Rifampicin synergizes the toxicity of insecticides against the green peach aphid, Myzus persicae

文献类型： 外文期刊

第一作者： Li, Zengxin

作者： Li, Zengxin;Zhu, Yicheng;Qin, Weiwei;He, Yueping;Li, Zengxin;Li, Wenhong;Li, Zengxin;Mu, Qing;Shi, Xiaobin

作者机构：

关键词： Myzus persicae; Rifampicin; Imidacloprid; Cyantraniliprole; Toxicity; Detoxifying enzyme

期刊名称：ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY （ 影响因子：6.8； 五年影响因子：6.9 ）

ISSN： 0147-6513

年卷期： 2024 年 276 卷

页码：

收录情况： SCI

摘要： Myzus persicae is an important pest that has developed resistance to nearly all currently used insecticidal products. The employment of insecticide synergists is one of the effective strategies that need to be developed for the management of this resistance. Our study showed that treatment with a combination of the antibiotic, rifampicin, with imidacloprid, cyantraniliprole, or clothianidin significantly increased their toxicities against M. persicae , by 2.72, 3.59, and 2.41 folds, respectively. Rifampicin treatment led to a noteworthy reduction in the activities of multifunctional oxidases (by 32.64%) and esterases (by 23.80%), along with a decrease in the expression of the CYP6CY3 gene (by 58.57%) in M. persicae . It also negatively impacted the fitness of the aphids, including weight, life span, number of offspring, and elongation of developmental duration. In addition, bioassays showed that the combination of rifampicin and a detoxification enzyme inhibitor, piperonyl butoxide, or dsRNA of CYP6CY3 further significantly improved the toxicity of imidacloprid against M. persicae , by 6.19- and 7.55 -fold, respectively. The present study suggests that development of active ingredients such as rifampicin as candidate synergists, show promise to overcome metabolic resistance to insecticides in aphids.

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