[Study of lysogeny in Bacillus thuringiensis and B. cereus]
[Article in
French]
- PMID: 98223
Item in Clipboard
[Study of lysogeny in Bacillus thuringiensis and B. cereus]
[Article in
French]
Can J Microbiol.
1978 Jul.
Abstract
Forty-eight strains of Bacillus thuringiensis and 12 strains of B. cereus were treated with ultraviolet light and mitomycin C. The former agent was the more effective inducer. Bacillus thuringiensis produces at least seven different phage particles with long, non-contractile tails. The frequencies of lysogeny and polylysogeny are 83 and 25% respectively. Morphologically defective phages occur in 25% of strains, whereas five of them produce low molecular-weight bacteriocins. One strain of B. cereus harbors "killer-particles." There is no apparent correlation between the presence of phage-like particles, phage senstivity, and serotypes, biotypes, or the origin of B. thuringiensis strains.
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