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Abstract

A novel facultatively methylotrophic, Gram-negative, rod-shaped bacterium, designated strain S2R03-9, was isolated from jeotgal, a traditional Korean fermented seafood. The organism was strictly aerobic, motile by means of a single polar flagellum, non-sporulating and catalase- and oxidase-positive. Strain S2R03-9 grew in the presence of 0–1 % (w/v) NaCl and at pH 6.0–10.0, with optimum growth in the absence of NaCl and at pH 7.0. It grew at temperatures in the range 20.0–30.0 °C, with optimum growth at 30 °C. Colonies grown on R2A medium were non-pigmented, opaque and creamy white. Phylogenetic analysis based on 16S rRNA gene sequences indicated that it was most closely related to JCM 2833 (96.6 % similarity) and the phylogenetic similarities to all other species with validly published names were less than 95.0 %. The DNA G+C content was 64.9 mol%. The phylogenetic analysis, the phenotypic assessment and the chemotaxonomic data (major ubiquinone, Q-10; major fatty acids, C and C) showed that S2R03-9 represents a novel species within the genus in the class , for which the name sp. nov. is proposed. The type strain is S2R03-9 (=KCTC 12671=LMG 23639).

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2007-03-01
2019-10-23
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vol. , part 3, pp. 566 - 571

Phase-contrast photomicrograph of cells of S2R03-9 grown on R2A medium for 3 days. Bar, 2 µm.



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