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Fig. 4 | BMC Plant Biology

Fig. 4

From: Stability of petal color polymorphism: the significance of anthocyanin accumulation in photosynthetic tissues

Fig. 4

Simplified flavonoid biosynthetic pathway in Silene littorea. Enzymatic activities (capital letters next to arrows) and metabolic products are indicated. Main anthocyanins and flavones detected by HPLC-DAD-MSn are in boxes with red, green and yellow letters for compounds found in petals, photosynthetic tissues or both, respectively. The biosynthetic route was divided into early and late halves using a dotted line based on genes involved in the synthesis of upstream (flavones) and downstream (anthocyanins) products of the biosynthetic pathway. CHS: chalcone synthase; CHI, chalcone isomerase; F3’H, flavonoid 3’hydroxylase; FNS, flavone synthase; F3H, flavanone-3-hydroxylase; DFR, dihydroflavonol 4-reductase; ANS, anthocyanidin synthase; GT, glucosyl transferase; RT, rhamnosyl transferase; AT, acyltransferase

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