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Published August 2012 | Supplemental Material
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The Shoot Apical Meristem Regulatory Peptide CLV3 Does Not Activate Innate Immunity

Segonzac, Cécile
Nimchuk, Zachary L.
Beck, Martina
Tarr, Paul T.
Robatzek, Silke
Meyerowitz, Elliot M. ORCID icon
Zipfel, Cyril
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Abstract

The Arabidopsis thaliana leucine-rich repeat receptor kinase FLAGELLIN SENSING2 (FLS2) is required for the recognition of bacterial flagellin in innate immunity. Recently, FLS2 was proposed to act as a multispecific receptor recognizing unrelated exogenous and endogenous peptide ligands, including CLAVATA3 (CLV3), a key regulator of shoot meristem stem cell production. Here, we report experimental evidence demonstrating that FLS2 does not recognize CLV3 and that the shoot apical meristem is immune to bacteria independently of CLV3 perception.

Additional Information

© 2012 by the American Society of Plant Biologists. Received September 2, 2011; revised January 24, 2012; accepted August 1, 2012; published August 24, 2012. This work was funded by the Gatsby Charitable Foundation (C.Z. and S.R.), by UK Biotechnology and Biological Sciences Research Council Grant BB/G024944/1 (ERA-NET Plant Genomics Pathonet) (C.Z.), and by U.S. National Institutes of Health Grant 1R01GM086639 (E.M.M.). We thank Jeffery Dangl and Detlef Weigel for useful discussions. Author Contributions: E.M.M., Z.L.N., C.S., and C.Z. designed the research; M.B., Z.L.N., C.S., and P.T.T. performed research and analyzed data; and E.M.M., Z.L.N., S.R., and C.Z. wrote the article.

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Supplemental Material - Plant_Cell__24_8__3186-92,_Figures.ppt

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