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Int J Syst Evol Microbiol 58 (2008), 1198-1202; DOI  10.1099/ijs.0.65657-0
© 2008 International Union of Microbiological Societies

Roseovarius aestuarii sp. nov., isolated from a tidal flat of the Yellow Sea in Korea

Jung-Hoon Yoon, So-Jung Kang and Tae-Kwang Oh

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

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

A Gram-negative, motile, ovoid to rod-shaped bacterial strain, designated strain SMK-122T, was isolated from a Yellow Sea tidal flat located on the coast of Korea. Strain SMK-122T grew optimally at pH 7.0–8.0 and 30 °C. It contained Q-10 as the predominant ubiquinone and possessed C18 : 1{omega}7c and C16 : 0 as the major fatty acids. The DNA G+C content was 58.6 mol%. A phylogenetic analysis based on 16S rRNA gene sequences showed that strain SMK-122T fell within the genus Roseovarius, being closest to Roseovarius nubinhibens ISMT; the sequence similarities with respect to Roseovarius species ranged from 94.9 to 97.3 %. The mean value for DNA–DNA relatedness between strain SMK-122T and Rva. nubinhibens DSM 15170T was 13 %. Differential phenotypic properties of SMK-122T, together with its phylogenetic and genetic distinctiveness, revealed that this strain is distinct from recognized Roseovarius species. On this basis, strain SMK-122T represents a novel species of the genus Roseovarius, for which the name Roseovarius aestuarii sp. nov. is proposed. The type strain is SMK-122T (=KCTC 22174T =CCUG 55325T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain SMK-122T is EU156066.




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Y.-S. Oh, H.-J. Lim, I.-T. Cha, W.-T. Im, J.-S. Yoo, U. G. Kang, S.-K. Rhee, and D.-H. Roh
Roseovarius halotolerans sp. nov., isolated from deep seawater
Int J Syst Evol Microbiol, November 1, 2009; 59(11): 2718 - 2723.
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