Effect of hydrogen peroxide on Escherichia coli radC

ABSTRACT

High sensitivity to ionizing raddiation is observed in Escherichia coli radC mutants. This is not seen for H2O2-treated cells but when polA mutation is also presente, cells are more sensitive than in the presence of the recA mutation. an increase in inactivation was observed for strains tested when cells are grown in minimal medium and starvation- induced resistance is observed in H2O2- treated cells