1887

Abstract

A Gram-stain-negative, aerobic, non-flagellated, non-gliding, oxidase- and catalase-positive, rod-shaped, yellow-pigmented bacterium, designated strain SW230, was isolated from a surface seawater sample collected from the South Pacific Gyre. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain SW230 shared highest similarity with members of the genus (95.0–94.5 %), exhibiting 95.0 % sequence similarity to NBRC 100811. Optimal growth occurred in the presence of 2–3 % (w/v) NaCl, at pH 8.0 and at 28 °C. The DNA G+C content of strain SW230 was 36 mol%. The major fatty acids (>10 % of the total) were iso-C G, iso-C, iso-C 3-OH, and C ω7 and/or Cω6. The major respiratory quinone was menaquinone-6. The major polar lipids were phosphatidylethanolamine, two unidentified aminolipids and two unidentified lipids. On the basis of data from the present polyphasic study, strain SW230 is considered to represent a novel species of the genus , for which the name Dokdonia pacifica sp. nov. is proposed. The type strain is SW230 ( = CGMCC 1.12184 = JCM 18216).

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2015-07-01
2019-10-17
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