1887

Abstract

A Gram-negative, rod-shaped, facultatively anaerobic, halotolerant bacterial strain, designated YIM YD3, was isolated from a salt mine in Yunnan, south-west China. The taxonomy of strain YIM YD3 was investigated by a polyphasic approach. Strain YIM YD3 was motile, formed pink colonies and was positive for catalase and oxidase activities. Q-10 was the predominant respiratory ubiquinone. The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylmethylethanolamine, phosphatidylcholine and two unknown phospholipids. The major fatty acids (>10 % of total fatty acids) were C 7, C 9, C and C cyclo 8. The DNA G+C content was 71.8 mol%. Phylogenetic analysis based on 16S rRNA gene sequence comparisons showed that the isolate formed a distinct line within a clade containing the genera , , and in the order , with highest levels of 16S RNA gene sequence similarity to the type strain of (93.5 %). On the basis of phenotypic, chemotaxonomic and phylogenetic data, strain YIM YD3 represents a novel species in a new genus, for which the name gen. nov., sp. nov. is proposed, with strain YIM YD3 (=KCTC 22346=CCTCC AA208038) as the type strain.

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2010-01-01
2020-01-20
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