title: The occurrence of suppressors in caffeine-resistant mutants from E. coli K12.
mesh_terms: D002110:Caffeine / Q000494:pharmacology*; D003090:Coliphages; D004269:DNA, Bacterial / Q000528:radiation effects*; D004279:DNA, Viral / Q000528:radiation effects; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects; D005796:Genes; D005827:Genetics, Microbial; D009154:Mutation; D011687:Purines; D011831:Radiation Genetics; D013489:Suppression, Genetic; D014466:Ultraviolet Rays
chemical_list: D004269:DNA, Bacterial; D004279:DNA, Viral; D011687:Purines; D002110:Caffeine