Signaling in plant disease resistance and symbiosis

Journal of Integrative Plant Biology
Songzi Zhao, Xiaoquan Qi

Abstract

Interactions between plants and microbes result in plant disease and symbiosis. The former causes considerable economic damage in modern agriculture, while the latter has produced great beneficial effects to our agriculture system. Comparison of the two interactions has revealed that a common panel of signaling pathways might participate in the establishment of the equilibrium between plant and microbes or its break-up. Plants appear to detect both pathogenic and symbiotic microbes by a similar set of genes. All symbiotic microbes seem to produce effectors to overcome plant basal defenses and it is speculated that symbiotic effectors have functions similar to pathogenic ones. Signaling molecules, salicylic acid (SA), jasmonic acid (JA) and ethylene (ET), are involved in both plant defense and symbiosis. Switching off signals contributing to deterioration of disease symptom would establish a new equilibrium between plant and pathogenic microbes. This would facilitate the development of strategies for durable disease resistance.

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May 22, 2010·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Lijuan WangXiaoquan Qi
Mar 21, 2013·Current Microbiology·Cory D Penn, Steven L Daniel
Sep 4, 2012·International Journal of Molecular Sciences·Jorge Sáenz-Mata, Juan Francisco Jiménez-Bremont
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May 7, 2010·Plant, Cell & Environment·Damla D BilginEvan H DeLucia
Jun 5, 2010·Plant Biology·M AlbertR Kaldenhoff

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