title: Dominance study with rifampicin-resistant mutants of E. coli K 12.
mesh_terms: D002876:Chromosomes, Bacterial / Q000032:analysis*; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects*; D005799:Genes, Dominant; D005827:Genetics, Microbial; D009154:Mutation; D010641:Phenotype; D012316:RNA Nucleotidyltransferases / Q000096:biosynthesis; D011995:Recombination, Genetic; D012293:Rifampin / Q000494:pharmacology*
chemical_list: D012316:RNA Nucleotidyltransferases; D012293:Rifampin