The Hoverfly Attracting Property of a Methyl Salicylate-Containing (E)-β-Farnesene Analog (3e) and Potential Mechanism by Mediating the EcorOBP15 and EcorOR3
文献类型： 外文期刊
作者： Liu, Yan 1 ; Zhang, Yimeng 1 ; Chen, Chen 1 ; Pan, Shixiang 1 ; Lu, Xingxing 1 ; Shi, Zhuo 1 ; Yang, Zhaokai 1 ; Sun, Ruihong 2 ; Zhang, Ganyu 2 ; Wang, Bing 3 ; Huang, Yiwen 4 ; Qin, Yaoguo 4 ; Li, Xuesheng 6 ; Yang, Xinling 1 ;
作者机构： 1.China Agr Univ, Coll Sci, Innovat Ctr Pesticide Res, Dept Appl Chem, Beijing 100193, Peoples R China
2.Shandong Acad Agr Sci, Shandong Inst Pomol, Tai An 271000, Shandong, Peoples R China
3.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China
4.China Agr Univ, Dept Entomol, Beijing 100193, Peoples R China
5.China Agr Univ, Coll Plant Protect, MOA Key Lab Monitoring & Environm Friendly Control, Beijing 100193, Peoples R China
6.Guangxi Univ, Agr Coll, Guangxi Key Lab Agroenvironm & Agroprod Safety, Nanning 530004, Guangxi, Peoples R China
关键词： behavioral regulator; hoverfly attraction; field trial; attraction mechanism; odorant-bindingprotein; odorant receptor
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：6.2； 五年影响因子：6.4 ）
ISSN： 0021-8561
年卷期： 2025 年 73 卷 4 期
页码：
收录情况： SCI
摘要： Using natural enemies provides a sustainable method to control major agricultural pests. Hoverflies are significant natural enemies of aphids and efficient pollinators. Herbivore-induced plant volatiles (HIPVs), including (E)-beta-farnesene (EBF) and methyl salicylate (MeSA), are key olfactory cues mediating hoverflies behavior. Our previous work identified compound 3e, an EBF analog containing a MeSA moiety, exhibited aphid-repelling and ladybug-attracting activities. However, whether 3e can attract hoverflies remains unknown. Therefore, this study explored the attractant property and potential mechanism of 3e toward hoverflies. Laboratory bioassays and field trials indicated 3e has an obvious hoverfly attracting property. The attraction mechanism studies demonstrate that, similar to EBF, 3e can interact with EcorOBP15 and EcorOR3, with its greater chemical softness, larger hydrophobic and charge regions enhancing these interactions. Furthermore, 3e exhibited low toxicity to honeybees (Apis mellifera) and hoverflies (Eupeodes corollae). Consequently, 3e could be a promising eco-friendly behavioral regulator for integrated aphid management in sustainable agriculture.
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