Enemy at the gates: traffic at the plant cell pathogen interface.
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.
Hoefle
Caroline
C
Lehrstuhl für Phytopathologie, Technische Universität München, Am Hochanger 2, 85350 Freising, Germany.
Hückelhoven
Ralph
R
D054884:Host-Pathogen Interactions; D010944:Plants / Q000276:immunology* / Q000382:microbiology*