title: Growth of lambda variants with added or altered promoters in N-limiting bacterial mutants: evidence that an N recognition site lies in the PR promoter.
mesh_terms: D003090:Coliphages / Q000254:growth & development*; D004926:Escherichia coli / Q000378:metabolism*; D014644:Genetic Variation; D009154:Mutation; D009876:Operon; D013696:Temperature; D014158:Transcription, Genetic; D014779:Virus Replication