Localization of the plasmid (pKM101) gene(s) involved in recA + lexA +-dependent mutagenesis

  title={Localization of the plasmid (pKM101) gene(s) involved in recA + lexA +-dependent mutagenesis},
  author={William G. Shanabruch and Graham C Walker},
  journal={Molecular and General Genetics MGG},
Twenty Tn5 insertion mutants of the drug resistance plasmid pKM101 have been isolated that are unable to enhance mutagenesis with ultraviolet (UV) irradiation or methyl methanesulfonate. By restriction mapping, the Tn5 insertion in each of these pKM101 mutants was shown to be within a 1.9 kb region of the plasmid genome. We have termed this segment of the pKM101 map the muc (mutagenesis: UV and chemical) gene(s). Characterization of these mutants indicated that any Tn5 insertion within the muc… CONTINUE READING

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Enterobaeteriaceae plasmids enhancing chemical mutagenesis and their distribution among incompatibility groups

  • AM Molina, N Babudri, M Tamaro, S Venturini, C Monti-Bragadin
  • FEMS Microbiol Letters
  • 1979
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