Knockdown of a beta-Adrenergic-Like Octopamine Receptor Affects Locomotion and Reproduction of Tribolium castaneum
文献类型： 外文期刊
作者： Zheng, Li-Sha 1 ; Liu, Xiao-Qiang 1 ; Liu, Ge-Ge 1 ; Huang, Qian-Qiao 1 ; Wang, Jin-Jun 1 ; Jiang, Hong-Bo 1 ;
作者机构： 1.Southwest Univ, Coll Plant Protect, Key Lab Entomol & Pest Control Engn, Chongqing 400715, Peoples R China
2.Southwest Univ, Acad Agr Sci, Chongqing 400715, Peoples R China
3.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Lab Integrated Pest Management Trop Crops, Minist Agr, Haikou 570100, Hainan, Peoples R China
关键词： red flour beetle; octopamine receptor; locomotion; reproduction
期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.924； 五年影响因子：6.132 ）
ISSN：
年卷期： 2021 年 22 卷 14 期
页码：
收录情况： SCI
摘要： The neurohormone octopamine regulates many crucial physiological processes in insects and exerts its activity via typical G-protein coupled receptors. The roles of octopamine receptors in regulating behavior and physiology in Coleoptera (beetles) need better understanding. We used the red flour beetle, Tribolium castaneum, as a model species to study the contribution of the octopamine receptor to behavior and physiology. We cloned the cDNA of a beta-adrenergic-like octopamine receptor (TcOct beta 2R). This was heterologously expressed in human embryonic kidney (HEK) 293 cells and was demonstrated to be functional using an in vitro cyclic AMP assay. In an RNAi assay, injection of dsRNA demonstrated that TcOct beta 2R modulates beetle locomotion, mating duration, and fertility. These data present some roles of the octopaminergic signaling system in T. castaneum. Our findings will also help to elucidate the potential functions of individual octopamine receptors in other insects.
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