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Effects of an R factor and caffeine on ultraviolet mutability in Salmonella typhimurium

✍ Scribed by D.G. MacPhee

Book ID
116036715
Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
304 KB
Volume
18
Category
Article
ISSN
0027-5107

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## Abstract Strains deficient in recombinational repair (__recA^βˆ’^__) failed to be reverted by MNNG. Caffeine was found to efficiently repress MNNG‐induced reversions with proficient and deficient (__uvrB^βˆ’^__) excision repair strains. The presence of the resistance plasmid pKM 101 had no influence