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Abstract

A Gram-staining-negative, non-motile, non-pigmented and rod-shaped bacterial strain, designated IMCC12053, was isolated from coastal surface seawater of the Yellow Sea, Korea. Optimal growth of strain IMCC12053 was observed at 30 °C, pH 7.0 and in the presence of 2 % (w/v) NaCl. 16S rRNA gene sequence comparisons showed that strain IMCC12053 was most closely related to L-6 (97.5 % similarity) and H 14 (96.0 %). Strain IMCC12053 formed a robust phylogenetic clade with members of the genus . The DNA–DNA relatedness value between IMCC12053 and was far lower than 70 % (35.7–42.5 %), which indicated that strain IMCC12053 is a novel genomic species of the genus . The major respiratory isoprenoid quinone was ubiquinone-10 (Q-10) and major polar lipids were phosphatidylglycerol, diphosphatidylglycerol, phosphatidylcholine and aminolipids. The DNA G+C content was 61.0 mol%. On the basis of genotypic and phenotypic data collected in this study, it is proposed that strain IMCC12053 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is IMCC12053 ( = KACC 17482 = NBRC 109702).

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2014-04-01
2020-07-10
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