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Bacillus anthracis can be identified on the basis of the detection of virulence factor genes located on two plasmids, pXO1 and pXO2. Thus isolates lacking both pXO1 and pXO2 are indistinguishable from closely related B. cereus group bacteria. We developed a multiplex PCR assay for characterization of B. anthracis isolates, and simultaneous confirmation of(More)
Plasmid genes that are responsible for virulence of Bacillus anthracis are important targets for the DNA-based detection of anthrax. We evaluated the distribution of the Ba813 chromosomal DNA sequence (Ba813) within closely related Bacillus species. Ba813 was systematically identified from 47 strains or isolates of B. anthracis tested, thus indicating its(More)
Outbreaks of anthrax zoonose occurred in two regions of France in 1997. Ninety-four animals died, and there were three nonfatal cases in humans. The diagnosis of anthrax was rapidly confirmed by bacteriological and molecular biological methods. The strains of Bacillus anthracis in animal and soil samples were identified by a multiplex PCR assay. They all(More)
Ribotyping of various Bacillus strains with one restriction enzyme (AccI) revealed significant similarity between Bacillus anthracis strains, Bacillus thuringiensis and Bacillus cereus strains, which are all members of the Bacillus cereus group. A further ribotyping study of 10 virulent and 8 attenuated B. anthracis strains, using 4 endonucleases and both(More)
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