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N Use By Plants
Nitrate Assimilation
Ammonia Assimilation
Glu, Gln, Asn, Gly, Ser
Asp, Ala, GABA
Val, Leu, Ileu, Thr, Lys
Pro, Arg, Orn
Non-protein AAs
Sulfate Assimilation
Cys, Met, AdoMet, ACC
His, Phe, Tyr, Tryp
Secondary Products
Onium Compounds
HORT640 - Metabolic Plant Physiology

Polyamines, nonprotein amino acids and alkaloids

Cadaverine synthesis

The diamine cadaverine is derived from the amino acid lysine by decarboxylation. Its synthesis is catalyzed by lysine decarboxylase [EC]. Cadaverine may play an important role in root development (Gamarnik and Frydman, 1991).


Flores HE, Protacio CM, Signs MW 1989 Primary and secondary metabolism of polyamines in plants. In "Plant Nitrogen Metabolism" (JE Poulton, JT Romeo, EE Conn eds), Rec. Adv. Phytochem, Vol 23, Plenum Press, New York, pp. 329-393.

Gamarnik A, Frydman RB 1991 Cadaverine, an essential diamine for the normal root development of germinating soybean (Glycine max) seeds. Plant Physiol. 97: 778-785.

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Last Update: 10/01/09