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A putative ABC transporter confers durable resistance to multiple fungal pathogens in wheat


Krattinger, S G; Lagudah, E S; Spielmeyer, W; Singh, R P; Huerta-Espino, J; McFadden, H; Bossolini, E; Selter, L L; Keller, B (2009). A putative ABC transporter confers durable resistance to multiple fungal pathogens in wheat. Science, 323(5919):1360-1363.

Abstract

Agricultural crops benefit from resistance to pathogens that endures over years and generations of both pest and crop. Durable disease resistance, which may be partial or complete, can be controlled by several genes. Some of the most devastating fungal pathogens in wheat are leaf rust, stripe rust, and powdery mildew. The wheat gene Lr34 has supported resistance to these pathogens for more than 50 years. Lr34 is now shared by wheat cultivars around the world. Here, we show that the LR34 protein resembles adenosine triphosphate-binding cassette transporters of the pleiotropic drug resistance subfamily. Alleles of Lr34 conferring resistance or susceptibility differ by three genetic polymorphisms. The Lr34 gene, which functions in the adult plant, stimulates senescence-like processes in the flag leaf tips and edges.

Abstract

Agricultural crops benefit from resistance to pathogens that endures over years and generations of both pest and crop. Durable disease resistance, which may be partial or complete, can be controlled by several genes. Some of the most devastating fungal pathogens in wheat are leaf rust, stripe rust, and powdery mildew. The wheat gene Lr34 has supported resistance to these pathogens for more than 50 years. Lr34 is now shared by wheat cultivars around the world. Here, we show that the LR34 protein resembles adenosine triphosphate-binding cassette transporters of the pleiotropic drug resistance subfamily. Alleles of Lr34 conferring resistance or susceptibility differ by three genetic polymorphisms. The Lr34 gene, which functions in the adult plant, stimulates senescence-like processes in the flag leaf tips and edges.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Plant and Microbial Biology
Dewey Decimal Classification:580 Plants (Botany)
Language:English
Date:2009
Deposited On:01 Apr 2009 19:29
Last Modified:05 Apr 2016 13:11
Publisher:American Association for the Advancement of Science (AAAS)
ISSN:0036-8075
Additional Information:This is the author's version of the work. It is posted here by permission of the AAAS for personal use, not for redistribution. The definitive version was published in Science Vol. 323. no. 5919, 6 March 2009: pp. 1360 - 1363
Publisher DOI:https://doi.org/10.1126/science.1166453
PubMed ID:19229000

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