Differential antimutagenic effects of caffeine and the protease inhibitor antipain on mutagenesis by various mutagens in Escherichia coli
β Scribed by Haruko Ichikawa-Ryo; Sohei Kondo
- Book ID
- 113191771
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 765 KB
- Volume
- 72
- Category
- Article
- ISSN
- 0027-5107
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We have constructed double mutants carrying either ssb-1 or ssb-113 alleles, which encode temperature-sensitive single strand DNA binding proteins (SSB), and the uvrD::Tn5 allele causing deficiency in DNA helicase II, and have examined sensitivity to ultraviolet light (UV), recombination and spontan
We have transduced the mutant allele ssb-1, which encodes a temperature-sensitive single-strand DNA binding protein (SSB), into several Escherichia coli strains, and have examined colony-forming ability, DNA replication, sensitivity to ultraviolet light (UV) and UV-induced mutability at the nonpermi