Summary
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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Skavronskaya, A.G., Stepanova, N.F. & Andreeva, I.V. UV-mutable hybrids of Salmonella incorporating escherichia coli Region adjacent to Tryptophan operon. Molec. Gen. Genet. 185, 315–318 (1982). https://doi.org/10.1007/BF00330804
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DOI: https://doi.org/10.1007/BF00330804