文献类型： 外文期刊
作者： Liu, Huiming 1 ; Zhao, Dongxiao 1 ; Niu, Hongtao 1 ; Zhang, Zhichun 1 ; Wang, Na 1 ; Liu, Xiangdong 2 ; Guo, Huifang 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Plant Protect, 50 Zhongling St, Nanjing 210014, Peoples R China
2.Nanjing Agr Univ, Dept Entomol, 1 Weigang Rd, Nanjing 210095, Peoples R China
关键词： Co-infection; Nitenpyram; P450 gene expression; Protection against insecticide; Triflumezopyrim
期刊名称：JOURNAL OF PEST SCIENCE （ 影响因子：4.3； 五年影响因子：4.7 ）
ISSN： 1612-4758
年卷期： 2024 年
页码：
收录情况： SCI
摘要： While symbiont infections in invertebrates are widespread, their role in protecting hosts against natural enemies and chemical insecticides remains incompletely understood. Our study investigates the protective effects of Arsenophonus and Wolbachia, either individually or in co-infection, on Nilaparvata lugens against chemical insecticides. Our findings reveal that both Arsenophonus and Wolbachia confer protection against chemical insecticides, including triflumezopyrim, nitenpyram, and dinotefuran. However, these symbionts do not show protective effects against pymetrozine. Wolbachia infection leads to the up-regulation of the glutathione S-transferase (GST) gene GSTm2 and the P450 gene CYP6AY1. Uniquely, co-infection results in the up-regulation of the P450 gene CYP18A1. Furthermore, the stability of the co-infection is not constant, with its frequency decreasing from 93.3 to 73.1% over a nine-generation passage, while single infections remain consistently high (> 95%). Our study suggests that Wolbachia and Arsenophonus, both individually and in co-infection, provide protection against two commonly used chemical insecticides in N. lugens.
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