Identification and tissue distribution of chemosensory protein and odorant binding protein genes in Tropidothorax elegans Distant (Hemiptera: Lygaeidae)
文献类型： 外文期刊
作者： Song, Yue-Qin 1 ; Sun, Hui-Zhong 1 ; Du, Jun 2 ;
作者机构： 1.Henan Univ Sci & Technol, Forestry Coll, Luoyang 471000, Peoples R China
2.Henan Acad Agr Sci, Inst Plant Nutr & Resource Environm, Zhengzhou 450002, Henan, Peoples R China
期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）
ISSN： 2045-2322
年卷期： 2018 年 8 卷
页码：
收录情况： SCI
摘要： Tropidothorax elegans Distant (Hemiptera: Lygaeidae) is an insect pest that inflicts damage to vegetables and flowering plants across China. The olfactory system regulates insect behavior, such as feeding, mating, oviposition and predator avoidance. Odorant-binding proteins (OBPs) and the chemosensory proteins (CSPs) are two groups of small soluble proteins that initiate olfactory signal transduction in insects. In this study, we generated antennal transcriptomes of male and female T. elegans, and identified 19 putative OBP (14 classic OBPs and five plus-C OBPs) and seven CSP genes. Through real-time quantitative PCR analysis, we found that 14 of the 19 OBP genes were highly expressed in the antennae of both adult females and males, and 3 OBP genes were expressed higher in the antennae of males than females. Some OBP genes were also highly expressed in the legs or wings. Three CSP genes were highly expressed in the antennae of both sexes, and TeleCSP7 showed higher expression in male antennae compare to females. Interestingly, one CSP gene, TeleCSP2, was expressed in all olfactory tissues. Our results provide molecular insights into further investigating of the olfactory system of an important plant pest, T. elegans.
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