Figure 6.

Overview of the flavonoid pathway in D. variabilis. In black cultivars, branches leading to yellow 6’-deoxychalcones and 4-deoxyaurones and colourless flavones are blocked and low amounts of flavonols are formed. Flux into anthocyanin formation is considerably enhanced. In white and yellow cultivars the pathway to anthocyanins is commonly blocked at the level of DFR.

Thill et al. BMC Plant Biology 2012 12:225   doi:10.1186/1471-2229-12-225
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