在Ascidian Styela clava中首次描述Typhlosole:结构和假定功能
M A Kobeletskaya1, E N Temereva2
1Moscow State University, Moscow, Russia.
概括
在入侵性虫Styela clava中发现的一种新发现的 typhlosole 增强了营养吸收和消化. 这种适应可能有助于该物种在各种水生环境中的生物成功.
科学领域:
- 海洋生物学 海洋生物学
- 无脊椎动物动物学 不脊椎动物动物学
- 侵入性物种研究研究 侵入性物种研究
背景情况:
- 斯蒂耶拉克拉瓦是一种广泛的入侵性.
- 它的消化系统生理学尚未完全理解.
研究的目的:
- 描述一个以前未知的 typhlosole 在 Styela clava.
- 为了研究这种类型素的结构和功能.
主要方法:
- 历史学技术 历史学技术
- 传输电子显微镜的使用
- 计算机微断层图形学 计算机微断层图形学
主要成果:
- 鉴定出一个大型型炎,从胃延伸到直肠.
- 伤寒细胞包括肠上皮质,包括腺体,纤毛细胞和非纤毛细胞,以及带管和血管的结合性组织层.
- 在上皮细胞中观察到阿波克林分泌.
结论:
- 泰弗洛索尔显著增强了食物的消化和营养吸收.
- 它的结构支持高消化效率,即使在缺乏营养的水中.
- 这种适应是Styela clava.生态成功的关键因素.
相关概念视频
Septins
2.2K
Septins are protein filaments forming the cytoskeleton along with the microtubules, microfilaments, intermediate filaments, and other accessory proteins. In 1971 while studying the cell division cycle in mutant Saccharomyces cerevisiae Harwell et al. first identified the septin-related genes playing a crucial role in yeast cytokinesis. Fluorescence microscopy revealed that these proteins localize at the budding neck as rings. These ring-like proteins were then named Septins by John Pringle, and...
2.2K
Cell Motility through Blebbing
2.4K
Blebs are a type of membrane protrusion formed by the internal hydrostatic pressure of the cytoplasm. Blebs are observed in several cell types, including fibroblasts, immune cells, and single-celled organisms like the amoeba. The primary function of blebs is cell locomotion and apoptosis, but they are also found during necrosis and cell division. The life cycle of a bleb comprises an initiation phase followed by the expansion and retraction phases.
Blebbing Through the Matrix
In multicellular...
Blebbing Through the Matrix
In multicellular...
2.4K
Mechanism of Filopodia Formation
3.1K
Filopodia are thin, actin-rich cellular protrusions that play an important role in many fundamental cellular functions. They vary in their occurrence, length, and positioning in different cell types, suggesting their diverse roles.
Their main function is to guide migrating cells during normal tissue morphogenesis or cancer metastasis by recognizing and making initial contacts with the extracellular matrix. However, they can also act as stationary cell anchors or help to establish communication...
Their main function is to guide migrating cells during normal tissue morphogenesis or cancer metastasis by recognizing and making initial contacts with the extracellular matrix. However, they can also act as stationary cell anchors or help to establish communication...
3.1K
Role of Septins
2.1K
Septins are the recently discovered fourth major protein component of the cytoskeleton, along with microfilaments, microtubules, and intermediate filaments. These proteins can associate with other cytoskeletal filaments and carry out varied roles or can be free-floating in the cytoplasm.
Cellular Functions of Septins
Recent studies have revealed the multifaceted roles of septins in various cellular processes such as cytokinesis, ciliogenesis, and neurogenesis. Septins act as scaffolds and...
Cellular Functions of Septins
Recent studies have revealed the multifaceted roles of septins in various cellular processes such as cytokinesis, ciliogenesis, and neurogenesis. Septins act as scaffolds and...
2.1K
Surface Appendages of Archaea
610
Archaeal surface appendages are highly specialized structures essential for environmental adaptation, encompassing roles in adhesion, biofilm formation, and motility. Among these appendages, pili and archaella stand out for their distinct morphologies and functionalities, enabling archaea to thrive in diverse and often extreme environments.Pili: Adhesion and Biofilm FormationPili are filamentous structures assembled from pilin protein subunits, primarily contributing to adhesion and biofilm...
610
Structure of Cadherins
4.7K
The cadherins were one of the first cell adhesion molecules discovered; the term “cadherins” is based on their calcium-dependent adhering properties. The first cadherins discovered on the epithelial, neuronal, and placental cells were named E-cadherin, P-cadherin, and N-cadherin, respectively. These classical cadherins share sequence and structural similarities. Other cadherins, including those involved in cell signaling, are grouped into non-classical cadherins. This...
4.7K


