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Sulfitobacter marinus 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, non-motile, rod- or oval-shaped Sulfitobacter-like bacterial strain, SW-265^T, was isolated from seawater at Hwajinpo, Korea, and was subjected to a polyphasic taxonomic study. Strain SW-265^T grew optimally at pH 7.0–8.0 and 30 °C in the presence of 2 % (w/v) NaCl. It contained Q-10 as the predominant ubiquinone and C_{18 : 1}7c as the major fatty acid. The DNA G+C content was 57.8 mol%. A phylogenetic analysis based on 16S rRNA gene sequences showed that strain SW-265^T fell within the cluster comprising Sulfitobacter species. The levels of 16S rRNA gene sequence similarity between strain SW-265^T and the type strains of Sulfitobacter species ranged from 97.1 to 98.7 %. DNA–DNA relatedness data and differential phenotypic properties, together with the phylogenetic distinctiveness, demonstrated that strain SW-265^T differs from recognized Sulfitobacter species. On the basis of the phenotypic, phylogenetic and genetic data, strain SW-265^T represents a novel species of the genus Sulfitobacter, for which the name Sulfitobacter marinus sp. nov. is proposed. The type strain is SW-265^T (=KCTC 12738^T=JCM 13602^T).

Biolog assimilation data for strain SW-265^T are available in a supplementary table in IJSEM Online.

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				J.-H. Yoon, S.-J. Kang, M.-H. Lee, and T.-K. Oh Description of Sulfitobacter donghicola sp. nov., isolated from seawater of the East Sea in Korea, transfer of Staleya guttiformis Labrenz et al. 2000 to the genus Sulfitobacter as Sulfitobacter guttiformis comb. nov. and emended description of the genus Sulfitobacter Int J Syst Evol Microbiol, August 1, 2007; 57(8): 1788 - 1792. [Abstract] [Full Text] [PDF]