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Yeast two-hybrid screening for proteins that interact with PFT in wheat

文献类型: 外文期刊

作者: He, Yi 1 ; Wu, Lei 1 ; Liu, Xiang 2 ; Zhang, Xu 1 ; Jiang, Peng 1 ; Ma, Hongxiang 1 ;

作者机构: 1.Jiangsu Acad Agr Sci, Jiangsu Collaborat Innovat Ctr Modern Crop Prod, Inst Food Crops, Nanjing, Jiangsu, Peoples R China

2.Tibet Agr & Anim Husb Univ, Linzhi, Peoples R China

期刊名称:SCIENTIFIC REPORTS ( 影响因子:4.379; 五年影响因子:5.133 )

ISSN: 2045-2322

年卷期: 2019 年 9 卷

页码:

收录情况: SCI

摘要: Fusarium head blight (FHB) is a devastating disease of wheat worldwide. Fhb1 is the most consistently reported quantitative trait locus (QTL) for FHB resistance breeding. A pore-forming toxin-like (PFT) gene at Fhbl was first cloned by map-based cloning and found to confer FHB resistance in wheat. Proteins often interact with each other to execute their functions. Characterization of the proteins interacting with PFT might therefore provide information on the molecular mechanisms of PFT functions. In this study, a high-quality yeast two-hybrid (Y2H) library using RNA extracted from Fusarium graminearum (Fg)-infected wheat spikes of Sumai 3 was constructed. The agglutinin domains of PFT exhibited no self-activation and toxicity to yeast cells and were used as bait to screen theY2H library. Twenty-three proteins that interact with PFT were obtained, which were mainly involved in the ubiquitination process, clathrin coat assembly, the oxidation-reduction process, and protein phosphorylation. The expression pattern of these interacting genes was analyzed by quantitative real-time PCR. This study clarifies the protein interactions of PFT and raises a regulatory network for PFT regarding FHB resistance in wheat.

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