1887

Abstract

A Gram-stain-negative, elongated rod-shaped, yellow-pigmented, aerobic bacterial strain, designated WJ-1, was isolated from coastal seawater in Xiamen, Fujian province, China. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain WJ-1 fell within the genus and was most closely associated with SMK-4 (96.7 % 16S rRNA gene sequence similarity); lower similarities were shown to other members of the genus (<96.2 %). The strain formed a distinct lineage with B-I (96.0 %), YCS-6 (94.5 %) and CNURIC 013 (95.4 %). Growth was observed at temperatures from 16 to 38 °C, at salinities from 2 to 4 % and at pH 6–9. The major fatty acids were summed feature 3 (Cω6 and/or Cω7), iso-C 3-OH, iso-C and iso-C 3-OH. The DNA G+C content of strain WJ-1 was 33.2 mol% and the major respiratory quinone was menaquinone-6 (MK-6). Differential phenotypic properties and phylogenetic distinctiveness in this study distinguished strain WJ-1 from all other members of the genus . According to the morphology, physiology, fatty acid composition and 16S rRNA gene sequence data, strain WJ-1 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is WJ-1 ( = CGMCC 1.12378 = LMG 27422).

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2013-09-01
2019-10-21
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