期刊
BIOTECHNOLOGY LETTERS
卷 34, 期 3, 页码 577-583出版社
SPRINGER
DOI: 10.1007/s10529-011-0807-1
关键词
Buckwheat; Flavonoids; Hairy root; Rutin; Transcription factor
资金
- Ministry for Health, Welfare & Family Affairs, Republic of Korea [A091220]
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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