Olfactory Reception of Host Alarm Pheromone Component by the Odorant-Binding Proteins in the Samurai Wasp,Trissolcus japonicus(Hymenoptera: Scelionidae)
文献类型： 外文期刊
作者： Zhang, Jinping 1 ; Zhong, Yongzhi 1 ; Tang, Rui 1 ; Rebijith, K. B. 5 ; Li, Fengqi 6 ; Chen, Guohua 2 ; Zhang, Feng 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Plant Protect, MARA CABI Joint Lab Biosafety, Beijing, Peoples R China
2.Yunnan Agr Univ, Coll Plant Protect, Kunming, Yunnan, Peoples R China
3.Anhui Acad Agr Sci, Inst Plant Protect & Agroprod Safety, Hefei, Peoples R China
4.Guangdong Acad Sci, Guangdong Inst Appl Biol Resources, Guangdong Key Lab Anim Conservat & Resource Utili, Guangdong Publ Lab Wild Anim Conservat & Utilizat, Guangzhou, Peoples R China
5.Minist Primary Ind, Plant Hlth & Environm Lab, Auckland, New Zealand
6.Beijing Acad Agr & Forestry Sci, Inst Plant & Environm Protect, Beijing Key Lab Environm Friendly Management Frui, Beijing, Peoples R China
7.Hexi Univ, Coll Agr & Ecol Engn, Zhangye, Peoples R China
关键词： brown marmorated stink bug; egg parasitoid; insect olfaction; (E)-2-decenal; transcriptome
期刊名称：FRONTIERS IN PHYSIOLOGY （ 影响因子：4.566； 五年影响因子：4.804 ）
ISSN： 1664-042X
年卷期： 2020 年 11 卷
页码：
收录情况： SCI
摘要： The samurai wasp,Trissolcus japonicus, is the predominant egg parasitoid of the brown marmorated stink bug,Halyomorpha halys, in its native range in China. (E)-2-Decenal is a major component of the alarm pheromone ofH. halys, an important invasive insect pest with significant economic importance.T.japonicuscan be strongly repelled by (E)-2-decenal, and thus its host location efficiency would be reduced in the field. Better understanding on the molecular basis of olfactory reception of this host alarm pheromone component byT. japonicusmay provide opportunities to develop novel approaches to enhance biological control efficacy of the parasitoid againstH. halys. We identified six Odorant Binding Proteins (OBPs) fromT. japonicusby transcriptome sequencing, within which three classical OBPs were expressed in a heterologous expression system withE. coli, harvested, and then challenged with (E)-2-decenal in binding assay experiments.TjapOBP2 showed the highest binding ability to (E)-2-decenal, compared toTjapOBP1 andTjapOBP3. Our results unambiguously suggest thatTjapOBP2 would play an important role in discriminating (E)-2-decenal and could be a possible target for further intervention in the parasitoid-host system.
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