The novel function of an orphan pheromone receptor reveals the sensory specializations of two potential distinct types of sex pheromones in noctuid moth
文献类型: 外文期刊
作者: Chenrui Wang;Song Cao;Chen Shi;Mengbo Guo;Dongdong Sun;Zheyi Liu;Peng Xiu;Yong Wang;Guirong Wang;Yang Liu
作者机构:
关键词: (2-2-2)Helicoverpa armigera;Molecular docking;Olfactory sensilla;Pheromone receptor;Type II sex pheromone
期刊名称: Cellular and Molecular Life Sciences
ISSN: 1420-682X
年卷期: 2024 年 81 卷 1 期
页码:
收录情况: SCIE(2024版)
摘要: Sex pheromones play crucial role in mating behavior of moths, involving intricate recognition mechanisms. While insect chemical biology has extensively studied type I pheromones, type II pheromones remain largely unexplored. This study focused on Helicoverpa armigera, a representative species of noctuid moth, aiming to reassess its sex pheromone composition. Our research unveiled two previously unidentified candidate type II sex pheromones—3Z,6Z,9Z-21:H and 3Z,6Z,9Z-23:H—in H. armigera. Furthermore, we identified HarmOR11 as an orphan pheromone receptor of 3Z,6Z,9Z-21:H. Through AlphaFold2 structural prediction, molecular docking, and molecular dynamics simulations, we elucidated the structural basis and key residues governing the sensory nuances of both type I and type II pheromone receptors, particularly HarmOR11 and HarmOR13. This study not only reveals the presence and recognition of candidate type II pheromones in a noctuid moth, but also establishes a comprehensive structural framework for PRs, contributing to the understanding of connections between evolutionary adaptations and the emergence of new pheromone types.
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