title: Effect of R factors on rifampicin resistance in E. coli.
mesh_terms: D002247:Carbon Isotopes; D003433:Crosses, Genetic; D003609:Dactinomycin / Q000494:pharmacology; D004352:Drug Resistance, Microbial; D004917:Erythromycin / Q000494:pharmacology; D004926:Escherichia coli / Q000187:drug effects / Q000201:enzymology / Q000378:metabolism; D005827:Genetics, Microbial; D008826:Microbial Sensitivity Tests; D009154:Mutation; D012316:RNA Nucleotidyltransferases / Q000037:antagonists & inhibitors; D012329:RNA, Bacterial / Q000096:biosynthesis; D011995:Recombination, Genetic; D012293:Rifampin / Q000494:pharmacology*; D014498:Uracil / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D012329:RNA, Bacterial; D003609:Dactinomycin; D014498:Uracil; D004917:Erythromycin; D012316:RNA Nucleotidyltransferases; D012293:Rifampin