有柄藤壶,Aurivillius 1894(Circripedia:胸科:壶科)幼虫个体发育过程中肌肉和神经系统的发育。

IF 1.7 3区 农林科学 Q2 ENTOMOLOGY Arthropod Structure & Development Pub Date : 2023-09-01 DOI:10.1016/j.asd.2023.101298
Fook-Choy Yap , Wey-Lim Wong , Ving-Ching Chong , Chui-Wei Bong , Lee-Hong Susan Lim
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引用次数: 0

摘要

显微镜技术的进步激发了人们对无脊椎动物肌肉和神经结构的极大兴趣,特别是利用肌肉和神经系统结构来推断系统发育关系。在这里,我们使用鬼笔蛋白F-肌动蛋白和免疫组织化学标记(例如乙酰化的α-微管蛋白和血清素)以及共聚焦激光扫描显微镜分析,提供了有柄藤壶(角胞浆藻)幼虫发育过程中肌肉和神经系统发育的数据。所有无节幼体阶段都有相同的肌肉和神经结构,只是大小不同。无节幼体在其进食器和无节附属物中有复杂的肌肉排列。大多数无节肌在鲤鱼变态过程中经历组织溶解。无节幼体VI末端的头盾下形成塞浦路斯肌肉。无节幼体和塞浦路斯中枢神经系统表现出典型的三方大脑,包括原小脑、双小脑和三小脑。血清素样免疫反应主要分布于无节脑、下颌神经节、塞浦路斯脑和后神经节。我们的研究表明,无节幼体和鲤鱼的许多肌肉和神经结构具有系统发育意义,但未来有必要对其他藤壶物种的肌肉解剖和神经解剖学进行研究,以确定这些结构的同源性。
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Development of the muscular and nervous systems during the larval ontogeny of the stalked barnacle, Octolasmis angulata Aurivillius 1894 (Cirripedia: Thoracicalcerea: Poecilasmatidae)

The advancements in microscopic techniques have stimulated great interest in the muscular and neural architectures of invertebrates, specifically using muscle and neural structures to infer phylogenetic relationships. Here, we provide the data on the development of the muscular and nervous systems during the larval development of stalked barnacle, Octolasmis angulata using the phalloidin F-actin and immunohistochemical labelling (e.g. acetylated α-tubulin and serotonin) and confocal laser scanning microscopy analysis. All naupliar stages shared the same muscle and neural architectures with only the discrepancy in size. The nauplii have a complex muscle arrangement in their feeding apparatus and naupliar appendages. Most naupliar muscles undergo histolyse during the cyprid metamorphosis. The cyprid muscles form beneath the head shield at the end of nauplius VI. The naupliar and cyprid central nervous systems exhibit the typical tripartite brain comprising the protocerebrum, deutocerebrum and tritocerebrum. The serotonin-like immunoreactivity is mainly found in the naupliar brain, mandibular ganglia, cyprid brain and posterior ganglia. Our study revealed that numerous muscle and neural architectures in the naupliar and cyprids have phylogenetic significance, but future studies on the myoanatomy and neuroanatomy of other barnacle species are necessary to determine the homology of these structures.

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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.
期刊最新文献
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