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Re-Examination Characterization and Screening of Stripe Rust Resistance Gene of Wheat TaPR1 Gene Family Based on the Transcriptome in Xinchun 32

文献类型： 外文期刊

作者： Sun, Tingting 1 ; Yan, Niannian 1 ; Liu, Qi 1 ; Bai, Tingyu 1 ; Gao, Haifeng 3 ; Chen, Jing 1 ;

作者机构： 1.Xinjiang Agr Univ, Coll Agron, Key Lab Pest Monitoring & Safety Control Crops & F, Urumqi 830052, Peoples R China

2.Minist Agr & Rural Affairs, Key Lab Prevent & Control Invas Alien Species Agr, Urumqi 830052, Peoples R China

3.Xinjiang Acad Agr Sci, Inst Plant Protect, Key Lab Integrated Pest Management Crop Northweste, Minist PR China, Urumqi 830091, Peoples R China

关键词： wheat stripe rust; Puccinia striiformis f. sp. tritici (Pst); pathogenesis-related protein-1 (PR1); RNA sequencing; gene family analysis

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：4.9； 五年影响因子：5.7 ）

ISSN： 1661-6596

年卷期： 2025 年 26 卷 2 期

页码：

收录情况： SCI

摘要： Pathogenesis-related protein-1 (PR1) encodes a water-soluble protein produced in plants after pathogen infection or abiotic stimulation. It plays a crucial role in plant-induced resistance by attacking pathogens, degrading cell wall macromolecules and pathogen toxins, and inhibiting the binding of viral coat proteins to plant receptor molecules. Compared to model plants, the mechanism of action of PR1 in wheat remains underexplored. In this study, the recently published wheat genome database (IWGSC RefSeq V2.1) was used to identify 83 genes in the TaPR1 gene family. Compared to previous work, the duplicate genes were removed and we corrected misannotated genes. Fourteen TaPR1 genes involved in the wheat-Pst interaction were identified based on RNA sequencing from Xinchun 32. The expression patterns of eight genes were validated using qRT-PCR, and the results showed that PR1 was highly expressed following Puccinia striiformis f. sp. tritici (Pst) infection. This study enhances previous research on wheat PR1, contributing to a more comprehensive understanding of the TaPR1 gene family and providing a reference for the screening of more broad-spectrum and high-resistance wheat populations.

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