title: Effects of limiting different urine nucleotide precursors on nucleic acid synthesis and nucleotide pools of purine-requiring mutants of Escherichia coli.
mesh_terms: D000225:Adenine / Q000378:metabolism; D002247:Carbon Isotopes; D004247:DNA / Q000096:biosynthesis*; D004926:Escherichia coli / Q000378:metabolism*; D009154:Mutation; D009705:Nucleosides / Q000378:metabolism; D009711:Nucleotides / Q000378:metabolism*; D009751:Nutritional Requirements; D011687:Purines / Q000378:metabolism*; D012313:RNA / Q000096:biosynthesis*
chemical_list: D002247:Carbon Isotopes; D009705:Nucleosides; D009711:Nucleotides; D011687:Purines; D012313:RNA; D004247:DNA; D000225:Adenine