Induced biosynthesis of resveratrol and the prenylated stilbenoids arachidin-1 and arachidin-3 in hairy root cultures of peanut: Effects of culture medium and growth stage

Plant Physiol Biochem. 2010 May;48(5):310-8. doi: 10.1016/j.plaphy.2010.01.008. Epub 2010 Jan 21.


Previously, we have shown that hairy root cultures of peanut provide a controlled, sustainable and scalable production system that can be induced to produce stilbenoids. However to leverage peanut hairy roots to study the biosynthesis of this polyphenolic biosynthetic pathway, growing conditions and elicitation kinetics of these tissue cultures must be defined and understood. To this end, a new peanut cv. Hull hairy root (line 3) that produces resveratrol and its prenylated analogues arachidin-1 and arachidin-3 upon sodium acetate-mediated elicitation was established. Two culture media were compared for impact on root growth and stilbenoid biosynthesis/secretion. The levels of ammonium, nitrate, phosphate and residual sugars were monitored along growth and elicitation period. A modified MS (MSV) medium resulted in higher root biomass when compared to B5 medium. The stilbenoid profile after elicitation varied depending on the age of the culture (6, 9, 12, and 15-day old). After elicitation at day 9 (exponential growth in MSV medium), over 90% of the total resveratrol, arachidin-1 and arachidin-3 accumulated in the medium. Our studies demonstrate the benefits of the hairy root culture system to study the biosynthesis of stilbenoids including valuable prenylated polyphenolic compounds.

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Arachis / growth & development
  • Arachis / metabolism*
  • Cells, Cultured
  • Culture Media
  • Hemiterpenes / metabolism*
  • Plant Extracts / metabolism*
  • Plant Roots / growth & development
  • Plant Roots / metabolism*
  • Sodium Acetate / pharmacology
  • Stilbenes / metabolism*
  • Tissue Culture Techniques*


  • Culture Media
  • Hemiterpenes
  • Plant Extracts
  • Stilbenes
  • arachidin-1
  • arachidin-3
  • Sodium Acetate