Bacillus rigui sp. nov., isolated from wetland fresh water

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Bacillus rigui sp. nov., isolated from wetland fresh water
K S Baik; C H Lim; S C Park; E M Kim; Moon Soo Rhee; C N Seong
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 60, no. 9, pp. 2204-2209
Publication Year
Two Gram-stain-positive strains, WPCB074T and WPCB165, were isolated from fresh water collected from the Woopo wetland (Republic of Korea). Both strains were strictly aerobic, motile, endospore-forming rods. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strains WPCB074 T and WPCB165 belonged to the genus Bacillus and that strain WPCB074T was most closely related to Bacillus solisalsi YC1 T (98.4% sequence similarity), B. barbaricus V2-BIII-A2T (97.7 %), B. macauensis ZFHKF-1T (96.9 %), B. arsenicus Con a/3 T (96.4 %) and B. gelatini LMG 21880T (95.1 %). The 16S rRNA gene sequences of strains WPCB074T and WPCB165 differed at one position (99.9% similarity), suggesting that these two strains constitute a single species. DNA-DNA relatedness between strain WPCB074T and the type strains of B. solisalsi, B. barbaricus, B. macauensis, B. arsenicus and B. gelatini were 26, 17, 20, 14 and 7%, respectively. Strain WPCB074T was characterized by having cell-wall peptidoglycan based on meso-diaminopimelic acid, MK-7 as the predominant menaquinone and iso-C15:0 and anteiso-C15:0 as the major fatty acids. The DNA G+C content of strain WPCB074T was 41.9 mol%. On the basis of phenotypic properties, phylogeny and genomic distinctiveness, strain WPCB074T represents a novel species of the genus Bacillus for which the name Bacillus rigui sp. nov. is proposed. The type strain is WPCB074T (=KCTC 13278T =JCM 16348T).
Microbiology Soc
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Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
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