Enemy at the gates: traffic at the plant cell pathogen interface |
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Authors: | Hoefle Caroline Hückelhoven Ralph |
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Institution: | Lehrstuhl für Phytopathologie, Technische Universit?t München, Am Hochanger 2, 85350 Freising, Germany. |
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Abstract: | The plant apoplast constitutes a space for early recognition of potentially harmful non-self. Basal pathogen recognition operates via dynamic sensing of conserved microbial patterns by pattern recognition receptors or of elicitor-active molecules released from plant cell walls during infection. Recognition elicits defence reactions depending on cellular export via SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) complex-mediated vesicle fusion or plasma membrane transporter activity. Lipid rafts appear also involved in focusing immunity-associated proteins to the site of pathogen contact. Simultaneously, pathogen effectors target recognition, apoplastic host proteins and transport for cell wall-associated defence. This microreview highlights most recent reports on the arms race for plant disease and immunity at the cell surface. |
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