| The defence and antidefence between plants and herbivores mediated by methanol were reviewedPlants produced and released large quantities of methanol when attacked by herbivoresDuring feeding on leaves, the oral secretions from herbivore resulted in a pH shift at the wound site, and subsequently increased the transcript accumulation and activity of leaf pectin methylesterases(PMEs).PMEs subsequently hydrolyzed pectin to release methanolPMEs also contributed, probably indirectly by affecting cell wall properties, to the induction of jasmonic acid and salicylic acid, and triggered synthesis of anti-herbivore substances such as trypsin proteinase inhibitorIn addition, as a volatile, methanol may influence host orientation by herbivoreMoreover, methanol application to health plant decreased anti-herbivore substances, probably through negative feedback, and consequently affected herbivore performance |
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