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  • Title: [Lethal and mutagenic action of UV light on salmonellae carrying wild or mutant alleles of the Escherichia coli lexA-gene].
    Author: Andreeva IV, Tiganova IG, Skavronskaia AG.
    Journal: Genetika; 1981; 17(1):60-5. PubMed ID: 7014362.
    Abstract:
    To elucidate the reasons for the absence of UV-mutability in Salmonella typhimurium, the lexA gene of Escherichia coli has been transduced by phage P1 into S. typhimurium. The functioning of lexA+ allele of E. coli in the chromosome of Salmonella failed to cause UV-mutability of the hybrid. The transfer of pKM101 plasmid into the LexA+ hybrid mediates the expressed UV mutability and UV-protective plasmid effect. This plasmid harboured by the LexA hybrid fails to increase UV-resistance and mutability, thus showing the dependence of plasmid mediated effect on LexA+ phenotype.
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