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Three genes encoding flavonoid 3'-hydroxylase (F3'H) in apple (Malus x domestica), designated MdF3'HI, MdF3'HIIa, and MdF3'HIIb, have been identified. MdF3'HIIa and MdF3'HIIb are almost identical in amino acid sequences, and they are allelic, whereas MdF3'HI has 91% nucleotide sequence identity in
Grape hyacinth (Muscari spp.) is a popular ornamental plant with bulbous flowers noted for their rich blue color. Muscari species have been thought to accumulate delphinidin and cyanidin rather than pelargonidin-type anthocyanins because their dihydroflavonol 4-reductase (DFR) does not
Dihydroflavonol-4-reductase (DFR; EC1.1.1.219) catalyzes a key step late in the biosynthesis of anthocyanins, condensed tannins (proanthocyanidins), and other flavonoids important to plant survival and human nutrition. Two DFR cDNA clones (MtDFR1 and MtDFR2) were isolated from the model legume
The woodland strawberry, Fragaria vesca is a model fruit for a number of rosaceous crops. We have engineered altered concentrations of anthocyanin in F. vesca, to determine the impact on plant growth and fruit quality. Anthocyanin concentrations were significantly increased by over-expression or