Flagellin perception: a paradigm for innate immunity - PubMed (original) (raw)

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Flagellin perception: a paradigm for innate immunity

Lourdes Gómez-Gómez et al. Trends Plant Sci. 2002 Jun.

Abstract

There are surprising similarities between how animals and plants perceive pathogens. In animals, innate immunity is based on the recognition of pathogen-associated molecular patterns. This is mediated by the Toll-like receptor (TLR) family, which rapidly induce the innate immunity response, a first line of defence against infectious disease. Plants have highly sensitive perception systems for general elicitors and they respond to these stimuli with a defence response. One of these general elicitors is flagellin, the main component of the bacterial flagellum. Genetic analysis in Arabidopsis has shown that FLS2, which encodes a receptor-like kinase, is essential for flagellin perception. FLS2 shares homology with the TLR family, and TLR5 is responsible for flagellin perception in mammals.

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