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Sulfurospirillum arcachonense sp. nov., a new-microaerophilic sulfur-reducing bacterium

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Liesack,  W       
Department of Biogeochemistry, Alumni, Max Planck Institute for Terrestrial Microbiology, Max Planck Society;

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Citation

Finster, K., Liesack, W., & Tindall, B. (1997). Sulfurospirillum arcachonense sp. nov., a new-microaerophilic sulfur-reducing bacterium. INTERNATIONAL JOURNAL OF SYSTEMATIC BACTERIOLOGY, 47(4), 1212-1217. doi:10.1099/00207713-47-4-1212.


Cite as: https://hdl.handle.net/21.11116/0000-000D-6B8F-B
Abstract
The isolation of a new motile, gram-negative, heterotrophic, sulfur-reducing, microaerophilic, vibrioid bacterium, strain F1F6, from oxidized marine surface sediment (Arachon Bay, French Atlantic coast) is described. Hydrogen (will acetate as the carbon source), formate (with acetate as the carbon source), pyruvate, lactate, alpha-ketoglutarate, glutarate, glutamate, and yeast extract supported growth with elemental sulfur under anaerobic conditions. Apart from H-2 and formate, the oxidation of the substrates was incomplete, Microaerophilic growth was supported with Hydrogen (acetate as the carbon source), formate (acetate as the carbon source), acetate, propionate, pyruvate, lactate, alpha-ketoglutarate, glutamate, yeast extract, fumarate, succinate, malate, citrate, and alanine. The isolate grew fermentatively with fumarate, succinate being the only organic product. Elemental sulfur and oxygen were the only electron acceptors used. Vitamins or amino acids were not required, The isolate was oxidase, catalase, and urease positive, Comparative 16S rDNA sequence analysis revealed a tight cluster consisting of the validly described species Sulfurospirillum deleyianum and the strains SES-3 and CCUG 13942 as the closest relatives of strain F1F6 (level of sequence similarity, 91.7 to 92.4%). Together with strain F1F6, these organisms form a novel lineage within the epsilon subclass of proteobacteria clearly separated from the described species of the genera Arcobacter, Campylobacter, Wolinella, and Helicobacter. Due to the phenotypic characteristics shared by strain F1F6 and S. deleyianum and considering their phylogenetic relationship, we propose the inclusion df strain F1F6 in the genus Sulfurospirillum, namely, as S. aracachonense sp. nov. Based on the result of this study, an emended description of the genus Sulfurospirillum is given.