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Role of calcium sensor CML37 in Arabidopsis response to herbivory

Insects are the most species rich class of eukaryotes on earth and half of them feed on plants or are herbivores. So during their life, most plants will encounter herbivorous insect attacks. Plants protect against insects by using an array of direct and indirect defense strategies. These include production of anti-herbivore phytohormones, secondary metabolites, volatiles and toxins. Relatively little is known about the early signal transduction pathways that connect insect specific elicitors (from Oral Secretion) to the plant defense responses they evoke. The calcium ion (Ca2+) has been implicated as a second messenger in many plant signaling pathways, but its role in herbivory is poorly understood. Calmodulin-like proteins (CMLs) are one class of proteins which decode the calcium signature obtained by release of Ca2+ into the cytosol as response to perception of insect elicitors.
last updated on 2012-12-12