title: Isolation, characterization and deletion mapping of amber mutations in the cll gene of phage lambda.
mesh_terms: D002874:Chromosome Mapping; D003090:Coliphages; D004926:Escherichia coli; D005796:Genes; D005809:Genes, Regulator; D005815:Genetic Code; D005816:Genetic Complementation Test; D008040:Genetic Linkage; D008242:Lysogeny; D009154:Mutation; D010443:Peptide Chain Termination, Translational; D011995:Recombination, Genetic; D013489:Suppression, Genetic