1887

Abstract

A Gram-stain-negative, motile, rod-shaped bacterium, designated SW127, was isolated from a seawater sample collected from the Indian Ocean. Strain SW127 was aerobic, catalase- and oxidase-positive, and grew at 8–42 °C (optimum, 30 °C), at pH 5.5–9.0 (optimum, pH 7.5) and in the presence of 0.5–11.0 % (w/v) NaCl (optimum, 3.0–4.0 %). Comparative analysis of 16S rRNA gene sequences indicated that strain SW127 belonged to the genus Alcanivorax , and closely related to Alcanivorax pacificus MCCC 1A00474 (96.7 % sequence similarity). The predominant cellular fatty acids of strain SW127 were C16 : 0 and summed feature 8 (comprising C18 : 1ω7c and/or C18 : 1ω6c). Strain SW127 contained phosphatidylethanolamine and phosphatidylglycerol as the major polar lipids. The genomic DNA G+C content of strain SW127 was 62.8 mol%. On the basis of its phenotypic characteristics and phylogenetic data, strain SW127 represents a novel species of the genus Alcanivorax , for which the name Alcanivorax indicus sp. nov. is proposed. The type strain is SW127 (=CGMCC 1.16233=KCTC 62652).

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2018-10-11
2024-12-06
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