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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 57, Issue 3

gen. nov., sp. nov., isolated from seawater of the East Sea in Korea Free

Abstract

A Gram-negative, non-motile, rod-shaped bacterial strain, SW-255, was isolated from seawater from Hwajinpo, on the coast of the East Sea, Korea, and subjected to a polyphasic taxonomic study. Strain SW-255 grew optimally at pH 7.0–8.0 and 37 °C in the presence of 2 % (w/v) NaCl. It contained Q-10 as the predominant ubiquinone and C 7 as the major fatty acid. The DNA G+C content was 67.0 mol%. A neighbour-joining phylogenetic tree based on 16S rRNA gene sequences showed that strain SW-255 is phylogenetically closely related to the genera and of the . The levels of 16S rRNA gene sequence similarity between strain SW-255 and the type strains of and two species were in the range 95.8–96.2 %. A phylogenetic tree based on sequences showed that strain SW-255 forms a distinct evolutionary lineage within the . Differential phenotypic properties, polar lipid profiles and DNA G+C contents, together with the phylogenetic distinctiveness, suggest that strain SW-255 should be distinguished from the members of the genera and . On the basis of the phenotypic, chemotaxonomic and phylogenetic data, strain SW-255 represents a novel genus and species, for which the name gen. nov., sp. nov. is proposed. The type strain of is SW-255 (=KCTC 12737=JCM 13603).

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2007-03-01
2024-04-19
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Pseudoruegeria aquimaris gen. nov., sp. nov., isolated from seawater of the East Sea in Korea
Int J Syst Evol Microbiol 57, 542 (2007); https://doi.org/10.1099/ijs.0.64594-0
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