1887

Abstract

A Gram-negative-staining, non-motile, non-spore-forming, aerobic and rod-shaped bacterial strain, DPG-138, was isolated from seawater on the southern coast in Korea. Strain DPG-138 grew optimally at 30 °C and in the presence of 2–3 % (w/v) NaCl. A neighbour-joining phylogenetic tree based on 16S rRNA gene sequences revealed that strain DPG-138 fell within the cluster comprising the type strains of four species of the genus (sequence similarity values of 97.8–98.2 %). The DNA G+C content was 59.9 mol%. The predominant ubiquinone of strain DPG-138 was Q-10, typical for the genus . The cellular fatty acid profiles of strain DPG-138 and type strains of four species of the genus were similar with Cω7 as the most common fatty acid. The major polar lipids in strain DPG-138 were phosphatidylcholine, phosphatidylglycerol, phosphatidylethanolamine and one unidentified aminolipid. Differential phenotypic properties and genetic distinctiveness of strain DPG-138 demonstrated that this strain is distinguishable from all four recognized species of the genus . On the basis of the data presented, strain DPG-138 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is DPG-138 ( = KCTC 23882 = CCUG 62112).

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2013-02-01
2020-01-17
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