Phaeobacter daeponensis sp. nov., isolated from a tidal flat of the Yellow Sea in Korea

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Phaeobacter daeponensis sp. nov., isolated from a tidal flat of the Yellow Sea in Korea
Jung-Hoon Yoon; So Jung Kang; Soo Young Lee; Tae Kwang Oh
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 57, no. 4, pp. 856-861
Publication Year
A Gram-negative, motile and egg-shaped bacterium, strain TF-218T, was isolated from a tidal flat at Daepo Beach (Yellow Sea), Korea, and subjected to a polyphasic taxonomic analysis. Strain TF-218T 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 C18:1ω7c and 11-methyl C18:1ω7c as the major fatty acids. The major polar lipids were phosphatidylcholine, phosphatidylglycerol, phosphatidylethanolamine, two unidentified lipids and an aminolipid. The DNA G+C content was 64.9 mol%. A neighbour-joining phylogenetic tree based on 16S rRNA gene sequences showed that strain TF-218T is phylogenetically closely related to the genera Phaeobacter, Leisingera and Marinovum of the Alphaproteobacteria. The phylogenetic and chemotaxonomic similarities suggest that strain TF-218T represents a member of the genus Phaeobacter. DNA-DNA relatedness data and differential phenotypic properties, together with the phylogenetic distinctiveness, demonstrated that strain TF-218T differs from the recognized Phaeobacter species. On the basis of the phenotypic, chemotaxonomic and phylogenetic data, strain TF-218T represents a novel species of the genus Phaeobacter, for which the name Phaeobacter daeponensis sp. nov. is proposed. The type strain is TF-218T (=KCTC 12794T=JCM 13606T).
Microbiology Soc
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Division of Biomedical Research > Metabolic Regulation Research Center > 1. Journal Articles
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