1887

Abstract

A novel Gram-stain-negative, straight or slightly curved rod-shaped, non-spore-forming, non-flagellated, strictly aerobic strain, designated RZG4-3-1, was isolated from coastal seawater of Rizhao, China (119.625° E 35.517° N). The organism grew optimally at 24–28 °C, at pH 7.0 and in the presence of 2.0 % (w/v) NaCl. The strain required seawater or artificial seawater for growth, and NaCl alone did not support growth. Strain RZG4-3-1 contained ubiquinone 8 (Q-8) as the major respiratory quinone and contained C 7 and/or C 6 and C as the dominant fatty acids. The polar lipids of strain RZG4-3-1 were phosphatidylethanolamine, phosphatidylglycerol and one unidentified aminophospholipid. The DNA G+C content of strain RZG4-3-1 was 40.1 mol%. Strain RZG4-3-1 exhibited the highest 16S rRNA gene sequence similarity value (96.0 %) to JCM 18482. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain RZG4-3-1 belonged to the genus . On the basis of polyphasic analyses, strain RZG4-3-1 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is RZG4-3-1 (=JCM 31894=KCTC 52745=MCCC 1K03276). An emended description of is also provided.

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2018-01-01
2024-03-19
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