title: Mutants of Escherichia coli with a defect in the degradation of nonsense fragments.
mesh_terms: D002247:Carbon Isotopes; D002874:Chromosome Mapping; D004926:Escherichia coli / Q000201:enzymology*; D005696:Galactosidases / Q000096:biosynthesis* / Q000378:metabolism; D005796:Genes; D005815:Genetic Code; D007700:Kinetics; D009154:Mutation; D009876:Operon; D010455:Peptides / Q000378:metabolism*; D010641:Phenotype; D011995:Recombination, Genetic
chemical_list: D002247:Carbon Isotopes; D010455:Peptides; D005696:Galactosidases