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Curr Opin Plant Biol. 2012 Aug;15(4):367-74. doi: 10.1016/j.pbi.2012.05.004. Epub 2012 Jun 3.

The INs and OUTs of pattern recognition receptors at the cell surface.

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The Sainsbury Laboratory, Norwich Research Park, Norwich, NR4 7UH, UK.


Pattern recognition receptors (PRRs) enable plants to sense non-self molecules displayed by microbes to mount proper defense responses or establish symbiosis. In recent years the importance of PRR subcellular trafficking to plant immunity has become apparent. PRRs traffic through the endoplasmatic reticulum (ER) and the Golgi apparatus to the plasma membrane, where they recognize their cognate ligands. At the plasma membrane, PRRs can be recycled or internalized via endocytic pathways. By using genetic and biochemical tools in combination with bioimaging, the trafficking pathways and their role in PRR perception of microbial molecules are now being revealed.

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