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- Title
Desulfoferula mesophilus gen. nov. sp. nov., a mesophilic sulfate-reducing bacterium isolated from a brackish lake sediment.
- Authors
Watanabe, Tomohiro; Yabe, Tatsuya; Tsuji, Jackson M.; Fukui, Manabu
- Abstract
A novel sulfate-reducing bacterium (strain 12FAKT) was isolated from sediment sampled from a brackish lake in Japan. Respiratory growth was observed with formate and pyruvate as an electron donor. Sulfate, thiosulfate, elemental sulfur and dimethyl sulfoxide were utilized as an electron acceptor. The isolate grew over a temperature range of 18–42 °C (optimum 35–37 °C), a NaCl concentration range of 50–450 mM (optimum 150–300 mM) and a pH range of 6.6–7.5. The 12FAKT genome consists of a circular chromosome with a length of 4.5 Mbp and G + C content of 63.6%. Based on 16S rRNA gene sequence similarity, the closest cultured relative was Desulfarculus baarsii 2st14T (92.2%). Genome-based phylogenetic analysis placed strain 12FAKT within the family Desulfarculaceae but did not affiliate the strain with any existing genus. Taken together, we propose a novel species of a novel genus, Desulfoferula mesophilus gen. nov. sp. nov. with the type strain 12FAKT (= DSM 115219T = JCM 39399T).
- Publication
Archives of Microbiology, 2023, Vol 205, Issue 12, p1
- ISSN
0302-8933
- Publication type
Article
- DOI
10.1007/s00203-023-03711-9