FIGURE 2.

Biosynthesis of different aromatic compounds derived from the extended shikimate pathway. DHQS, 3-dehydroquinate synthase; DHQD, 3-dehydroquinate dehydratase; 3-DHSD, 3-dehydroshikimate dehydratase; CAR, carboxylic acid reductase; PCAD, protocatechuic acid decarboxylase; O-MT, O-methyltransferase; ICS, isochorismate synthase; CHOPL, chorismate pyruvate lyase; IPL, isochorismate pyruvate lyase; 4-HBAH, 4-hydroxybenzoic acid hydroxylase; CM, chorismate mutase; KDC, phenylpyruvate decarboxylase; ADH, alcohol dehydrogenase; PAL, phenylalanine ammonia lyase; C4H, cinnamate 4-hydroxylase; TAL, tyrosine ammonia lyase; FCS, feruloyl-CoA synthetase; ECH, feruloyl-CoA hydratase/lyase; C3H, p-coumarate 3-hydroxylase; AT, aminotransaminase. Solid lines indicate a single step; dotted lines indicate multiple steps.