title: On the identity of two bacterial mutator genes: effects of antimutagens.
mesh_terms: D004269:DNA, Bacterial; D004926:Escherichia coli; D005796:Genes; D009154:Mutation / Q000187:drug effects; D011796:Quinacrine / Q000494:pharmacology*; D013096:Spermine / Q000494:pharmacology*
chemical_list: D004269:DNA, Bacterial; D013096:Spermine; D011796:Quinacrine