title: Obligate thymidine auxotrophs of Pseudomonas acidovorans.
abstract: The aminopterin technique was adapted for the isolation of thymidine auxotrophs of Pseudomonas acidovorans. All the mutants isolated responded to thymidine but not to thymine.
mesh_terms: D000630:Aminopterin; D003470:Culture Media; D009154:Mutation; D010770:Phosphotransferases / Q000378:metabolism; D011549:Pseudomonas / Q000201:enzymology / Q000254:growth & development / Q000302:isolation & purification / Q000378:metabolism*; D013936:Thymidine / Q000378:metabolism*; D013941:Thymine / Q000378:metabolism; D014295:Trimethoprim
chemical_list: D003470:Culture Media; D014295:Trimethoprim; D010770:Phosphotransferases; D000630:Aminopterin; D013941:Thymine; D013936:Thymidine