Selective alleviation of Mitomycin C sensitivity in lexA3 strains of Escherichia coli demands allele specificity of rif-nal mutations: a pivotal role for rpoB87-gyrA87 mutations.

Abstract excerpt

Very recently, we have reported about an unconventional mode of elicitation of Mitomycin C (MMC) specific resistance in lexA3 (SOS repair deficient) mutants due to a combination of Rif-Nal mutations (rpoB87-gyrA87). We have clearly shown that UvrB is mandatory for this unconventional MMC resistance in rpoB87-gyrA87-lexA3 strains and uvrB is expressed more even without DNA damage induction from its LexA dependent...

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