Regulation of Proanthocyanidin Biosynthesis

The bHLH and MYB factors are thought to be direct activators of PA production. Knockout and gain of function experiments have demonstrated that TT2 (MYB) and TT8 (bHLH) interact to upregulate LBGs, but not EBGs such as 137,282,283 may be a key 

Genetic Loci of A. thaliana Involved in Flavonoid Biosynthesis for which Genetic Mutants and the Encoded Product Have Been Characterized 

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