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当前位置: 首页 > 文章 > 小菜蛾成虫触角叶细胞体的数量、分布和形态 昆虫学报 2017 (7) 735-741
Position: Home > Articles > Number,distribution and morphology of cell bodies in the antennal lobe of Plutella xylostella(Lepidoptera:Plutellidae) adults Acta Entomologica Sinica 2017 (7) 735-741

小菜蛾成虫触角叶细胞体的数量、分布和形态

作  者：
闫喜中;谢佼昕;邓彩萍;吴兰军;孙学俊;郝赤
单  位：
山西农业大学林学院;University of Alberta;Cross Cancer Institute;Department of Experimental Oncology;山西农业大学农学院
关键词：
小菜蛾;脑;触角叶;细胞体;三维结构;激光共聚焦显微镜
摘  要：
【目的】探讨小菜蛾Plutella xylostella成虫触角叶上细胞体的分布、数量及形态特征。【方法】通过细胞核染色和激光共聚焦显微镜对其触角叶结构进行分层扫描,然后利用Imaris软件进行图像分析,并构建细胞体的三维结构模型,测量其体积和表面积。【结果】小菜蛾的触角叶表面分布有大量的细胞体,细胞体成簇分布于触角叶的内侧、外侧和前端,有少量巨型不规则细胞体出现在触角叶内侧和外侧细胞体群中;雌性小菜蛾触角叶上大约有560个细胞体,雄蛾细胞体数量多于雌蛾,约810个。细胞体的形态差异较大,三维重建显示多数细胞体呈近球形。最小细胞体的表面积和体积分别为96.7μm~2和76.9μm~3,其对应细胞核表面积和体积分别为42.5μm~2和24.1μm~3。最大体细胞的表面积和体积分别为389μm~2和514μm~3,对应细胞核的表面积和体积分别为265μm~2和261μm~3。【结论】本研究阐明了小菜蛾触角叶上细胞体的分布和形态特征,为深入了解昆虫中枢神经系统的解剖结构和生理功能提供一定的基础。
译  名：
Number,distribution and morphology of cell bodies in the antennal lobe of Plutella xylostella(Lepidoptera:Plutellidae) adults
作  者：
YAN Xi-Zhong;XIE Jiao-Xin;DENG Cai-Ping;WU Lan-Jun;SUN Xue-Jun;HAO Chi;Agricultural College,Shanxi Agricultural University;Forestry College,Shanxi Agricultural University;Department of Experimental Oncology,University of Alberta,Cross Cancer Institute;
关键词：
Plutella xylostella;;brain;;antennal lobe;;cell body;;three-dimensional model;;laser scanning confocal microscope
摘  要：
【Aim】This study aims to investigate the number,distribution and morphology of cell bodies in the antennal lobe of adults of the diamondback moth,Plutella xylostella.【Methods 】The nuclear staining and laser scanning confocal microscope were used to acquire the confocal image stacks of antennal lobe.The cell digital three-dimensional reconstructions were created by the Imaris software,and the volumes and surface areas of cell bodies were measured by using the statistic tool of the Imaris software.【Results】A lot of cell bodies are distributed in the medial cell cluster(MCCL),lateral cell cluster(LCCL) and anterior cell cluster(ACCL) of the antennal lobe of P.xylostella adults,and some irregular giant cells exist in the MCCL and LCCL.There are about 560 cell bodies in the antennal lobe in females,and 810 in males,more in males than in females.The morphology of cell bodies varies significantly,and three-dimensional reconstructions of cell bodies showed that most of them are nearly spherical.The surface area and volume of the smallest cell body are 96.7 μm~2 and 76.9 μm~3,and those of the nuclei are 42.5 μm~2 and 24.1 μm~3,respectively.The surface area and volume of the largest cell body are 389 μm~2 and 514 μm~3,and the surface area and volume of the nuclei are 265 μm~2 and 261μm~3,respectively.【Conclusion】The characteristics of cell bodies in the antennal lobe of P.xylostella have been illustrated in this study,which will provide a basis for further understanding the anatomicalstructure and physiological function of the central nervous system.

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