title: Mutants of bacteriophage lambda unable to integrate into the host chromosome.
mesh_terms: D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D003090:Coliphages; D004269:DNA, Bacterial; D004279:DNA, Viral; D004926:Escherichia coli; D005816:Genetic Complementation Test; D005827:Genetics, Microbial; D006358:Hot Temperature; D008242:Lysogeny; D009154:Mutation
chemical_list: D004269:DNA, Bacterial; D004279:DNA, Viral