基于三种蛱蝶复眼气管系统超微结构研究的系统发育意义

IF 1.7 3区 农林科学 Q2 ENTOMOLOGY
Qing-Xiao Chen, Qi-Hui Lyu, Ying-Wu Chen, Yue-Qin Song
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引用次数: 0

摘要

复眼是昆虫突出的视觉器官,可以为昆虫系统发育的重建提供有价值的信息。尽管最大的蝶科(睡蝶科)已经有了明确的定义,但其家族下的系统发育关系至今仍存在争议。本研究利用光学显微镜和透射电子显微镜研究了三种若虫Neptis beroe、Childrena zenobia和Paleonypha opalina复眼的超微结构,试图寻找潜在的重要系统发育特征。若虫的复眼共用一个“1-4−8”分支模式的气管系统。8个气管分支沿视网膜基底细胞呈不同的分布模式:从视网膜基底细胞最远端到横纹肌端,而N.beroe和C.zenobia的细胞几乎沿着整个基底视网膜细胞在视网膜的外围,并且仅在基底视网膜细胞的近端处变得靠近横纹肌。讨论了三种若虫的气管结构及其潜在的系统发育意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Phylogenetic implications based on an ultrastructural study with emphasis on the tracheal system of the compound eyes of three species of nymphalid butterflies

Compound eyes are the prominent visual organs of insects and can provide valuable information for the reconstruction of insect phylogeny. Although the largest butterfly family (Nymphalidae) has been well defined, the infrafamilial phylogenetic relationships remain controversial hitherto. In the present study the ultrastructure of the compound eyes of three nymphalids Neptis beroe, Childrena zenobia, and Palaeonympha opalina was investigated using light and transmission electron microscopy in an attempt to seek potentially important phylogenetic characters. The compound eyes of the nymphalids share a tracheal system in a “1–4−8” branching pattern. The eight tracheal subbranches exhibit distinct distribution patterns along the basal retinula cell as follows: the tracheal subbranches of Palaeonympha opaline are close to the rhabdom in the distance from the distalmost part of the basal retinula cell to the rhabdom end, while those of N. beroe and C. zenobia are on the periphery of the retinula along almost the whole basal retinula cell and become close to the rhabdom just at the proximal end of the basal retinula cell. The tracheal structure of the three nymphalids is discussed for their potential phylogenetic implications.

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来源期刊
CiteScore
3.50
自引率
10.00%
发文量
54
审稿时长
60 days
期刊介绍: Arthropod Structure & Development is a Journal of Arthropod Structural Biology, Development, and Functional Morphology; it considers manuscripts that deal with micro- and neuroanatomy, development, biomechanics, organogenesis in particular under comparative and evolutionary aspects but not merely taxonomic papers. The aim of the journal is to publish papers in the areas of functional and comparative anatomy and development, with an emphasis on the role of cellular organization in organ function. The journal will also publish papers on organogenisis, embryonic and postembryonic development, and organ or tissue regeneration and repair. Manuscripts dealing with comparative and evolutionary aspects of microanatomy and development are encouraged.
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