title: Modification-deficient mutants of bacteriophage P1. I. Restriction by P1 cryptic lysogens.
mesh_terms: D000483:Alleles; D003090:Coliphages / Q000254:growth & development*; D004267:DNA Viruses; D004279:DNA, Viral; D004926:Escherichia coli; D005816:Genetic Complementation Test; D006358:Hot Temperature; D008242:Lysogeny; D008954:Models, Biological; D009154:Mutation; D012328:RNA Viruses; D012762:Shigella dysenteriae; D010948:Viral Plaque Assay; D014779:Virus Replication
chemical_list: D004279:DNA, Viral