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首页> 外文期刊>Cell and Tissue Research >Sex-specific antennal sensory system in the ant Camponotus japonicus: structure and distribution of sensilla on the flagellum
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Sex-specific antennal sensory system in the ant Camponotus japonicus: structure and distribution of sensilla on the flagellum

机译：蚂蚁Camponotus japonicus的性别特异性触觉感觉系统：鞭毛上的感官结构和分布

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摘要

The antennae are a critically important component of the ant’s highly elaborated chemical communication systems. However, our understanding of the organization of the sensory systems on the antennae of ants, from peripheral receptors to central and output systems, is poorly understood. Consequently, we have used scanning electron and confocal laser microscopy to create virtually complete maps of the structure, numbers of sensory neurons, and distribution patterns of all types of external sensilla on the antennal flagellum of all types of colony members of the carpenter ant Camponotus japonicus. Based on the outer cuticular structures, the sensilla have been classified into seven types: coelocapitular, coeloconic, ampullaceal, basiconic, trichoid-I, trichoid-II, and chaetic sensilla. Retrograde staining of antennal nerves has enabled us to count the number of sensory neurons housed in the different types of sensilla: three in a coelocapitular sensillum, three in a coeloconic sensillum, one in an ampullaceal sensillum, over 130 in a basiconic sensillum, 50–60 in a trichoid-I sensillum, and 8–9 in a trichoid-II sensillum. The basiconic sensilla, which are cuticular hydrocarbon-receptive in the ant, are present in workers and unmated queens but absent in males. Coelocapitular sensilla (putatively hygro- and thermoreceptive) have been newly identified in this study. Coelocapitular, coeloconic, and ampullaceal sensilla form clusters and show biased distributions on flagellar segments of antennae in all colony members. The total numbers of sensilla per flagellum are about 9000 in unmated queens, 7500 in workers, and 6000 in males. This is the first report presenting comprehensive sensillar maps of antennae in ants.
机译：天线是蚂蚁精心设计的化学通讯系统中至关重要的组成部分。但是，我们对从外围受体到中央和输出系统的蚂蚁触角上的感觉系统的组织的了解很少。因此，我们已经使用扫描电子和共聚焦激光显微镜在木匠蚂蚁Camponotus japonicus的所有类型的菌落成员的触角鞭毛上创建了几乎完整的结构图，感觉神经元数量以及所有类型的外部感官分布图。 。根据表皮的外部结构，将感觉器分为七种类型：腔囊，腔圆锥形，壶腹，碱性，三毛-I，三毛-II和混沌感性。触角神经的逆向染色使我们能够计算容纳在不同类型的感官中的感觉神经元的数量：三个位于腔腹膜感官腔中，三个位于腔圆锥形感官腔中，一个位于壶腹形感官腔中，三个在一个基础性感官腔中感官神经元，50–在Trichoid-I感应器中为60，在Trichoid-II感应器中为8–9。蚂蚁中的表皮碳氢化合物感受器官中的碱度感官，存在于工人和未交配的皇后中，而男性则不存在。在这项研究中新发现了鼻腔感觉器（据称具有吸湿性和热感受性）。腔腹，腔圆锥和壶腹的感官形成簇，并且在所有菌落成员的触角鞭毛节上显示有偏差的分布。未交配的皇后区每个鞭毛的总数约为9000个，工人为7500个，男性为6000个。这是第一份介绍蚂蚁触角综合感官地图的报告。

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