title: Coliphage lambdanutL-: a unique class of mutants defective in the site of gene N product utilization for antitermination of leftward transcription.
mesh_terms: D002872:Chromosome Deletion; D002874:Chromosome Mapping; D003090:Coliphages / Q000235:genetics*; D004926:Escherichia coli; D005809:Genes, Regulator; D005814:Genes, Viral; D005816:Genetic Complementation Test; D009154:Mutation; D014176:Protein Biosynthesis; D014158:Transcription, Genetic