The NB-LRR gene Pm60 confers powdery mildew resistance in wheat

© 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 218(2018), 1 vom: 05. Apr., Seite 298-309
1. Verfasser: Zou, Shenghao (VerfasserIn)
Weitere Verfasser: Wang, Huan, Li, Yiwen, Kong, Zhaosheng, Tang, Dingzhong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Triticum aestivum Triticum urartu Blumeria graminis f. sp. tritici (Bgt) NB-LRR Pm60 powdery mildew wheat Plant Proteins
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520 |a Powdery mildew is one of the most devastating diseases of wheat. To date, few powdery mildew resistance genes have been cloned from wheat due to the size and complexity of the wheat genome. Triticum urartu is the progenitor of the A genome of wheat and is an important source for powdery mildew resistance genes. Using molecular markers designed from scaffolds of the sequenced T. urartu accession and standard map-based cloning, a powdery mildew resistance locus was mapped to a 356-kb region, which contains two nucleotide-binding and leucine-rich repeat domain (NB-LRR) protein-encoding genes. Virus-induced gene silencing, single-cell transient expression, and stable transformation assays demonstrated that one of these two genes, designated Pm60, confers resistance to powdery mildew. Overexpression of full-length Pm60 and two allelic variants in Nicotiana benthamiana leaves induced hypersensitive cell death response, but expression of the coiled-coil domain alone was insufficient to induce hypersensitive response. Yeast two-hybrid, bimolecular fluorescence complementation and luciferase complementation imaging assays showed that Pm60 protein interacts with its neighboring NB-containing protein, suggesting that they might be functionally related. The identification and cloning of this novel wheat powdery mildew resistance gene will facilitate breeding for disease resistance in wheat 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Triticum aestivum 
650 4 |a Triticum urartu 
650 4 |a Blumeria graminis f. sp. tritici (Bgt) 
650 4 |a NB-LRR 
650 4 |a Pm60 
650 4 |a powdery mildew 
650 4 |a wheat 
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700 1 |a Wang, Huan  |e verfasserin  |4 aut 
700 1 |a Li, Yiwen  |e verfasserin  |4 aut 
700 1 |a Kong, Zhaosheng  |e verfasserin  |4 aut 
700 1 |a Tang, Dingzhong  |e verfasserin  |4 aut 
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