title: Evidence for two immunity regulator systems in temperature bacteriophages P22 and L.
mesh_terms: D002874:Chromosome Mapping; D005809:Genes, Regulator; D005827:Genetics, Microbial; D007109:Immunity; D008242:Lysogeny; D011995:Recombination, Genetic; D012483:Salmonella Phages / Q000276:immunology*; D012486:Salmonella typhimurium