title: Superinfection exclusion by P22 prophage in lysogens of Salmonella typhimurium. III. Failure of superinfecting phage DNA to enter sieA+ lysogens.
mesh_terms: D003227:Conjugation, Genetic; D004261:DNA Replication; D004279:DNA, Viral; D005809:Genes, Regulator; D006358:Hot Temperature; D007109:Immunity; D008242:Lysogeny; D010761:Phosphorus Radioisotopes; D012483:Salmonella Phages / Q000276:immunology; D012486:Salmonella typhimurium; D014316:Tritium; D014779:Virus Replication
chemical_list: D004279:DNA, Viral; D010761:Phosphorus Radioisotopes; D014316:Tritium