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The LysM receptor kinase CERK1 mediates bacterial perception in Arabidopsis
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Gimenez-Ibanez, Selena, Ntoukakis, Vardis and Rathjen, John P. (2009) The LysM receptor kinase CERK1 mediates bacterial perception in Arabidopsis. Plant Signaling & Behavior, Vol. 4 (No. 6). pp. 539-541. doi:10.4161/psb.4.6.8697 ISSN 1559-2316.
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Official URL: http://dx.doi.org/10.4161/psb.4.6.8697
Abstract
Plants use pattern recognition receptors (PRRs) to perceive pathogen-associated molecular pattern (PAMPs) and initiate defence responses. PAMP-triggered immunity (PTI) plays an important role in general resistance, and constrains the growth of most microbes on plants. Despite the importance of PRRs in plant immunity, the vast majority of them remain to be identified. We recently showed that the Arabidopsis LysM receptor kinase CERK1 is required not only for chitin signalling and fungal resistance, but plays an essential role in restricting bacterial growth on plants. We proposed that CERK1 may mediate the perception of a bacterial PAMP, or an endogenous plant cell wall component released during infection, through its extracellular carbohydrate-binding LysM-motifs. Here we report reduced activation of a PAMP-induced defence response on plants lacking the CERK1 gene after treatment with crude bacterial extracts. This demonstrates that CERK1 mediates perception of an unknown bacterial PAMP in Arabidopsis.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||
Journal or Publication Title: | Plant Signaling & Behavior | ||||
Publisher: | Landes Bioscience | ||||
ISSN: | 1559-2316 | ||||
Official Date: | 2009 | ||||
Dates: |
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Volume: | Vol. 4 | ||||
Number: | No. 6 | ||||
Page Range: | pp. 539-541 | ||||
DOI: | 10.4161/psb.4.6.8697 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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