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J Gen Appl Microbiol. 2000 Feb;46(1):1-8.

Application of the partial 16S rDNA sequence as an index for rapid identification of species in the genus Bacillus.

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Laboratory of QC and Food Analysis, Food Research Institute, Mitsui Norin Co., Ltd., Shizuoka 426-0133, Japan.


A comparison of 16S rRNA gene (rDNA) sequences was made among type strains of 69 Bacillus species approved in the International Journal of Systematic Bacteriology (IJSB) until 1998. The results suggested that 5' end region (approx. 275 bp) was the hypervariant region (HV region) in the gene and was highly specific for each type strain. Furthermore, a sequence analysis of the HV region of Bacillus strains revealed that this region was highly conserved within the species. These results indicate that the HV region is a useful index for the identification or grouping of Bacillus species.

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