On the mechanism of production of tandem genetic duplications in phage lambda
โ Scribed by Scott W. Emmons; Virginia MacCosham; Robert L. Baldwin
- Book ID
- 118917764
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- English
- Weight
- 588 KB
- Volume
- 95
- Category
- Article
- ISSN
- 0022-2836
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E. coli recF mutants have a greatly reduced capacity for Weigle mutagenesis of ultraviolet light-irradiated lambda phage. A recF 332::Tn3 mutation was introduced into an E. coli recA441 lexA51 strain which constitutively expresses SOS functions. Weigle mutagenesis of phage lambda could occur in the
Selection for 3-amino-l,2,4-triazole (AT) resistance in certain strains of Salmonella typhimurium has been previously shown to select for genetic tandem duplications of the histidine operon. We show here that agents which induce tandem duplications are less effective in such induction in the presenc