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Receptor-mediated signalling in plants: molecular patterns and programmes
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Tör, Mahmut, Lotze, Michael T. and Holton, Nicholas (2009) Receptor-mediated signalling in plants: molecular patterns and programmes. Journal of Experimental Botany . doi:10.1093/jxb/erp233
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Official URL: http://dx.doi.org/10.1093/jxb/erp233
Abstract
A highly evolved surveillance system in plants is able to detect a broad range of signals originating from pathogens, damaged tissues, or altered developmental processes, initiating sophisticated molecular mechanisms that result in defence, wound healing, and development. Microbe-associated molecular pattern molecules (MAMPs), damage-associated molecular pattern molecules (DAMPs), virulence factors, secreted proteins, and processed peptides can be recognized directly or indirectly by this surveillance system. Nucleotide binding-leucine rich repeat proteins (NB-LRR) are intracellular receptors and have been targeted by breeders for decades to elicit resistance to crop pathogens in the field. Receptor-like kinases (RLKs) or receptor like proteins (RLPs) are membrane bound signalling molecules with an extracellular receptor domain. They provide an early warning system for the presence of potential pathogens and activate protective immune signalling in plants. In addition, they act as a signal amplifier in the case of tissue damage, establishing symbiotic relationships and effecting developmental processes. The identification of several important ligands for the RLK-type receptors provided an opportunity to understand how plants differentiate, how they distinguish beneficial and detrimental stimuli, and how they co-ordinate the role of various types of receptors under varying environmental conditions. The diverse roles of extra-and intracellular plant receptors are examined here and the recent findings on how they promote defence and development is reviewed.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | S Agriculture > SB Plant culture | ||||
| Divisions: | Faculty of Science > Life Sciences (2010- ) > Warwick HRI (2004-2010) | ||||
| Library of Congress Subject Headings (LCSH): | Protein kinases, Immune response, Plant proteins, Plant immunology, Electrophysiology of plants | ||||
| Journal or Publication Title: | Journal of Experimental Botany | ||||
| Publisher: | Oxford University Press | ||||
| ISSN: | 0022-0957 | ||||
| Official Date: | 23 July 2009 | ||||
| Dates: |
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| DOI: | 10.1093/jxb/erp233 | ||||
| Status: | Peer Reviewed | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Biotechnology and Biological Sciences Research Council (Great Britain) (BBSRC), National Institutes of Health (U.S.) (NIH) | ||||
| Grant number: | BB/C509490/1 (BBSRC), BB/E02484X/1 (BBSRC), 1 PO1 CA 101944-04 (NIH) |
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