Herbivory and mechanical wounding in plants have been shown to elicit electrical signals — mediated by two glutamate-receptor-like proteins — that induce defence responses at local and distant sites. See Article p.422
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Christmann, A., Grill, E. Electric defence. Nature 500, 404–405 (2013). https://doi.org/10.1038/500404a
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DOI: https://doi.org/10.1038/500404a
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