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A bacterial tyrosine phosphatase inhibits plant pattern recognition receptor activation
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Macho, A. P., Schwessinger, B., Ntoukakis, Vardis, Brutus, A., Segonzac, C., Roy, S., Kadota, Y., Oh, M. -H., Sklenar, J., Derbyshire, P., Lozano-Duran, R., Malinovsky, F. G., Monaghan, J., Menke, F. L., Huber, S. C., He, S. Y. and Zipfel, C. (2014) A bacterial tyrosine phosphatase inhibits plant pattern recognition receptor activation. Science, Volume 343 (Number 6178). pp. 1509-1512. doi:10.1126/science.1248849 ISSN 0036-8075.
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Official URL: http://dx.doi.org/10.1126/science.1248849
Abstract
Innate immunity relies on the perception of pathogen-associated molecular patterns (PAMPs) by pattern-recognition receptors (PRRs) located on the host cell’s surface. Many plant PRRs are kinases. Here, we report that the Arabidopsis receptor kinase EF-TU RECEPTOR (EFR), which perceives the elf18 peptide derived from bacterial elongation factor Tu, is activated upon ligand binding by phosphorylation on its tyrosine residues. Phosphorylation of a single tyrosine residue, Y836, is required for activation of EFR and downstream immunity to the phytopathogenic bacterium Pseudomonas syringae. A tyrosine phosphatase, HopAO1, secreted by P. syringae, reduces EFR phosphorylation and prevents subsequent immune responses. Thus, host and pathogen compete to take control of PRR tyrosine phosphorylation used to initiate antibacterial immunity.
| Item Type: | Journal Article | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||||||||
| Journal or Publication Title: | Science | ||||||||||
| Publisher: | American Association for the Advancement of Science | ||||||||||
| ISSN: | 0036-8075 | ||||||||||
| Official Date: | 28 March 2014 | ||||||||||
| Dates: |
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| Volume: | Volume 343 | ||||||||||
| Number: | Number 6178 | ||||||||||
| Page Range: | pp. 1509-1512 | ||||||||||
| DOI: | 10.1126/science.1248849 | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Restricted or Subscription Access |
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