title: Amber red- mutants of phage lambda.
mesh_terms: D003090:Coliphages; D004267:DNA Viruses; D003673:Defective Viruses; D005815:Genetic Code; D005816:Genetic Complementation Test; D009154:Mutation; D010443:Peptide Chain Termination, Translational; D011995:Recombination, Genetic