1887

Abstract

A Gram-negative-staining, non-motile and rod-shaped bacterial strain, HD-43, was isolated from a tidal flat sediment collected from Hwang-do, an island of Korea. Strain HD-43 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 HD-43 clustered with SW-255. It exhibited 96.6 % 16S rRNA gene sequence similarity and 79.4 % sequence similarity with SW-255. Strain HD-43 contained Q-10 as the predominant ubiquinone and C 7 as the major fatty acid. The major polar lipids were phosphatidylcholine, phosphatidylglycerol, phosphatidylethanolamine, an unidentified aminolipid, an unidentified glycolipid and an unidentified lipid. The DNA G+C content was 73.5 mol%. The mean DNA–DNA relatedness between strain HD-43 and SW-255 was 5 %. Differential phenotypic properties demonstrated that strain HD-43 is clearly distinguishable from . On the basis of phenotypic, chemotaxonomic and phylogenetic data, strain HD-43 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is HD-43 (=KCTC 22690 =CCUG 57754).

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2010-05-01
2019-10-23
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