, 2006, 56 (7), pp.1495-1499. ⟨10.1099/ijs.0.64074-0⟩. ⟨hal-03752366⟩
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