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  • Title: Enhancement of rutin in Fagopyrum esculentum hairy root cultures by the Arabidopsis transcription factor AtMYB12.
    Author: Park NI, Li X, Thwe AA, Lee SY, Kim SG, Wu Q, Park SU.
    Journal: Biotechnol Lett; 2012 Mar; 34(3):577-83. PubMed ID: 22113884.
    Abstract:
    Common buckwheat (Fagopyrum esculentum Moench) is rich in phenolic compounds and may be useful for the treatment of metabolic syndrome in humans. To improve the production of rutin in buckwheat, we overexpressed the flavonol-specific transcription factor, AtMYB12 using Agrobacterium rhizogenes into hairy root culture systems. This induced the expression of flavonoid biosynthetic genes encoding phenylalanine ammonia lyase, cinnamate 4-hydroxylase, 4-coumarate:CoA ligase, chalcone synthase, chalcone isomerase, flavone 3-hydroxylase, flavonoid 3'-hydroxylase, and flavonol synthase. This led to the accumulation of rutin in buckwheat hairy roots up to 0.9 mg/g dry wt. PAP1 expression, however, did not correlate with the production of rutin.
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