title: Nicotinamide adenine dinucleotide as a precursor of nicotine in Nicotiana rustica L.
mesh_terms: D002247:Carbon Isotopes; D066298:In Vitro Techniques; D009243:NAD / Q000378:metabolism*; D009538:Nicotine / Q000096:biosynthesis*; D009539:Nicotinic Acids / Q000378:metabolism*; D010947:Plants, Toxic; D011725:Pyridines / Q000378:metabolism*; D014026:Nicotiana / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D009539:Nicotinic Acids; D011725:Pyridines; D009243:NAD; D009538:Nicotine