Improved cardenolide production in Calotropis gigantea hairy roots using mechanical wounding and elicitation |
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| Authors: | Sun Jian Xiao Jie Wang Xiaodong Yuan Xiaofan Zhao Bing |
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| Institution: | (1) National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China;(2) Graduate University of Chinese Academy of Sciences, Beijing, 100049, China |
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| Abstract: | A hairy root culture system of Calotropis gigantea was established and effects of mechanical wounding (MW) and elicitors methyl jasmonate (MJ), yeast extract (YE) and chitosan
(CS)] on cardenolide production were investigated. All treatments stimulated the production of cardenolide in hairy root cultures
of C. gigantea. CS was the most effective elicitor, followed by MJ. YE and MW also improved cardenolide yield in individual treatments.
The highest cardenolide yield (1,050 ± 55 mg/l) was obtained after adding 50 mg CS/l for 20 days, which was 2.7-fold higher
than the control. |
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