1887

Abstract

SUMMARY: The resistance of wild-type, and strains to ultraviolet (u.v.) light, X-rays and freezing and thawing was determined. An R plasmid, pPL1, which increased resistance of the wild-type, , and but not strains to u.v. light, increased the resistance of only and mutants to X-rays and freezing and thawing. These findings reinforce the idea of DNA as a target in the organism for freeze-thaw stress and suggest that freeze-thaw-induced DNA damage might be similar to that produced by X-rays but different from that produced by u.v. light.

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/content/journal/micro/10.1099/00221287-128-1-215
1982-01-01
2019-10-23
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