title: Defective phage formation by lysogens of integration deficient phage P22 mutants.
mesh_terms: D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D003433:Crosses, Genetic; D004269:DNA, Bacterial / Q000032:analysis; D004279:DNA, Viral / Q000032:analysis; D003673:Defective Viruses; D005827:Genetics, Microbial; D006358:Hot Temperature; D008242:Lysogeny; D009154:Mutation; D009691:Nucleic Acid Denaturation; D010759:Phosphorus Isotopes; D012483:Salmonella Phages / Q000528:radiation effects; D012486:Salmonella typhimurium; D013936:Thymidine / Q000378:metabolism; D014161:Transduction, Genetic; D014316:Tritium; D014466:Ultraviolet Rays; D014529:Uridine / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D004269:DNA, Bacterial; D004279:DNA, Viral; D010759:Phosphorus Isotopes; D014316:Tritium; D013936:Thymidine; D014529:Uridine