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Channel-Forming Peptaibols Are Potent Elicitors of Plant Secondary Metabolism and Tendril Coiling
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2000
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Plant PhysiologyEngineeringBotanySecondary MetabolitePlant PathologySecondary MetabolismTendril CoilingBiosynthesisPlant Defence ActivatorLima Bean LeavesPhytoalexinBiochemistryPlant Secondary MetabolismPrimary MetabolitePlant MetabolismBiologyNatural SciencesMetabolismAlamethicin FTouch-sensitive PlantsPlant Biochemistry
Peptaibols (peptidic fungus defense compounds, such as alamethicin F) are powerful elicitors of multiple metabolic activities in plants. In a model system, lima bean leaves, these compounds induce emission of ethylene, along with other volatile compounds which act as synomones. Tendril coiling in touch-sensitive plants can also be effectively stimulated with these substances. (Aib=2-Amino-2-methylpropionic acid, Pheol=phenylalaninol.)