Identification and Detection of CYP4G68 Overexpression Associated With Cyantraniliprole Resistance in Bemisia tabaci From China
文献类型： 外文期刊
作者： Wang, Ran 1 ; Che, Wunan 2 ; Qu, Cheng 1 ; Wang, Jinda 3 ; Luo, Chen 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Plant Protect, Beijing, Peoples R China
2.Shenyang Agr Univ, Dept Pesticide Sci, Shenyang, Peoples R China
3.Fujian Agr & Forestry Univ, Natl Engn Res Ctr Sugarcane, Fuzhou, Peoples R China
关键词： Bemisia tabaci; cyantraniliprole; resistance management; field-evolved resistance; P450s; overexpression; RNA interference
期刊名称：FRONTIERS IN ENVIRONMENTAL SCIENCE （ 影响因子：5.411； 五年影响因子：6.313 ）
ISSN：
年卷期： 2022 年 10 卷
页码：
收录情况： SCI
摘要： Bemisia tabaci, the tobacco whitefly, is one of the most notorious agricultural sucking insect pests that severely damage a series of crops worldwide. Throughout China, B. tabaci threatens agricultural production with increasing cases of resistance to commonly used insecticides, prompting the widespread use of cyantraniliprole as an alternative to control hemipteran pests. Here, we found overexpression of the CYP4G68 gene conferring cyantraniliprole resistance using quantitative real-time PCR (qPCR) and RNA interference (RNAi) in one lab-selected resistant strain CYAN-R (to about 80-fold higher than control). Furthermore, we measured levels of resistance to cyantraniliprole in whiteflies with 18 field-sampled populations across China and then confirmed that, among them, 14 field-sampled populations showed low-to-high resistance to cyantraniliprole compared with the susceptible strain. We measured CYP4G68 expression in the 14 field populations, and the results of qPCR and RNAi indicated that in two of these populations, Haikou and Wuhan, significant overexpression of CYP4G68 contributed to the development of field-evolved resistance to cyantraniliprole. These results indicate the need to facilitate strategies of management to delay the evolution of resistance to cyantraniliprole and control of whiteflies more sustainably, and to prevent overuse of insecticides in the environment through rational application practices.
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