title: Genetic study of mutants of Escherichia coli K-12 with a thymidine phosphorylase deficiency.
mesh_terms: D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D003227:Conjugation, Genetic; D003433:Crosses, Genetic; D003470:Culture Media; D004926:Escherichia coli / Q000187:drug effects / Q000201:enzymology* / Q000254:growth & development; D005816:Genetic Complementation Test; D008040:Genetic Linkage; D009154:Mutation; D009604:Nitrosoguanidines / Q000494:pharmacology; D010430:Pentosyltransferases / Q000172:deficiency*; D010641:Phenotype; D013936:Thymidine
chemical_list: D003470:Culture Media; D009604:Nitrosoguanidines; D010430:Pentosyltransferases; D013936:Thymidine