文献类型： 外文期刊
作者： Zhang, J. 1 ; Hu, H. -L. 1 ; Wang, X. -N. 1 ; Yang, Y. -H. 1 ; Zhang, C. -J. 2 ; Zhu, H. -Q. 2 ; Shi, L. 3 ; Tang, C. -M. 1 ; Zhao, M. -W. 3 ;
作者机构： 1.Nanjing Agr Univ, Coll Agr, State Key Lab Crop Genet & Germplasm Enhancement, Nanjing 210095, Jiangsu, Peoples R China
2.CAAS, Inst Cotton Res, State Key Lab Cotton Biol, Anyang, Henan, Peoples R China
3.Nanjing Agr Univ, Coll Life Sci, Nanjing, Jiangsu, Peoples R China
关键词： immunity response; infection mechanism; pathogenicity; resistance; upland cotton; Verticillium dahliae
期刊名称：PLANT BIOLOGY （ 影响因子：3.081； 五年影响因子：2.972 ）
ISSN： 1435-8603
年卷期： 2020 年 22 卷 1 期
页码：
收录情况： SCI
摘要： Verticillium wilt, an infection caused by the soilborne fungusVerticillium dahliae, is one of the most serious diseases in cotton. No effective control method againstV. dahliaehas been established, and the infection mechanism ofV. dahliaein upland cotton remains unknown. GFP-taggedV. dahliaeisolates with different pathogenic abilities were used to analyse the colonisation and infection ofV. dahliaein the roots and leaves of different upland cotton cultivars, the relationships among infection processes, the immune responses and the resistance ability of different cultivars againstV. dahliae. Here, we report a new infection model forV. dahliaein upland cotton plants.V. dahliaecan colonise and infect any organ of upland cotton plants and then spread to the entire plant from the infected organ through the surface and interior of the organ. Vascular tissue was found to not be the sole transmission route ofV. dahliaein cotton plants. In addition, the rate of infection of aV. dahliaeisolate with strong pathogenicity was notably faster than that of an isolate with weak pathogenicity. The resistance of upland cotton to Verticillium wilt was related to the degree of the immune response induced in plants infected withV. dahliae. These results provide a theoretical basis for studying the mechanism underlying the interaction betweenV. dahliaeand upland cotton. These results provide a theoretical basis for studying the mechanism underlying the interaction betweenV. dahliaeand upland cotton.
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