title: BIOSYNTHESIS OF ALKALOIDS.
mesh_terms: D000470:Alkaloids; D004798:Enzymes; D008660:Metabolism; D009525:Niacin; D009539:Nicotinic Acids; D010880:Piperidines; D011725:Pyridines; D012106:Research; D014364:Tryptophan
chemical_list: D000470:Alkaloids; D004798:Enzymes; D009539:Nicotinic Acids; D010880:Piperidines; D011725:Pyridines; D009525:Niacin; D014364:Tryptophan
keywords: ALKALOIDS; ENZYMES; EXPERIMENTAL LAB STUDY; METABOLISM; NICOTINIC ACID; PIPERIDINES; PYRIDINES; REVIEW; TRYPTOPHAN