title: A new approach to the isolation of potential transcription mutants of Escherichia coli.
mesh_terms: D003090:Coliphages / Q000187:drug effects / Q000378:metabolism; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism; D004492:Edetic Acid / Q000494:pharmacology; D004926:Escherichia coli / Q000187:drug effects / Q000378:metabolism*; D009154:Mutation; D013696:Temperature; D014158:Transcription, Genetic; D014779:Virus Replication
chemical_list: D004492:Edetic Acid; D012321:DNA-Directed RNA Polymerases