1887

Abstract

A Gram-negative, non-motile, ovoid to rod-shaped bacterium, designated HDW-32, was isolated from seawater of the Yellow Sea, Korea. Strain HDW-32 grew optimally at pH 7–8, at 30 °C and with 2–3 % (w/v) NaCl. Strain HDW-32 exhibited 95.1 % 16S rRNA gene sequence similarity with J3, 94.8 % sequence similarity with IAM 12618 and <94.5 % with other members of the family . In the neighbour-joining, maximum-likelihood and maximum-parsimony trees based on 16S rRNA gene sequences, strain HDW-32 clustered with IAM 12618. Strain HDW-32 contained Q-10 as the predominant ubiquinone and Cω7 as the major fatty acid. Differences in polar lipids, DNA G+C content and other phenotypic properties distinguished strain HDW-32 from JCM 20689. Strain HDW-32 could also be distinguished from representatives of the genera and by differences in fatty acids and polar lipids. On the basis of phylogenetic, chemotaxonomic and phenotypic data, strain HDW-32 represents a novel species belonging to a novel genus of the family of the class for which the name gen. nov., sp. nov. is proposed. The type strain of the type species is HDW-32 ( = KCTC 23345  = CCUG 60023).

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2012-09-01
2020-01-22
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