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Abstract

A Gram-negative, non-motile, rod-shaped bacterial strain, designated SMK-117, belonging to the , was isolated from a tidal flat of the Yellow Sea, Korea, and was subjected to a polyphasic taxonomic study. Strain SMK-117 grew optimally at pH 7.0–8.0 and 30 °C in the presence of 2 % (w/v) NaCl. Neighbour-joining and maximum-likelihood phylogenetic trees based on 16S rRNA gene sequences showed that strain SMK-117 clustered with HTCC2654, with which it exhibited a sequence similarity of 95.3 %. Strain SMK-117 contained Q-10 as the predominant ubiquinone and C 7 and 11-methyl C 7 as the major fatty acids. The major polar lipids were phosphatidylcholine, phosphatidylglycerol, phosphatidylethanolamine, an unidentified aminolipid and two unidentified phospholipids. The DNA G+C content was 63.5 mol%. Strain SMK-117 was differentiated from members of the genera and on the basis of differences in the fatty acid and polar lipid profiles. The phenotypic, chemotaxonomic and phylogenetic data indicated that strain SMK-117 represents a novel genus and species, for which the name gen. nov., sp. nov. is proposed. The type strain of is SMK-117 (=KCTC 22244 =CCUG 55760).

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2009-01-01
2020-01-21
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vol. , part 1, pp. 48 - 52

Transmission electron micrograph of cells of strain SMK-117 from exponentially growing cultures. Bar, 1 µm.



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