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Glycyrrhizin Production by in Vitro Cultured Glycyrrhiza Glabra Elicited by Methyl Jasmonate and Salicylic Acid1 Publisher



Shabani L1 ; Ehsanpour AA1 ; Asghari G2 ; Emami J2
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Authors Affiliations
  1. 1. Department of Biology, Isfahan University, Isfahan, Iran
  2. 2. Department of Pharmacognosy, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Russian Journal of Plant Physiology Published:2009


Abstract

Licorice (Glycyrrhiza glabra L. var. glabra, Fabaceae) is considered as a model plant synthesizing triterpenoid secondary compounds. It is known that glycyrrhizin is accumulated in thickened intact licorice roots. The effects of methyl jasmonate (MeJa) and salicylic acid (SA) on plant growth and production of glycyrrhizin in the roots of in vitro cultured 65-day-old plants were studied. Increasing amounts of glycyrrhizin in the roots treated with MeJa inhibited root growth, while SA increased the amount of glycyrrhizin without negative effects on growth. Treatment of plantlets with 0.1–2 mM MeJa and 0.1 and 1 mM SA enhanced the production of glycyrrhizin by 3.8 and 4.1 times, respectively, as compared to the controls. Results support the hypothesis that production of glycyrrhizin is related to a defense response system of the licorice. © Pleiades Publishing, Ltd., 2009.
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