Identification And Expression Profile Of Olfactory Receptor Genes Based Onapriona Germari(Hope) Antennal Transcriptome
文献类型: 外文期刊
作者: Qian, JL; Mang, DZ; Lv, GC; Ye, J; Li, ZQ; Chu, B; Sun, L; Liu, YJ; Zhang, LW
作者机构:
关键词: Odorant Receptor; Ionotropic Receptor; Expression Pattern; Antennal Transcriptome; Apriona Germari
期刊名称: FRONTIERS IN PHYSIOLOGY
ISSN: 1664-042X
年卷期: 2020 年 11 卷
页码:
收录情况: JCR(2021版)
摘要: Insects' olfactory receptor plays a central role in detecting chemosensory information from the environment. Odorant receptors (ORs) and ionotropic receptors (IRs) are two types of olfactory receptors, and they are essential for the recognition of ligands at peripheral neurons.Apriona germari(Hope) (Coleoptera: Cerambycidae) is one of the most serious insect pests that cause damage to economic trees and landscaping trees, resulting in massive environmental damages and economic losses. Olfactory-based management strategy has been suggested as a promising strategy to control this wood-boring beetle. However, the olfactory perception mechanism inA. germariis now almost unknown. In the present study, RNA sequencing analysis was used to determine the transcriptomes of adultA. germariantennae. Among 36,834 unigenes derived from the antennal assembly, we identified 42 AgerORs and three AgerIRs. Based on the tissue expression pattern analysis, 27 AgerORs displayed a female-biased expression. Notably, AgerOR3, 5, 13, 33, and 40 showed a significant female-biased expression and were clustered with the pheromone receptors ofMegacyllene caryaein the phylogenetic tree, suggesting that these AgerORs could be potential pheromone receptors for sensing male-produced sex pheromones inA. germari. The AgerIRs expression profile demonstrated that AgerIR2 had high expression levels in male labial palps, suggesting that this receptor may function to detect female-deposited trail-sex pheromone blend ofA. germari. In addition, the phylogenetic tree showed that the Orco gene of five cerambycidae species was highly conservative. These results provide a foundation for further studies on the molecular mechanisms of olfactory chemoreception inA. germariapart from suggesting novel targets for the control of this pest in the future.
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