The transcriptional regulator BZR1 mediates trade-off between plant innate immunity and growth

Lozano-Durán, Rosa, Macho, Alberto P, Boutrot, Freddy, Segonzac, Cécile, Somssich, Imre E and Zipfel, Cyril (2013) The transcriptional regulator BZR1 mediates trade-off between plant innate immunity and growth. eLife, 2. ISSN 2050-084X

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Abstract

The molecular mechanisms underlying the trade-off between plant innate immunity and steroid-mediated growth are controversial. Here, we report that activation of the transcription factor BZR1 is required and sufficient for suppression of immune signaling by brassinosteroids (BR). BZR1 induces the expression of several WRKY transcription factors that negatively control early immune responses. In addition, BZR1 associates with WRKY40 to mediate the antagonism between BR and immune signaling. We reveal that BZR1-mediated inhibition of immunity is particularly relevant when plant fast growth is required, such as during etiolation. Thus, BZR1 acts as an important regulator mediating the trade-off between growth and immunity upon integration of environmental cues. DOI: http://dx.doi.org/10.7554/eLife.00983.001.

Item Type:	Article
Additional Information:	This article is distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use and redistribution provided that the original author and source are credited. - See more at: http://elifesciences.org/content/2/e00983#.dpuf
Faculty \ School:	Faculty of Science > School of Biological Sciences Faculty of Science > The Sainsbury Laboratory
UEA Research Groups:	Faculty of Science > Research Groups > Plant Sciences
Depositing User:	Pure Connector
Date Deposited:	04 Jul 2014 12:43
Last Modified:	31 Oct 2022 17:30
URI:	https://ueaeprints.uea.ac.uk/id/eprint/48861
DOI:	10.7554/eLife.00983

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