1887

Abstract

A Gram-stain-negative, aerobic, non-motile and ovoid or rod-shaped bacterial strain, designated JSSK-16, was isolated from the place where the ocean and a freshwater spring meet at Jeju Island, South Korea. Strain JSSK-16 grew optimally at 30 °C, at pH 6.5–8.0 and in the presence of 2.0–4.0 % (w/v) NaCl. The neighbour-joining phylogenetic tree based on 16S rRNA gene sequences showed that strain JSSK-16 joined the clade comprising the type strains of species. Strain JSSK-16 exhibited 16S rRNA gene sequence similarity values of 97.5 and 97.1 % to the type strains of and , respectively, and of 94.1–96.6 % to the type strains of the other species. Strain JSSK-16 contained Q-10 as the predominant ubiquinone and C 7, 11-methyl C 7 and C as the major fatty acids. The major polar lipids detected in strain JSSK-16 were phosphatidylcholine, phosphatidylglycerol and phosphatidylethanolamine. The DNA G+C content of strain JSSK-16T was 68.8 mol% and its DNA–DNA relatedness values with the type strains of and were 18 and 12, respectively. Differential phenotypic properties, together with its phylogenetic and genetic distinctiveness, revealed that strain JSSK-16 is separated from recognized species of the genus . On the basis of the data presented, strain JSSK-16 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is JSSK-16T (=KACC 19436=KCTC 62137=NBRC 113018).

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2018-02-01
2020-04-04
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