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Efecto de la aplicación de elicitores sobre la producción de 4b-hidroxiwithanólido E, en raíces transformadas de Physalis peruviana L

By Yineth Piñeros-Castro, Ángela Otálvaro-álvarez and Mario Velásquez-Lozano


Effect of elicitor application on the production of 4-b-hydroxy withanolide E by hairy roots of Physalis peruviana. Objectives: Tostudy the metabolite 4-b-hydroxy withanolide E production by the in vitro culture of golden berry (Physalis peruviana L.) transformedroots, and to evaluate the effect of different elicitors on the metabolite production. Materials and methods: Hairy roots of Physalisperuviana L were obtained through infection with Agrobacterium rhizogenes C106. Hairy roots were cultured on Murashige & Skoogliquid medium for four weeks, before being exposed to different concentrations of copper sulfate, salicylic acid and jasmonic acid during24 hours. Metabolite contents were quantified using High Performance Liquid Chromatography. Results: The highest amount of 4-b-hydroxy withanolide E in hairy root tissues (0.323 mg/g of dry roots) was obtained after exposing the tissues to 10 mM salicylic acid aselicitor. Conclusions: 4-b-hydroxy withanolide E production in hairy roots was improved by using elicitors such as salicylic acid andcopper sulphate. The highest concentration of the metabolite in hairy roots treated with elicitors was 1.538 times the control concentration(without elicitor treatment)

Topics: elicitors, hairy roots, 4-b-hydroxy withanolide E, Physalis peruviana L, General Works, A, DOAJ:Multidisciplinary, DOAJ:General Works, Science (General), Q1-390
Publisher: Pontificia Universidad Javeriana
Year: 2009
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