title: Repression of induction by U.V. of lambda phage by exrA mutations in Escherichia coli.
mesh_terms: D003090:Coliphages; D004247:DNA / Q000378:metabolism; D004926:Escherichia coli / Q000528:radiation effects; D008242:Lysogeny; D009154:Mutation; D011830:Radiation Effects; D011995:Recombination, Genetic; D013696:Temperature; D014466:Ultraviolet Rays
chemical_list: D004247:DNA