1887

Abstract

A Gram-staining-negative, non-flagellated, non-gliding and rod-shaped bacterial strain, designated HWR-17, was isolated from seawater of the Yellow Sea in Korea. Strain HWR-17 grew optimally at pH 7.0–8.0, at 30 °C and in the presence of 2 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain HWR-17 clustered with the two species in the family , exhibiting 16S rRNA gene sequence similarity of 97.1–97.2 % to their type strains and less than 95.7 % sequence similarity to other members of the family . Strain HWR-17 contained MK-6 as the predominant menaquinone and iso-C as the major fatty acid. The polar lipid profile of strain HWR-17 contained phosphatidylethanolamine, an unidentified aminolipid and four unidentified lipids. The DNA G+C content of strain HWR-17 was 35.7 mol% and it exhibited 11 and 10 % DNA–DNA relatedness, respectively, with KCTC 12570 and DSM 18792. The phylogenetic and genetic distinctiveness and differential phenotypic properties revealed that strain HWR-17 is distinguishable from the two recognized species. On the basis of the data presented, strain HWR-17 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is HWR-17 ( = KCTC 23346  = CCUG 60529). An emended description of the genus is also proposed.

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2012-03-01
2020-01-22
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