Incorporation of aspartate and malate into the pyridine ring of nicotine.
D001224:Aspartic Acid / Q000378:metabolism*; D001622:Betaine; D005227:Fatty Acids; D066298:In Vitro Techniques; D008293:Malates / Q000378:metabolism*; D009538:Nicotine / Q000096:biosynthesis*; D009539:Nicotinic Acids; D010947:Plants, Toxic; D011725:Pyridines / Q000096:biosynthesis*; D011728:Pyridones; D014026:Nicotiana / Q000378:metabolism*
D005227:Fatty Acids; D008293:Malates; D009539:Nicotinic Acids; D011725:Pyridines; D011728:Pyridones; D001224:Aspartic Acid; D001622:Betaine; D009538:Nicotine