Mutants of bacteriophage lambda which do not requre the cIII gene for efficient lysogenization.
D002874:Chromosome Mapping; D003090:Coliphages / Q000235:genetics* / Q000254:growth & development; D005809:Genes, Regulator; D005814:Genes, Viral; D008242:Lysogeny; D009154:Mutation; D013696:Temperature