1887

Abstract

A Gram-stain-negative, aerobic, non-spore-forming, non-flagellated and ovoid or rod-shaped bacterial strain, GJMS-35, was isolated from seashore sand at Geoje Island, South Korea. Strain GJMS-35 grew optimally at 28–30 °C, at pH 7.0–8.0 and in the presence of 2.0 % (w/v) NaCl. Phylogenetic trees based on 16S rRNA gene sequences revealed that strain GJMS-35 clustered with type strains of species of the genus , with which it exhibited 96.97–98.42 % 16S rRNA gene sequence similarity. Sequence similarities to the type strains of other recognized species were less than 96.39 %. Strain GJMS-35 contained Q-10 as the predominant ubiquinone and Cω7 as the major fatty acid. The major polar lipids of strain GJMS-35 were phosphatidylcholine, phosphatidylglycerol, phosphatidylethanolamine, one unidentified glycolipid, one unidentified aminolipid and one unidentified lipid. The DNA G+C content of strain GJMS-35 was 64.1 mol% and its mean DNA–DNA relatedness values with type strains of three species of the genus were 11–21 %. Its differential phenotypic properties, together with its phylogenetic and genetic distinctiveness, revealed that strain GJMS-35 is set apart from other species of the genus . On the basis of the data presented, strain GJMS-35 is considered to represent a novel species of the genus , for which the name Pseudoruegeria sp. nov. is proposed. The type strain is GJMS-35 ( = KCTC 42111 = NBRC 110380).

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2014-09-01
2019-11-18
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