Oceanobacillus locisalsi sp. nov., isolated from a marine solar saltern

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Title
Oceanobacillus locisalsi sp. nov., isolated from a marine solar saltern
Author(s)
Soo Young Lee; Tae Kwang Oh; W Kim; Jung-Hoon Yoon
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 60, no. 12, pp. 2758-2762
Publication Year
2010
Abstract
A Gram-stain-variable, motile, moderately halophilic bacterial strain, CHL-21T, was isolated from a marine solar saltern and its taxonomic position was investigated using a polyphasic approach. Optimal growth of strain CHL-21T occurred at 30-37 °C, at pH 7.0-7.5 and in the presence of 5-10% (w/v) NaCl. In phylogenetic trees based on 16S rRNA gene sequences, strain CHL-21T fell within the cluster comprising members of the genera Oceanobacillus, Ornithinibacillus and Paucisalibacillus. Strain CHL-21T exhibited 97.1-97.2% 16S rRNA gene sequence similarity to the type strains of the two subspecies of Oceanobacillus oncorhynchi and 92.0-94.7% 16S rRNA gene sequence similarity to the type strains of other members of the genus Oceanobacillus and members of the genera Ornithinibacillus and Paucisalibacillus. Mean DNA-DNA reassociation values between strain CHL-21 T and the type strains of the two subspecies of Oceanobacillus oncorhynchi were 19-21 %. The cell-wall peptidoglycan of strain CHL-21 T was based on meso-diaminopimelic acid, MK-7 was the predominant menaquinone, and anteiso-C15 : 0 and anteiso-C17 : 0 were the major fatty acids. The DNA G+C content was 39.8 mol%. Differential phenotypic properties, including facultatively anaerobic growth and acid production from substrates, together with its phylogenetic and genetic distinctiveness, demonstrated that strain CHL-21T is distinguishable from recognized Oceanobacillus species. On the basis of data presented, strain CHL-21T represents a novel species within the genus Oceanobacillus, for which the name Oceanobacillus locisalsi sp. nov. is proposed; the type strain is CHL-21T (=KCTC 13253T =CCUG 56608T). ⓒ 2010 IUMS.
ISSN
0020-7713
Publisher
Microbiology Soc
DOI
http://dx.doi.org/10.1099/ijs.0.021907-0
Type
Article
Appears in Collections:
Division of Biomedical Research > Metabolic Regulation Research Center > 1. Journal Articles
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