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

Korea Research Institute of Bioscience and Biotechnology (KRIBB), PO Box 115, Yusong, Taejon, Korea

Correspondence
Jung-Hoon Yoon
jhyoon{at}kribb.re.kr

A Gram-negative, aerobic, slightly halophilic, non-motile and coccoid- or rod-shaped bacterial strain, SW-277^T, was isolated from seawater, Korea, and subjected to a polyphasic taxonomic study. Strain SW-277^T was catalase- and oxidase-positive and grew optimally at pH 7.0–8.0 and 37 °C in the presence of 2 % (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain SW-277^T belongs to the Alphaproteobacteria as part of the clade comprising the genera Roseivivax and Salipiger with a bootstrap resampling value of 72.5 %. 16S rRNA gene sequence similarity values between strain SW-277^T and members of the genera Roseivivax and Salipiger were between 93.8 and 94.7 %. Strain SW-277^T contained Q-10 as the predominant ubiquinone and C_{18 : 1}7c and C_{16 : 0} as the major fatty acids. The DNA G+C content was 59.7 mol%. Strain SW-277^T could be distinguished from members of the phylogenetically related genera Salipiger and Roseivivax by phenotypic differences and low 16S rRNA gene similarity values. On the basis of phenotypic, chemotaxonomic, genotypic and phylogenetic data, strain SW-277^T (=KCTC 12735^T=JCM 13604^T) should be classified as a representative of a novel species in a new genus, Donghicola eburneus gen. nov., sp. nov.

A light micrograph of Donghicola eburneus gen. nov., sp. nov. strain SW-277^T is available as supplementary data in IJSEM Online.

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