title: A mutant of Escherichia coli defective in ribonucleosidediphosphate reductase. 1. Isolation of the mutant as a deoxyuridine auxotroph.
mesh_terms: D000429:Alcohol Oxidoreductases; D000619:Aminohydrolases; D003470:Culture Media; D003841:Deoxycytidine; D003854:Deoxyribonucleotides / Q000378:metabolism; D003857:Deoxyuridine; D004926:Escherichia coli / Q000201:enzymology* / Q000302:isolation & purification; D005827:Genetics, Microbial; D009154:Mutation; D010641:Phenotype; D012265:Ribonucleotides / Q000378:metabolism; D013936:Thymidine; D013940:Thymidylate Synthase; D013942:Thymine Nucleotides / Q000378:metabolism; D014295:Trimethoprim; D014500:Uracil Nucleotides / Q000378:metabolism
chemical_list: D003470:Culture Media; D003854:Deoxyribonucleotides; D012265:Ribonucleotides; D013942:Thymine Nucleotides; D014500:Uracil Nucleotides; D003841:Deoxycytidine; D014295:Trimethoprim; D000429:Alcohol Oxidoreductases; D013940:Thymidylate Synthase; D000619:Aminohydrolases; D013936:Thymidine; D003857:Deoxyuridine