Figure 1.

Flavonoid Biosynthetic Pathway Indicating Cloned Loci (I, T, Wp, and W3) Influencing Flower, Hypocotyl, Pubescence, and Seed Coat Color in G. max.

Enzymes are indicated in uppercase letters. PAL, Phe ammonia-lyase; C4H, cinnamate 4-hydroxylase; 4CL, 4-coumarate:CoA ligase; CHS, chalcone synthase; CHI, chalcone isomerase; IFS, isoflavone synthase; F3′H, flavonoid 3′-hydroxylase; F3′, 5′H, flavonoid 3′,5′-hydroxylase; F3H, flavanone 3-hydroxylase; DFR, dihydroflavonol-4-reductase; ANS, anthocyanidin synthase (also called LDOX for leucoanthocyanidin dioxygenase); UFGT, UDP-flavonoid glucosyltransferase.