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Your Position :Home->Past Journals Catalog->2021年58 No.4

Progress in research on insect olfactory receptors and their mechanisms of signal transduction
Author of the article:LI Hui HONG Xi-Wen ZHANG Zhi-Yi FAN Yi-Fei WANG Zheng-Yan
Author's Workplace:College of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, China; Collaborative Innovation Center of Grain Storage Security in Henan Province, Zhengzhou 450001, China; Collaborative Innovation Center of Henan Grain Crops, Zhengzhou 450001, China
Key Words:odorant receptors; evolution; structure; functional characterization; signal transduction
Abstract:
A highly sensitive olfactory system can help insects accurately identify different volatile compounds and play a vital role in activities such as foraging, mating and oviposition. Insects use a huge number and variety of olfactory receptors on sensory neuron membranes to recognize different odors and regulate their behavior. Three main families of insect olfactory receptors have been identified: ionotropic receptors, odorant receptors, and gustatory receptors that respond to carbon dioxide and pheromones. At present, the molecular structure of olfactory receptors and the signal transduction mechanisms mediated by olfactory receptors have not been fully elucidated, also the identification of olfactory receptor ligands needs further research. In this review, we summarize progress in research on the structure, evolution, and functional characterization of insect olfactory receptors, as well as the mechanism of odorant receptor-mediated signal transduction, in order to provide some theoretical references for studying insect olfactory coding and regulation, as well as the interaction between insects and plants.
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