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Host plants transfer induced regulation of the chemosensory genes repertoire in the alfalfa plant bug Adelphocoris lineolatus (Goeze)

文献类型： 外文期刊

作者： Xiao, Yong 1 ; Sun, Liang 3 ; Wang, Qi 3 ; An, Xing-Kui 3 ; Huang, Xin-Zheng 3 ; Khashaveh, Adel 3 ; Li, Zhen-Yu 1 ; Zhan 1 ;

作者机构： 1.Guangdong Acad Agr Sci, Inst Plant Protect, Guangzhou 510640, Peoples R China

2.Guangdong Prov Key Lab High Technol Plant Protect, Guangzhou 510640, Peoples R China

3.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China

4.Chinese Acad Agr Sci, Key Lab Tea Qual & Safety Control, Key Lab Biol Genet & Breeding Special Econ Anim &, Minist Agr,Tea Res Inst, Hangzhou 310008, Peoples R China

5.China Agr Univ, Coll Plant Protect, Beijing 100193, Peoples R China

关键词： Adelphocoris lineolatus; Host plant transfer; Olfaction plasticity; Chemosensory genes; Transcriptome; Differential expressed genes analyses

期刊名称：COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS （ 影响因子：2.674； 五年影响因子：2.941 ）

ISSN： 1744-117X

年卷期： 2021 年 38 卷

页码：

收录情况： SCI

摘要： The alfalfa plant bug Adelphocoris lineolatus, an economically important pest, has representative behavioral characteristics with host plants transfer. Olfactory system is essential for insects to perceive ever-changing chemical signals in the external environment, and chemosensory genes play crucial roles in signals reception and transduction. In this work, we compared the differences in chemosensory genes expression before and after host plants transfer by constructing 12 antennal transcriptomes of male and female bugs, respectively. The results showed that the expression levels of most chemosensory genes in A. lineolatus changed to adapt to the transformation of the hosts plant. More remarkable, female bugs had more up-regulated chemosensory genes than males. Differentially expressed genes (DEGs) analysis revealed three odorant binding proteins (OBPs), three chemosensory proteins (CSPs), eight odorant receptors (ORs) and one ionotropic receptor (IR) showed significant differences when the host plant transferred. There were complex characteristics of up- and down- regulated genes in male and female adults, among which OBP19 showed higher expression in females exposing to the new host plant alfalfa, suggesting this OBP may be associated with the localization of the oviposition site. The OR54 and OR82 were up-regulated in both genders, indicating their possible roles in recognizing some alfalfa-specific volatiles. These findings will provide valuable insights in biological functions of chemosensory genes in A. lineolatus and facilitate the development of new targets for novel strategies to control the alfalfa plant bug and other herbivores.

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