Int J Syst Evol Microbiol 55 (2005), 2027-2032; DOI 10.1099/ijs.0.63616-0
© 2005 International Union of Microbiological Societies
Halomonas taeanensis sp. nov., a novel moderately halophilic bacterium isolated from a solar saltern in Korea
Jae-Chan Lee1,
,
Che Ok Jeon2,
,
Jee-Min Lim1,
Sang-Mi Lee1,
Jung-Min Lee1,
Sung-Min Song1,
Dong-Jin Park1,
Wen-Jun Li3 and
Chang-Jin Kim1
1 Korea Research Institute of Bioscience and Biotechnology, 52 Oeundong, Yusong, Daejeon 305-333, Republic of Korea
2 Environmental Biotechnology National Core Research Center, Division of Environmental Biotechnology, Gyeongsang National University, 660-701, Republic of Korea
3 The Key Laboratory for Microbial Resources, Ministry of Education, P.R. China, Yunnan Institute of Microbiology, Yunnan University, Kunming 650091, People's Republic of China
Correspondence
Chang-Jin Kim
changjin{at}kribb.re.kr
A moderately halophilic, Gram-negative bacterium, strain BH539T, which was isolated from a solar saltern at Taean in Korea, was considered to be a member of the genus Halomonas. Strain BH539T grew at salinities of 125 % (w/v) and at temperatures of 1045 °C. Cells were short rods that were motile by means of several flagella. Their major fatty acids were C18 : 1
7c, C16 : 0 and C19 : 0 cyclo
8c. The genomic DNA G+C content was about 65 mol% and the predominant ubiquinone was Q-9. Phylogenetic analyses based on 16S rRNA gene sequences indicated that the isolate formed a branch of the species Cobetia marina. However, 23S and 16S rRNA gene sequence similarities revealed that strain BH539T was related more closely to the type strains of the genus Halomonas. Phylogenetic analyses based on 23S rRNA gene sequences also indicated that the strain formed a phyletic line within the genus Halomonas. Therefore, it was concluded that strain BH539T should be classified within the genus Halomonas, rather than Cobetia. On the basis of physiological and molecular properties, strain BH539T represents a novel species of the genus Halomonas, for which the name Halomonas taeanensis sp. nov. is proposed. The type strain is BH539T (=KCTC 12284T=DSM 16463T).
Abbreviations: DIG, digoxigenin; ML, maximum likelihood; MP, maximum parsimony; NJ, neighbour joining; TEM, transmission electron microscopy
Published online ahead of print on 20 May 2005 as DOI 10.1099/ijs.0.63616-0.
The GenBank/EMBL/DDBJ accession numbers for the 16S and 23S rRNA gene sequences of strain BH539T are AY671975 and AY829729, respectively.
A micrograph showing the general morphology of a cell of strain BH539T and a table detailing the cellular fatty acid composition of the strain are available as supplementary material in IJSEM Online.
These authors contributed equally to this work.
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Copyright © 2005 by the International Union of Microbiological Societies.