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Central Projection of Antennal Sensory Neurons in the Central Nervous System of the Mirid Bug Apolygus lucorum (Meyer-Dur)

文献类型： 外文期刊

作者： Xie, Gui-Ying 1 ; Zhao, Xin-Cheng 2 ; Ma, Bai-Wei 2 ; Guo, Pei 2 ; Li, Guo-Ping 3 ; Feng, Hong-Qiang 3 ; Wu, Guo-Liang 4 ;

作者机构： 1.Henan Agr Univ, Dept Pesticide, Coll Plant Protect, Zhengzhou 450002, Peoples R China

2.Henan Agr Univ, Dept Entomol, Coll Plant Protect, Zhengzhou 450002, Peoples R China

3.Henan Acad Agr Sci, Inst Plant Protect, Int Joint Res Lab Crop Protect Henan,Henan Key La, Key Lab Integrated Pest Management Crops Southern, Zhengzhou 450002, Peoples R China

4.Henan Agr Univ, Dept Pomol, Coll Hort, Zhengzhou 450002, Peoples R China

期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）

ISSN： 1932-6203

年卷期： 2016 年 11 卷 8 期

页码：

收录情况： SCI

摘要： The mirid bug Apolygus lucorum (Meyer-Dur), a polyphagous pest, is dependent on olfactory cues to locate various host plant species and mates. In this study, we traced the projection pathway of the antennal sensory neurons and visualized their projection patterns in the central nervous system of A. lucorum through confocal microscopy and digital reconstructions. We also examined the glomerular organization of the primary olfactory center of the brain, the antennal lobe, and created a three-dimensional model of the glomeruli. We found that the axons of the sensory neurons project into the brain via the ipsilateral antennal nerve, and descend further into the gnathal ganglion, prothoracic ganglion, mesothoracic ganglion, and metathoracic ganglion, and reach as far as to the abdominal ganglion. Such a projection pattern indicates that antennal sensory neurons of A. lucorum may be potentially directly connected to motor neurons. The antennal lobe, however, is the major target area of antennal sensory neurons. The antennal lobe is composed of a large number of glomeruli, i. e. 70-80 glomeruli in one AL of A. lucorum. The results of this study which provide information about the basic anatomical arrangement of the brain olfactory center of A. lucorum, are important for further investigations of chemosensory encoding mechanisms of the mirid bug.

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