alexa Resistance-Gene-Mediated Defense Responses against Biotic Stresses in the Crop Model Plant Tomato
ISSN: 2157-7471

Journal of Plant Pathology & Microbiology
Open Access

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Review Article

Resistance-Gene-Mediated Defense Responses against Biotic Stresses in the Crop Model Plant Tomato

Chaudhary R1*and Atamian HS2

1National Cancer Institute, National Institutes of Health, Bethesda, USA

2Department of Plant Biology, University of California, California, USA

*Corresponding Author:
Chaudhary R
National Cancer Institute, National Institutes of Health
9000 Rockville Pike, Bethesda, MD, USA
Tel: +1 9518233384
E-mail: [email protected]

Received Date: March 15, 2017; Accepted Date: April 13, 2017; Published Date: April 17, 2017

Citation: Chaudhary R, Atamian HS (2017) Resistance-Gene-Mediated Defense Responses against Biotic Stresses in the Crop Model Plant Tomato. J Plant Pathol Microbiol 8:404. doi: 10.4172/2157-7471.1000404

Copyright: © 2017 Chaudhary R, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Complex series of defense response activation, consistent with the studies conducted in the model plant Arabidopsis thaliana, has been demonstrated in tomato during incompatible pathogen/pest interactions. During the past two decades, numerous tomato genes have been identified conferring resistance to diverse pathogens/ pests in a gene-foR-gene manner. A few of these cloned resistance (R)-genes (Cf and Pto) have been extensively studied and excellent existing reviews describe R-gene function, interacting proteins and the mechanism of Avirulence effector perception. Recent comprehensive gene expression analysis of tomato responses to biotic stresses resulted in identification of genes and potential molecular processes that are associated with several of the tomato R-gene-mediated resistance responses. The purpose of this review is to provide an overview of tomato R-gene-mediated defense responses to different pathogens/pests together with the components involved in the organization of this highly complex network of plant defenses.


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