1887

Abstract

A slightly halophilic, Gram-negative, strictly aerobic, non-motile rod, designated TW15, was isolated from an ark clam in South Korea. Growth occurred at 10–37 °C, with 1–5 % (w/v) NaCl and at pH 7.0–10.0. Optimal growth occurred at 25–30 °C, with 2 % (w/v) NaCl and at pH 8.0. Strain TW15 exhibited both oxidase and catalase activities. The major fatty acids of strain TW15 were summed feature 8 (consisting of Cω7 and/or Cω6) and 11-methyl Cω7. The predominant isoprenoid quinone was ubiquinone-10 (Q-10). The polar lipids of strain TW15 comprised phosphatidylcholine, phosphatidylglycerol, diphosphatidylglycerol, an unidentified phospholipid, an unidentified aminolipid and five unidentified lipids. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain TW15 was most closely related to DSM 11314 (98.0 % 16S rRNA gene sequence similarity). DNA–DNA relatedness with closely related strains was <52±3 %. The DNA G+C content was 55.7 mol%. On the basis of phenotypic, genotypic and phylogenetic data, strain TW15 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is TW15 ( = KACC 15115  = JCM 17315).

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2012-12-01
2020-01-17
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