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Abstract

A Gram-stain-negative, motile, non-spore-forming and short rod- or rod-shaped bacterial strain, T-w6, was isolated from seawater of an oyster farm in the South Sea, Korea. Strain T-w6 grew optimally at 25 °C and in the presence of 2 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain T-w6 joined the cluster comprising species with a bootstrap resampling value of 90.8 %, and this cluster joined the clade comprising members of the genera and with a bootstrap resampling value of 100 %. Strain T-w6 exhibited 16S rRNA gene sequence similarity of 95.9 and 96.6 % to the type strains of and , respectively. Strain T-w6 and the type strains of and had Q-8 as the predominant ubiquinone and iso-C 2-OH and/or Cω7, Cω7 and C as the major fatty acids. The major polar lipids were phosphatidylglycerol and phosphatidylethanolamine. The DNA G+C content of strain T-w6 was 56.6 mol%. Mean DNA–DNA relatedness of strain T-w6 with DSM 15406 and KCTC 12522 was 13 and 10 %, respectively. Phenotypic properties of strain T-w6 demonstrated that this strain could be distinguished from the other species. On the basis of the data presented, strain T-w6 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed; the type strain is T-w6 ( = KCTC 23422  = CCUG 60525). An emended description of the genus is also presented.

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2011-12-01
2020-01-26
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vol. , part 12, pp. 2880 - 2884

Two-dimensional thin-layer chromatogram of polar lipids of sp. nov. T-w6 .

Transmission electron micrograph of a cell of sp. nov. T-w6 cultivated for 3 days on marine agar 2216 at 25 °C. Bar, 1 µm.

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