Sulfurirhabdus autotrophica gen. nov., sp. nov., isolated from a freshwater lake
Watanabe, Tomohiro and Kojima, Hisaya and Shinohara, Arisa and Fukui, Manabu,, 66, 113-117 (2016),
doi = https://doi.org/10.1099/ijsem.0.000679,
publicationName = Microbiology Society,
issn = 1466-5026,
abstract= A novel sulfur-oxidizing bacterium, designated strain BiS0T, was isolated from a sediment sample collected from a freshwater lake in Japan. The cells were rod-shaped, 1.4–4.6 × 0.4–0.7 μm and Gram-stain-negative. The G+C content of the genomic DNA was around 44 mol%. The isolate possessed summed feature 3 (C16 : 1ω7c and/or C16 : 1ω6c), C16 : 0 and C10 : 0 3-OH as major cellular fatty acids. Strain BiS0T grew by carbon dioxide fixation and oxidation of inorganic sulfur compounds with oxygen as the electron acceptor. Growth was observed over a temperature range of 0–32 °C (optimum, 15–22 °C), an NaCl concentration range of 0–546.4 mM (optimum 0–66.7 mM) and a pH range of 5.2–8.1 (optimum 6.1–6.3). Phylogenetic analysis, based on 16S rRNA gene sequences, indicated that strain BiS0T belongs to the family Sulfuricellaceae in the class Betaproteobacteria. The closest cultured relatives were Sulfuricella denitrificans skB26T and Sulfuricella sp. T08, with 16S rRNA gene sequence similarities of 96.3 %. On the basis of the data obtained in this study, strain BiS0T represents a novel species of a novel genus, for which the name Sulfurirhabdus autotrophica gen. nov., sp. nov. is proposed. The type strain is BiS0T ( = NBRC 110941T = DSM 100309T).,
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