1887

Abstract

A Gram-staining-negative, moderately halophilic and strictly aerobic bacterium, designated strain KJ4, was isolated from marine sediment at Gangjin in South Korea. Cells were catalase- and oxidase-positive long rods with gliding motility. Growth of strain KJ4 was observed at 4–37 °C (optimum, 15–25 °C), at pH 6.0–9.0 (optimum, pH 7.0–8.5) and in the presence of 1.0–7.0 % (w/v) NaCl (optimum, 2.0–5.0 %). Menaquinone 6 (MK-6) was the only isoprenoid quinone detected and iso-C, iso-C 3-OH, iso-C G and summed feature 3 (comprising Cω7 and/or Cω6) were the major cellular fatty acids. The polar lipids of strain KJ4 consisted of phosphatidylethanolamine, an unidentified aminophospholipid and five unidentified lipids. The G+C content of the genomic DNA was 38.0 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain KJ4 formed a distinct phylogenetic lineage within the genus Strain KJ4 was most closely related to KMM 3947 with 97.4 % 16S rRNA gene sequence similarity. On the basis of phenotypic, chemotaxonomic and molecular features, strain KJ4 clearly represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is KJ4 ( = KACC 16438 = JCM 31154).

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2016-04-01
2020-08-05
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