1887

Abstract

A Gram-negative-staining, non-motile and rod-shaped bacterial strain, HD-28, was isolated from a tidal flat of the Yellow Sea, Korea. Strain HD-28 grew optimally at pH 7.0–8.0 and 30 °C in the presence of 2–3 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain HD-28 was most closely related to species of the genus and exhibited 95.5–96.9 % 16S rRNA gene sequence similarity to the type strains of species. A neighbour-joining phylogenetic tree based on gene sequences also showed that strain HD-28 fell within the cluster comprising recognized speciesof the genus , showing 77.5–83.9 % sequence similarity. Strain HD-28 contained Q-10 as the predominant ubiquinone and Cω7 as the major fatty acid. The major polar lipids detected in strain HD-28 were phosphatidylcholine, phosphatidylglycerol, an unidentified aminolipid and two unidentified lipids. The DNA G+C content was 57.9 mol%. Differential phenotypic properties, together with phylogenetic distinctiveness, demonstrated that strain HD-28 could be distinguished from recognized species of the genus. On the basis of phenotypic, chemotaxonomic and phylogenetic data, strain HD-28 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is HD-28 ( = KCTC 23044 = CCUG 58878).

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2011-05-01
2019-10-14
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