Abstract
A strictly aerobic, red-pigmented, non-motile, catalase- and oxidase-positive, Gram-staining-negative bacterium, designated strain CNURIC011(T), was isolated from seawater off the coast of Jeju Island in Korea. A phylogenetic analysis based on 16S rRNA gene sequences showed that strain CNURIC011(T) belongs to the genus Aquimarina in the family Flavobacteriaceae. 16S rRNA gene sequence analysis revealed that the close relatives of the novel strain are Aquimarina latercula ATCC 23177(T), Aquimarina marcrocephali JAMB N27(T), Aquimarina intermedia KMM 6258(T), Aquimarina muelleri KMM 6020(T), and Aquimarina brevivitae SMK-19(T), with sequence similarities of 97.6, 96.6, 96.0, 95.6, and 94.2%, respectively. DNA-DNA hybridization revealed that the level of relatedness between strain CNURIC011(T) and Aquimarina latercula ATCC 23177(T) (=KCTC 2912(T)) was 4.9%. The DNA G+C content was 35.8 mol% and the major respiratory quinone was MK-6. The major fatty acids were iso-C(15:0) (14.9%), C(15:0) (13.9%), iso-C(17:0) 3-OH (12.6%), iso-C(15:1) G (7.3%), and iso-C(17:1) omega9c (7.2%). On the basis of phenotypic, phylogenetic, and genotypic data, strain CNURIC011(T) represents a novel species within the genus Aquimarina, for which the name Aquimarina litoralis sp. nov. is proposed. The type strain is CNURIC011(T) (=KCTC 22614(T) =JCM 15974(T)).
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