A Female-Biased Odorant Receptor from Apolygus lucorum (Meyer-Dur) Tuned to Some Plant Odors
文献类型: 外文期刊
第一作者: Zhang, Meiping
作者: Zhang, Meiping;Zhang, Zhixiang;Yan, Shuwei;Wang, Guirong;Liu, Yang
作者机构:
关键词: Apolygus lucorum;odorant receptor;plant volatile;Xenopus oocytes;electroantennogram
期刊名称:INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES ( 影响因子:5.923; 五年影响因子:6.132 )
ISSN: 1422-0067
年卷期: 2016 年 17 卷 8 期
页码:
收录情况: SCI
摘要: Apolygus lucorum (Meyer-Dur) (Hemiptera: Miridae) is a serious pest of cotton, jujube, grape and many other crops around the world. Understanding how olfactory information directs this insect to its host plants may provide environment-friendly approaches to the control of its population in agriculture. In our study, we cloned an odorant receptor gene, AlucOR46, that was specifically expressed in antennae and female-biased. Functional expression of AlucOR46 in Xenopus oocytes showed that it is tuned to six plant volatiles (S)-(-)-Limonene, (R)-(+)-Limonene, (E)-2-Hexenal, (E)-3-Hexenol, 1-Heptanol and (1R)-(-)-Myrtenol. Electroantennogram (EAG) recordings revealed that all six compounds could elicit electrophysiological responses from the antennae of A. lucorum, higher in females. Our results are in agreement with previous reports showing that (E)-2-Hexenal could attract female A. lucorum in behavior experiments. These results suggest that AlucOR46 might play an important role in locating the host plants of A. lucorum and therefore represents a suitable target for green pest control.
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