Polaribacter dokdonensis sp. nov., isolated from seawater

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Polaribacter dokdonensis sp. nov., isolated from seawater
Jung-Hoon Yoon; So Jung Kang; Tae Kwang Oh
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 56, no. 6, pp. 1251-1255
Publication Year
A Gram-negative, non-motile, non-spore-forming, slightly halophilic bacterial strain, DSW-5T, was isolated from seawater off Dokdo, Korea, and subjected to a polyphasic taxonomic study. It grew optimally at 25-28°C and in the presence of 2% (w/v) NaCl. Strain DSW-5T contained MK-6 as the predominant menaquinone and iso-C15:0, iso-C15:1 and iso-C15:0 3-OH as the major fatty acids. The major polar lipids detected were phosphatidylethanolamine, three unidentified phospholipids and an amino-group-containing lipid. The DNA G+C content was 30.0 mol%. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain DSW-5T was most closely related to the genus Polaribacter. Similarity values between the 16S rRNA gene sequences of strain DSW-5T and the type strains of recognized Polaribacter species were in the range 96.2-96.8%. On the basis of its phenotypic properties and phylogenetic distinctiveness, strain DSW-5T (=KCTC 12392T=DSM 17204T) was classified in the genus Polaribacter as the type strain of a novel species, for which the name Polaribacter dokdonensis sp. nov. is proposed.
Microbiology Soc
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Division of Biomedical Research > Metabolic Regulation Research Center > 1. Journal Articles
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