title: Putrescine biosynthesis in Escherichia coli. Regulation through pathway selection.
mesh_terms: D001120:Arginine / Q000032:analysis / Q000096:biosynthesis / Q000378:metabolism*; D002082:Butylamines / Q000096:biosynthesis*; D004790:Enzyme Induction; D004926:Escherichia coli / Q000378:metabolism*; D008954:Models, Biological; D009952:Ornithine / Q000032:analysis / Q000378:metabolism; D009954:Ornithine Carbamoyltransferase / Q000378:metabolism; D014508:Urea / Q000096:biosynthesis
chemical_list: D002082:Butylamines; D014508:Urea; D001120:Arginine; D009952:Ornithine; D009954:Ornithine Carbamoyltransferase