Triterpene-based plant defenses |
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| Authors: | Azucena González-Coloma Carmen López-Balboa Omar Santana Matías Reina Braulio M. Fraga |
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| Affiliation: | (1) Instituto de Ciencias Agrarias-CCMA, CSIC, 28016 Madrid, Spain;(2) Instituto de Productos Naturales y Agrobiolog?a, CSIC, 38206 La Laguna, Tenerife, Canary Islands, Spain |
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| Abstract: | Pentacyclic triterpenes are abundant in the plant kingdom and have a wide array of pharmacological activities. They also have insect antifeedant effects and therefore apparently play a role in plant defense. In this paper, we describe the insecticidal activity of pentacyclic triterpenes of plant origin from different chemical classes on several insect pests (Spodoptera littoralis, Leptinotarsa decemlineata and Myzus persicae), their phytotoxic properties and their selective cytotoxic effects on insect-derived Sf9 and mammalian CHO cells. We also discuss the role they play in plant defense based on these activities. |
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