COMPARISON OF THE X-RAY SENSITIVITY OF BACTERIAL SPORES
- 1 January 1958
- journal article
- research article
- Published by American Society for Microbiology in Journal of Bacteriology
- Vol. 75 (1) , 5-8
- https://doi.org/10.1128/jb.75.1.5-8.1958
Abstract
Spores formed by members of the genus Bacillus exhibit two types of radiation inactivation curves: Bacillus subtilis, B. brevis, and B. mesentericus are inactivated in a "single hit" fashion, whereas B. megaterium, B. cereus, and B. mycoides are inactivated in a "multiple hit" fashion. In all cases there is no effect on spore survival if the post-irradiation medium is changed from yeast extract medium to a chemically defined medium. Implication of the radiation results is discussed.Keywords
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