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A complex of R2R3-MYB and bHLH transcription factors, stabilized by WD40 repeat proteins, regulates gene transcription for plant cell pigmentation and epidermal cell morphology. It is the MYB component of this complex which specifies promoter target activation. The Arabidopsis MYB TT2 regulates proanthocyanidin (PA) biosynthesis by activating the expression(More)
The alkaloids characteristically produced by the subfamily Amaryllidoideae of the Amaryllidaceae, bulbous plant species that include well know genera such as Narcissus (daffodils) and Galanthus (snowdrops), are a source of new pharmaceutical compounds. Presently, only the Amaryllidaceae alkaloid galanthamine, an acetylcholinesterase inhibitor used to treat(More)
Flowers and leaves of Lotus japonicus contain α-, β-, and γ-hydroxynitrile glucoside (HNG) defense compounds, which are bioactivated by β-glucosidase enzymes (BGDs). The α-HNGs are referred to as cyanogenic glucosides because their hydrolysis upon tissue disruption leads to release of toxic hydrogen cyanide gas, which can deter herbivore feeding. BGD2 and(More)
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