title: Mutants of Escherichia coli unable to metabolize cytidine: isolation and characterization.
mesh_terms: D000446:Aldehyde-Lyases / Q000096:biosynthesis; D000619:Aminohydrolases / Q000096:biosynthesis; D002874:Chromosome Mapping; D003562:Cytidine / Q000378:metabolism*; D004790:Enzyme Induction; D004926:Escherichia coli / Q000302:isolation & purification / Q000378:metabolism* / Q000528:radiation effects; D005461:Fluorine; D005796:Genes; D005815:Genetic Code; D009154:Mutation; D009604:Nitrosoguanidines; D010428:Pentosephosphates; D010430:Pentosyltransferases / Q000096:biosynthesis; D010641:Phenotype; D010770:Phosphotransferases / Q000096:biosynthesis; D011831:Radiation Genetics; D013053:Spectrophotometry; D013329:Structure-Activity Relationship; D013936:Thymidine; D014161:Transduction, Genetic; D014466:Ultraviolet Rays; D014529:Uridine
chemical_list: D009604:Nitrosoguanidines; D010428:Pentosephosphates; D005461:Fluorine; D003562:Cytidine; D010430:Pentosyltransferases; D010770:Phosphotransferases; D000619:Aminohydrolases; D000446:Aldehyde-Lyases; D013936:Thymidine; D014529:Uridine