Identification and functional characterization of an odorant receptor in pea aphid, Acyrthosiphon pisum
文献类型： 外文期刊
第一作者： Yan, Shan-Chun
作者： Yan, Shan-Chun;Zhang, Rui-Bin;Liu, Yang;Wang, Gui-Rong
作者机构：
关键词： Acyrthosiphon pisum; electroantennogram; heterologous expression; odorant receptor
期刊名称：INSECT SCIENCE （ 影响因子：3.262； 五年影响因子：3.206 ）
ISSN： 1672-9609
年卷期： 2019 年 26 卷 1 期
页码：
收录情况： SCI
摘要： The sensitive olfactory system is necessary for survival of insects. Odorant receptors (ORs) are located on the dendrites of olfactory receptor neurons and play a critical role in odor detection. Insect ORs are functionally analyzed via heterologous expression in a Xenopus oocyte system using a two-electrode voltage-clamp (TEVC) electrophysiological recording. Here, we have identified a novel OR in the pea aphid, Acyrthosiphon pisum, then we cloned and named it ApisOR4. We analyzed the ApisOR4 tissue expression patterns and found expression only in antennae tissues. Further functional analysis using TEVC revealed that ApisOR4 is broadly tuned to eight volatiles, which elicit electrophysiological response in pea aphid antennae. This study provides an initial functional analysis of aphid ORs and identifies candidate volatiles to be used in developing new strategies for aphid control.
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