Suppression of the lexC (ssbA) mutation of Escherichia coli by a mutant of bacteriophage P1.
A new mutant of bacteriophage P1 designated lxc that suppresses the phenotype of lexC and ssbA mutants of Escherichia coli was isolated and characterized. The properties of lexC mutants suppressed by the lxc mutation include temperature sensitive growth at 42 degrees C, sensitivity to ultraviolet light and alkylating agents, and a nonmutagenic response following exposure to ultraviolet irradiation. A bac mutant of bacteriophage P1 that suppresses the temperature sensitivity of dnaB mutants does not affect the phenotype of lexC or ssbA mutants. Neither the lxc or bac mutations affect the ultraviolet light sensitivity of strains with the mutations uvrA155, lexA102, or recA56.
18 references, click to expand
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