Biosynthesis and genetic engineering of proanthocyanidins and (iso)flavonoids

Li Tian, Yongzhen Pang, Richard A. Dixon

Research output: Contribution to journalArticlepeer-review

66 Scopus citations


Plant natural products have been used since ancient times as medicines and herbal remedies. Over the past two decades, the results of population and intervention studies, or assays in animal or cell model systems, have revealed positive health beneficial effects for various classes of phytochemicals, particularly polyphenols. The results of such studies have ignited an interest in being able to manipulate the levels of such bioactive compounds in plants using biotechnological approaches. Although still in its infancy, this technology promises to deliver health benefits to humans and animals through direct consumption of genetically-modified or -enhanced dietary plant materials. We here review the strategies currently being used for engineering two classes of nutraceuticals, the proanthocyanidins and the isoflavones, in transgenic plants. We also provide an overview of recent advances in our understanding of the biosynthesis of these classes of compounds.

Original languageEnglish (US)
Pages (from-to)445-465
Number of pages21
JournalPhytochemistry Reviews
Issue number3
StatePublished - Oct 2008
Externally publishedYes


  • Genetic engineering
  • Isoflavone
  • Nutraceutical
  • Proanthocyanidin

ASJC Scopus subject areas

  • Molecular Medicine
  • Plant Science
  • Biotechnology


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