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Front. Plant Sci. | doi: 10.3389/fpls.2018.01692

Plant immunity is compartmentalized and specialized in roots

  • 1Laboratoire de Glycobiologie et Matrice Extracellulaire Végétale, Université de Rouen, France
  • 2Fédération de Recherche "NORVEGE"- FED 4277, 76000 Rouen, France, France
  • 3Institute for Wine Biotechnology, Department of Viticulture and Oenology, Faculty of AgriSciences, Stellenbosch University, South Africa
  • 4Institut Universitaire de France, France

Root is an important organ for the life of the plant. However, so far little attention has been paid to the defense responses in root as compared to leaves. This review summarizes the current knowledge regarding root defense strategies against pathogens. Studies reviewed here suggest that putative markers of defense responses in leaves are less critical in roots. In addition, a number of studies have demonstrated that immune responses induced in root are tissue-specific suggesting a compartmentalization of defense mechanisms in this organ. In addition, roots are able to activate specific defense mechanisms in response to various elicitors also called stimulators of plant defense (PDS). A deep understanding of the root immune system is particularly important for the future development of new strategies to control root disease and improve crop quality.

Keywords: elicitor, systemic acquired resistance, root immunity, Root border cells, environment

Received: 15 Jun 2018; Accepted: 31 Oct 2018.

Edited by:

Simone Ferrari, La Sapienza University of Rome, Italy

Reviewed by:

Maria J. Pozo, Spanish National Research Council (CSIC), Spain
Marc Libault, University of Oklahoma, United States  

Copyright: © 2018 Chuberre, Plancot, Driouich, Moore, Bardor, Gugi and Vicré. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence:
PhD. Bruno Gugi, Laboratoire de Glycobiologie et Matrice Extracellulaire Végétale, Université de Rouen, Mont-Saint-Aignan, France, bruno.gugi@univ-rouen.fr
PhD. Maïté Vicré, Laboratoire de Glycobiologie et Matrice Extracellulaire Végétale, Université de Rouen, Mont-Saint-Aignan, France, maite.vicre@univ-rouen.fr