An elite γ-gliadin allele improves end-use quality in wheat

© 2023 The Authors. New Phytologist © 2023 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 239(2023), 1 vom: 08. Juli, Seite 87-101
1. Verfasser: Liu, Dan (VerfasserIn)
Weitere Verfasser: Yang, Huaimao, Zhang, Zhaoheng, Chen, Qian, Guo, Weilong, Rossi, Vincenzo, Xin, Mingming, Du, Jinkun, Hu, Zhaorong, Liu, Jie, Peng, Huiru, Ni, Zhongfu, Sun, Qixin, Yao, Yingyin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't celiac disease end-use quality gliadin seed storage protein wheat Gliadin 9007-90-3 Glutens 8002-80-0
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520 |a Gluten is composed of glutenins and gliadins and determines the viscoelastic properties of dough and end-use quality in wheat (Triticum aestivum L.). Gliadins are important for wheat end-use traits, but the contribution of individual gliadin genes is unclear, since gliadins are encoded by a complex, multigenic family, including many pseudogenes. We used CRISPR/Cas9-mediated gene editing and map-based cloning to investigate the contribution of the γ-gliadin genes annotated in the wheat cultivar 'Fielder', showing that Gli-γ1-1D and Gli-γ2-1B account for most of the γ-gliadin accumulation. The impaired activity of only two γ-gliadin genes in knockout mutants improved end-use quality and reduced gluten epitopes associated with celiac disease (CD). Furthermore, we identified an elite haplotype of Gli-γ1-1D linked to higher end-use quality in a wheat germplasm collection and developed a molecular marker for this allele for marker-assisted selection. Our findings provide information and tools for biotechnology-based and classical breeding programs aimed at improving wheat end-use quality 
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650 4 |a celiac disease 
650 4 |a end-use quality 
650 4 |a gliadin 
650 4 |a seed storage protein 
650 4 |a wheat 
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700 1 |a Yang, Huaimao  |e verfasserin  |4 aut 
700 1 |a Zhang, Zhaoheng  |e verfasserin  |4 aut 
700 1 |a Chen, Qian  |e verfasserin  |4 aut 
700 1 |a Guo, Weilong  |e verfasserin  |4 aut 
700 1 |a Rossi, Vincenzo  |e verfasserin  |4 aut 
700 1 |a Xin, Mingming  |e verfasserin  |4 aut 
700 1 |a Du, Jinkun  |e verfasserin  |4 aut 
700 1 |a Hu, Zhaorong  |e verfasserin  |4 aut 
700 1 |a Liu, Jie  |e verfasserin  |4 aut 
700 1 |a Peng, Huiru  |e verfasserin  |4 aut 
700 1 |a Ni, Zhongfu  |e verfasserin  |4 aut 
700 1 |a Sun, Qixin  |e verfasserin  |4 aut 
700 1 |a Yao, Yingyin  |e verfasserin  |4 aut 
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