Genomic analysis, trajectory tracking, and field surveys reveal sources and long-distance dispersal routes of wheat stripe rust pathogen in China
文献类型: 外文期刊
作者: Li, Yuxiang 1 ; Dai, Jichen 1 ; Zhang, Taixue 1 ; Wang, Baotong 1 ; Zhang, Siyue 1 ; Wang, Conghao 1 ; Zhang, Jiguang 1 ; Yao, Qiang 2 ; Li, Mingju 3 ; Li, Chengyun 4 ; Peng, Yuelin 5 ; Cao, Shiqin 6 ; Zhan, Gangming 1 ; Tao, Fei 7 ; Gao, Haifeng 8 ; Huang, Weili 9 ; Feng, Xiaojun 10 ; Bai, Yingwen 11 ; Qucuo, Zhuoma 5 ; Shang, Hongsheng 1 ; Huang, Chong 12 ; Liu, Wancai 12 ; Zhan, Jiasui 13 ; Xu, Xiangmin 14 ; Chen, Xianmin 15 ; Kang, Zhensheng 1 ; Hu, Xiaoping 1 ;
作者机构: 1.Northwest A&F Univ, State Key Lab Crop Stress Biol Arid Areas, Yangling, Shaanxi, Peoples R China
2.Qinghai Univ, Key Lab Agr Integrated Pest Management, Acad Agr & Forestry Sci, Xining, Qinghai, Peoples R China
3.Yunnan Acad Agr Sci, Agr Environm & Resource Inst, Yunnan Key Lab Green Prevent & Control Agr Transb, Kunming, Yunnan, Peoples R China
4.Yunnan Agr Univ, State Key Lab Conservat & Utilizat Bioresources Y, Kunming, Yunnan, Peoples R China
5.Tibet Agr & Anim Husb Coll, Dept Plant Pathol, Linzhi, Tibet, Peoples R China
6.Gansu Acad Agr Sci, Wheat Res Inst, Lanzhou, Gansu, Peoples R China
7.Gansu Agr Univ, Coll Plant Protect, Biocontrol Engn Lab Crop Dis & Pests Gansu Prov, Lanzhou, Gansu, Peoples R China
8.Xinjiang Acad Agr Sci, Inst Plant Protect, Urumqi, Xinjiang, Peoples R China
9.Xian Huangs Biotechnol Co Ltd, Xian, Shaanxi, Peoples R China
10.Shaanxi Plant Protect Extens Stn, Xian, Shaanxi, Peoples R China
11.Baoji Plant Protect Extens Stn, Baoji, Shaanxi, Peoples R China
12.Minist Agr, Natl Agr Technol Extens & Serv Ctr, Beijing, Peoples R China
13.Swedish Univ Agr Sci, Dept Forest Mycol & Plant Pathol, Uppsala, Sweden
14.NIAB EMR, Pest & Pathogen Ecol, West Malling, Kent, England
15.ARS, USDA, Pullman, WA USA
16.Washington State Univ, Dept Plant Pathol, Pullman, WA USA
关键词: Puccinia striiformis f; sp; tritici; stripe rust; disease epidemics; population genetics; genome sequencing
期刊名称:PLANT COMMUNICATIONS ( 影响因子:10.5; 五年影响因子:10.5 )
ISSN: 2590-3462
年卷期: 2023 年 4 卷 4 期
页码:
收录情况: SCI
摘要: Identifying sources of phytopathogen inoculum and determining their contributions to disease outbreaks are essential for predicting disease development and establishing control strategies. Puccinia striiformis f. sp. tritici (Pst), the causal agent of wheat stripe rust, is an airborne fungal pathogen with rapid virulence variation that threatens wheat production through its long-distance migration. Because of wide variation in geographic features, climatic conditions, and wheat production systems, Pst sources and related dispersal routes in China are largely unclear. In the present study, we performed genomic analyses of 154 Pst isolates from all major wheat-growing regions in China to determine Pst population structure and diversity. Through trajectory tracking, historical migration studies, genetic introgression analyses, and field surveys, we investigated Pst sources and their contributions to wheat stripe rust epidemics. We identified Longnan, the Himalayan region, and the Guizhou Plateau, which contain the highest population genetic diversities, as the Pst sources in China. Pst from Longnan disseminates mainly to eastern Liupan Mountain, the Sichuan Basin, and eastern Qinghai; that from the Himalayan region spreads mainly to the Sichuan Basin and eastern Qinghai; and that from the Guizhou Plateau migrates mainly to the Sichuan Basin and the Cen-tral Plain. These findings improve our current understanding of wheat stripe rust epidemics in China and emphasize the need for managing stripe rust on a national scale.
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