title: Lysogenization by phage P22 carrying amber mutations in genes 12 and 18.
mesh_terms: D004279:DNA, Viral; D005799:Genes, Dominant; D005808:Genes, Recessive; D008242:Lysogeny; D009154:Mutation; D010641:Phenotype; D012483:Salmonella Phages; D012486:Salmonella typhimurium
chemical_list: D004279:DNA, Viral