Genome-wide identification of chemosensory receptor genes in the small brown planthopper, Laodelphax striatellus
文献类型： 外文期刊
作者： He, Peng 1 ; Wang, Mei-Mei 1 ; Wang, Hong 1 ; Ma, Yu-Feng 1 ; Yang, Song 1 ; Li, Shao-Bing 1 ; Li, Xuan-Gang 1 ; Li, Shuo 2 ;
作者机构： 1.Guizhou Univ, State Key Lab Breeding Base Green Pesticide & Agr, Key Lab Green Pesticide & Agr Bioengn, Minist Educ, Guiyang 550025, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Plant Protect, Nanjing 210014, Peoples R China
3.Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Jiangsu, Peoples R China
4.Shandong Normal Univ, Coll Life Sci, Key Lab Anim Resistance Res, 88 East Wenhua Rd, Jinan 250014, Peoples R China
5.Agr Res Ctr, Bioassay Res Dept, Cent Agr Pesticide Lab, Sabahia Plant Protect Res Stn, Alexandria 21616, Egypt
关键词： Genome; Odorant receptor; Gustatory receptor; Ionotropic receptor; Small brown planthopper
期刊名称：GENOMICS （ 影响因子：5.736； 五年影响因子：4.939 ）
ISSN： 0888-7543
年卷期： 2020 年 112 卷 2 期
页码：
收录情况： SCI
摘要： The small brown planthopper (SBPH), Laodelphax striatellus is one of the major insect pests of rice, but little is known about the molecular-level means by which it locates its hosts. SBPH host-seeking behavior heavily relies on chemosensory receptors (CRs). In this study, we utilized genome analysis of the SBPH to identify 169 CRs, including: 133 odorant receptors (ORs), 13 gustatory receptors (GRs) and 23 ionotropic receptors (IRs). The phylogenetic relationships of OR genes from three rice planthoppers and other insect species revealed that the odorant co-receptor (Orco) Glade is the most conserved group. Among the candidate GRs, two sugar receptors and five fructose receptors have been identified but no carbon dioxide receptors investigated. Furthermore, we identified homologs of the three highly conserved IR co-receptors. The obtained results will provide us with precious information needed to better understand the interaction between insect pests and crop plants required for effective crop protection.
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