title: Interaction of RNA polymerase mutations in haploid and merodiploid cells of Escherichia coli K-12.
mesh_terms: D002876:Chromosomes, Bacterial / Q000032:analysis; D003227:Conjugation, Genetic; D004171:Diploidy; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects* / Q000201:enzymology; D005827:Genetics, Microbial; D006238:Haploidy; D009154:Mutation; D012316:RNA Nucleotidyltransferases / Q000032:analysis / Q000378:metabolism*; D012293:Rifampin / Q000494:pharmacology*
chemical_list: D012316:RNA Nucleotidyltransferases; D012293:Rifampin