Characterization of Antennal Chemosensilla and Associated Chemosensory Genes in the Orange Spiny Whitefly, Aleurocanthus spiniferus (Quaintanca)
文献类型： 外文期刊
作者： Gao, Yu-Qing 1 ; Chen, Zhen-Zhen 1 ; Liu, Meng-Yuan 1 ; Song, Chang-Yuan 1 ; Jia, Zhi-Fei 1 ; Liu, Fang-Hua 1 ; Qu, Cheng 2 ; Dewer, Youssef 3 ; Zhao, Hai-Peng 1 ; Xu, Yong-Yu 1 ; Kang, Zhi-Wei 1 ;
作者机构： 1.Shandong Agr Univ, Coll Plant Protect, Tai An, Peoples R China
2.Beijing Acad Agr & Forestry Sci, Inst Plant & Environm Protect, Beijing Key Lab Environm Friendly Management Fruit, Beijing, Peoples R China
3.Agr Res Ctr, Phytotox Res Dept, Cent Agr Pesticide Lab, Giza, Egypt
关键词： Aleurocanthus spiniferus; transcriptome; antennal sensilla; chemosensory genes; expression patterns
期刊名称：FRONTIERS IN PHYSIOLOGY （ 影响因子：4.755； 五年影响因子：5.316 ）
ISSN：
年卷期： 2022 年 13 卷
页码：
收录情况： SCI
摘要： The insect chemosensory system plays an important role in many aspects of insects' behaviors necessary for their survival. Despite the complexity of this system, an increasing number of studies have begun to understand its structure and function in different insect species. Nonetheless, the chemosensory system in the orange spiny whitefly Aleurocanthus spiniferus, as one of the most destructive insect pests of citrus in tropical Asia, has not been investigated yet. In this study, the sensillum types, morphologies and distributions of the male and female antennae of A. spiniferus were characterized using scanning electron microscopy. In both sexes, six different sensilla types were observed: trichodea sensilla, chaetica sensilla, microtrichia sensilla, coeloconic sensilla, basiconic sensilla, and finger-like sensilla. Moreover, we identified a total of 48 chemosensory genes, including 5 odorant-binding proteins (OBPs), 12 chemosensory proteins (CSPs), 3 sensory neuron membrane proteins (SNMPs), 6 odorant receptors (ORs), 8 gustatory receptors (GRs), and 14 ionotropic receptors (IRs) using transcriptome data analysis. Tissue-specific transcriptome analysis of these genes showed predominantly expression in the head (including antennae), whereas CSPs were broadly expressed in both head (including the antennae) and body tissue of adult A. spiniferus. In addition, the expression profiling of selected chemosensory genes at different developmental stages was examined by quantitative real time-PCR which was mapped to the transcriptome. We found that the majority of these genes were highly expressed in adults, while AspiORco, AspiGR1, AspiGR2, and AspiIR4 genes were only detected in the pupal stage. Together, this study provides a basis for future chemosensory and genomic studies in A. spiniferus and closely related species. Furthermore, this study not only provides insights for further research on the molecular mechanisms of A. spiniferus-plant interactions but also provides extensive potential targets for pest control.
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