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Abstract

A Gram-stain-negative, aerobic, rod-shaped, motile bacterium with a subpolar flagellum, designated strain CCMM005, was isolated from offshore seawater at Qingdao, China. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain CCMM005 belonged to the genus and exhibited highest 16S rRNA gene sequence similarity to CL-ES53 (96.9 %). It showed lower sequence similarities (94.9–96.4 %) with all other representatives of the genus . Optimal growth occurred in the presence of 4 % (w/v) NaCl, at 30 °C and at pH 7.0. The polar lipids of strain CCMM005 consisted of phosphatidylethanolamine, phosphatidylcholine, phosphatidylglycerol, one unidentified phosphoglycolipid and one unidentified phospholipid. The predominant isoprenoid quinone was Q-8. The major fatty acids were Ccyclo 8, C and Cω7. The DNA G+C content of strain CCMM005 was 65.3 mol%. On the basis of data from this polyphasic study, strain CCMM005 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is CCMM005 (=MCCC 1K03246=KCTC 52640).

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2018-04-01
2024-04-19
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