1887

Abstract

A novel Gram-stain-negative, facultatively anaerobic, oxidase-negative, catalase-positive bacillus, designated WD2A32, was isolated from a marine solar saltern in the coast of Weihai, Shandong Province, PR China. Strain WD2A32 grew optimally at 37–40 °C (range, 20–45 °C) and pH 7.0–7.5 (range, 6.5–8.0) and was tolerant to 6–8 % (w/v) NaCl (range, 2–12 %). The 16S rDNA of strain WD2A32 was most similar (93.5 %) to that of DSM 9154 (the type species of the genus ), followed by DSM 25584 (92.4 %; the type species of the genus ). The similarities to the type strains of the genera and were less than 91.0 %. The draft genome sequence of strain WD2A32 contained 72 contigs (>507 bp) of 4 237 996 bp with a DNA G+C content of 65.5 mol%. The major polar lipids of strain WD2A32 were phosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine and unidentified aminolipids; major cellular fatty acids were summed feature 8 (Cω7/Cω6) and C cyclo ω8; the major respiratory quinone was Q-10. On the basis of the results from chemotaxonomic, physiological and biochemical analyses, strain WD2A32 represents a novel species of a novel genus in the family , for which the name gen. nov., sp. nov. has been proposed. The type strain is WD2A32 (=KCTC 52888=MCCC 1H00201).

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2019-10-01
2019-10-21
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