UV-mutable hybrids of Salmonella incorporating Escherichia coli region adjacent to tryptophan operon
- PMID: 7045586
- DOI: 10.1007/BF00330804
UV-mutable hybrids of Salmonella incorporating Escherichia coli region adjacent to tryptophan operon
Abstract
Salmonella typhimurium recombinants have been constructed which have acquired UV-induced mutability. Such recombinants were obtained after transfer of plasmid F'126 from E. coli. UV-mutability was acquired by UV-stable Salmonella as a nonselective marker after selection of trp+ marker in 2.5% of the cases. Possible deficiency in UV-stable Salmonella of the umuC gene is discussed.
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