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. 2006 Aug;188(16):5831–5838. doi: 10.1128/JB.00630-06

FIG. 1.

FIG. 1.

Mutagenic and antimutagenic effects of the bacteriophage P1 Hot gene. Shown are the effects of the θ or Hot protein on several dnaQ mutator mutants and on dnaQ+ control strains. The strains are derivatives of MG1655 containing the dnaQ49, dnaQ924, dnaQ928, dnaQ930, or dnaQ+ allele in either the MG1655 (wt) (light gray), NR13104 (ΔholE) (white), or NR16315 (ΔholE::hot) (dark gray) background. All strains are mismatch repair proficient, except for the dnaQ+ mutL::Tn5 set (last entry). Cultures were grown and plated at 30°C (dnaQ49) or 37°C (others). The frequencies of rifampin-resistant mutants were calculated for 12 to 15 independent cultures for each strain, and the data were analyzed using Prism software (GraphPad). The graph shows the median values and interquartile ranges for the frequencies of rifampin-resistant mutants.