Bacillus gaemokensis sp. nov., Isolated from Foreshore Tidal Flat Sediment from the Yellow Sea
2010
Jung, M.Y., Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea | Paek, W.K., National Science Museum, Daejeon, Republic of Korea | Park, I.S., Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea | Han, J.R., Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea | Sin, Y.S., Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea | Paek, J.Y., Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea | Rhee, M.S., Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea | Kim, H.I., Vitabio Inc., Daejeon, Republic of Korea | Song, H.S., Korea Gas Corporation, Ansan, Republic of Korea | Chang, Y.H., Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
A Gram-positive, rod-shaped, endospore-forming organism, strain BL3-6∨T, was isolated from tidal flat sediments of the Yellow Sea in the region of Tae-An. A 16S rRNA gene sequence analysis demonstrated that this isolate belongs to the Bacillus cereus group, and is closely related to Bacillus mycoides (99.0% similarity), Bacillus thuringiensis (99.0%), Bacillus weihenstephanensis (99.0%), Bacillus cereus (98.9%), Bacillus anthracis (98.8%), and Bacillus pseudomycoides (98.1%). The phylogenetic distance from any validly described Bacillus species outside the Bacillus cereus group was less than 95.6%. The DNA G+C content of the strain was 39.4 mol% and the major respiratory quinone was menaquinone-7. The major cellular fatty acids were iso-C∧14:0 (17.8%), iso-C∧16:0 (15.8%), and iso-C∧12:0 (11.3%). The diagnostic amino acid of the cell wall was mesodiaminopimelic acid and the major cell wall sugar was galactose. The results of DNA-DNA hybridization (less than 55.6%) and physiological and biochemical tests allowed genotypic and phenotypic differentiation of strain BL3-6∨T from the published Bacillus species. BL3-6∨T therefore represents a new species, for which the name Bacillus gaemokensis sp. nov. is proposed, with the type strain BL3-6∨T (=KCTC 13318∨T =JCM 15801∨T).
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