粘虫Medauroidea extradentata(Phasmatodea)不同光滑附着垫的超微结构和粘性分泌途径的比较分析。

IF 2.6 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
Beilstein Journal of Nanotechnology Pub Date : 2024-05-29 eCollection Date: 2024-01-01 DOI:10.3762/bjnano.15.52
Julian Thomas, Stanislav N Gorb, Thies H Büscher
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引用次数: 0

摘要

长期以来,昆虫在不同基质上实现附着和运动的机制一直令科学家们感到好奇,这促使他们对附着垫的功能形态进行了广泛的研究。在粘虫中,两种不同类型的光滑角质层附着垫有助于附着和运动:产生主要附着力的rolium和产生摩擦力的euplantulae。这两种附着垫都由附着垫和基质之间的粘附分泌物支撑。在这项研究中,我们利用扫描电子显微镜、微型计算机断层扫描、光学显微镜和激光共聚焦扫描显微镜,分析和比较了粘虫Medauroidea extradentata的两个粘附器官的内部形态、材料组成和超微结构以及运输途径。我们的观察结果表明,这两种附着垫在结构上存在差异,反映了它们不同的功能。此外,我们的研究结果还为粘附性分泌物勾勒出了一条潜在的路径,这些分泌物来自表皮外分泌细胞,在到达表面之前会穿过不同的层。在附着垫内部,液体可能会影响附着垫的粘弹性,并控制附着/脱离过程。了解附着垫的材料组成和粘合剂分泌物的分布过程,可能有助于开发更有效的人工附着系统。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparative analysis of the ultrastructure and adhesive secretion pathways of different smooth attachment pads of the stick insect Medauroidea extradentata (Phasmatodea).

The mechanism by which insects achieve attachment and locomotion across diverse substrates has long intrigued scientists, prompting extensive research on the functional morphology of attachment pads. In stick insects, attachment and locomotion are facilitated by two distinct types of smooth cuticular attachment pads: the primary adhesion force-generating arolium and the friction force-generating euplantulae. They are both supported by an adhesive secretion delivered into the interspace between the attachment pads and the substrate. In this study, we analysed and compared internal morphology, material composition and ultrastructure, as well as the transportation pathways in both adhesive organs in the stick insect Medauroidea extradentata using scanning electron microscopy, micro-computed tomography, light microscopy, and confocal laser scanning microscopy. Our observations revealed structural differences between both attachment pads, reflecting their distinct functionality. Furthermore, our results delineate a potential pathway for adhesive secretions, originating from exocrine epidermal cells and traversing various layers before reaching the surface. Within the attachment pad, the fluid may influence the viscoelastic properties of the pad and control the attachment/detachment process. Understanding the material composition of attachment pads and the distribution process of the adhesive secretion can potentially aid in the development of more effective artificial attachment systems.

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来源期刊
Beilstein Journal of Nanotechnology
Beilstein Journal of Nanotechnology NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
5.70
自引率
3.20%
发文量
109
审稿时长
2 months
期刊介绍: The Beilstein Journal of Nanotechnology is an international, peer-reviewed, Open Access journal. It provides a unique platform for rapid publication without any charges (free for author and reader) – Platinum Open Access. The content is freely accessible 365 days a year to any user worldwide. Articles are available online immediately upon publication and are publicly archived in all major repositories. In addition, it provides a platform for publishing thematic issues (theme-based collections of articles) on topical issues in nanoscience and nanotechnology. The journal is published and completely funded by the Beilstein-Institut, a non-profit foundation located in Frankfurt am Main, Germany. The editor-in-chief is Professor Thomas Schimmel – Karlsruhe Institute of Technology. He is supported by more than 20 associate editors who are responsible for a particular subject area within the scope of the journal.
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