文献类型： 外文期刊
作者： Pang, Rui 1 ; Li, Shihui 1 ; Chen, Weiwen 1 ; Yuan, Longyu 1 ; Xiao, Hanxiang 3 ; Xing, Ke 1 ; Li, Yanfang 3 ; Zhang, Zhenfei 3 ; He, Xionglei 1 ; Zhang, Wenqing 1 ;
作者机构： 1.Sun Yat sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangzhou, Guangdong, Peoples R China
2.South China Agr Univ, Coll Plant Protect, Natl Key Lab Green Pesticide, Guangzhou, Guangdong, Peoples R China
3.Guangdong Acad Agr Sci, Plant Protect Res Inst, Guangdong Prov Key Lab High Technol Plant Protect, Guangzhou, Guangdong, Peoples R China
关键词： Evolution; Insecticide resistance; Insect-resistant rice; Interaction; Population genetic structure
期刊名称：JOURNAL OF ADVANCED RESEARCH （ 影响因子：11.4； 五年影响因子：11.0 ）
ISSN： 2090-1232
年卷期： 2024 年 60 卷
页码：
收录情况： SCI
摘要： Introduction: Preventing crop yield loss caused by pests is critical for global agricultural production. Agricultural pest control has largely relied on chemical pesticides. The interaction between insecticide resistance and the adaptation of herbivorous pests to host plants may represent an emerging threat to future food security. Objectives: This study aims to unveil genetic evidence for the reduction in the profitability of resistant cultivars derived from insecticide resistance in target pest insects. Methods: An experimental evolution system encompassing resistant rice and its major monophagous pest, the brown planthopper Nilaparvata lugens , was constructed. Whole genome resequencing and selective sweep analysis were utilized to identify the candidate gene loci related to the adaptation. RNA interference and induced expression assay were conducted to validate the function of the candidate loci. Results: We found that the imidacloprid-resistant population of N. lugens rapidly adapted to resistant rice IR36. Gene loci related to imidacloprid resistance may contribute to this phenomenon. Multiple alleles in the nicotinic acetylcholine receptor ( nAChR )- 7 - like and P450 CYP4C61 were significantly correlated with changes in virulence to IR36 rice and insecticide resistance of N. lugens . One avirulent/susceptible genotype and two virulent/resistant genotypes could be inferred from the corresponding alleles. Importantly, we found that the virulent/resistant genotypes already exist in the wild in China, exhibiting increasing frequencies along with insecticide usage. We validated the relevance of these genotypes and the virulence to three more resistant rice cultivars. Knockdown of the above two genes in N. lugens significantly decreased both the resistance to imidacloprid and the virulence towards resistant rice. Conclusion: Our findings provide direct genetic evidence to the eco-evolutionary consequence of insecticide resistance, and suggest an urgent need for the implementation of predictably sustainable pest management. (c) 2024 The Authors. Published by Elsevier B.V. on behalf of Cairo University. This is an open access article under the CC BY -NC -ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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