microtubule

简明释义

英[ˌmaɪkrəʊˈtjuːbjuːl]美[ˈmaɪˌkroʊˈtuːbjul]

n. [细胞] 微管

英英释义

单词用法

同义词

反义词

例句

1.In kinesin's actual movement, it continuously changes its conformation to catalyze ATP's hydrolysis. The role of microtubule is not a simple periodic potential.

在实际运动中，马达不断进行着自身构象变化并催化AT P水解，微管产生的势场也不仅仅是一个简单的周期势函数。

2.The model investigates the effect of the surrounding filament network and the cytosol on the microtubule buckling.

运用该模型研究了周围细丝网状结构和胞质溶胶对微管皱曲的作用。

3.The heads take turns stepping along the microtubule, at a rate of up to 100 steps (800 nanometers) per second.

两个头部交替迈步沿微管前进，最快每秒100步(800纳米)。

4.Immunohistochemical analyses were used to detect the expression of microtubule associated protein-2 (MAP-2).

免疫组织化学染色观察培养物微管相关蛋白(MAP - 2)。

5.The microtubule network of fritillary callus cell was showed through immunoenzymological technique.

采用免疫酶标技术显示出伊贝母愈伤组织细胞内的微管网络。

6.The actions of microtubule organizing centers and coated vesicles were discussed.

讨论了包被囊泡和微管组织中心可能的作用。

7.Cytoskeleton includes microfilament, microtubule and intermediate filaments.

细胞骨架包括微丝、微管及中间丝。

8.Microtubule-associated proteins (MAPs) bind to microtubules specifically and are involved in the regulation of microtubule dynamics and its related functions.

微管结合蛋白是一类能够特异地与微管结合，参与调节微管结构与功能的结合蛋白。

9.The movement of cilia and flagella is driven by the arrangement of microtubules.

纤毛和鞭毛的运动是由微管的排列驱动的。

10.In neurons, microtubules transport essential nutrients and proteins.

在神经元中，微管运输重要的营养物质和蛋白质。

11.The structure of the cell is maintained by the network of microtubules.

细胞的结构由微管网络维持。

12.Drugs that target microtubules can be effective in cancer treatment.

针对微管的药物可以有效治疗癌症。

13.During cell division, microtubules help segregate chromosomes.

在细胞分裂过程中，微管帮助分离染色体。

作文

Microtubules are essential components of the cytoskeleton in eukaryotic cells. They are cylindrical structures made up of tubulin protein subunits and play a crucial role in various cellular functions. One of the primary functions of microtubule (微管) is to provide structural support to the cell, helping to maintain its shape and integrity. This is particularly important for cells that undergo significant changes in shape, such as during cell division or movement. In addition to providing structural support, microtubule (微管) also plays a vital role in intracellular transport. Motor proteins, such as kinesin and dynein, travel along the microtubule (微管) tracks, carrying cellular cargo like organelles, vesicles, and proteins to their designated locations within the cell. This transport system is crucial for maintaining cellular function and organization. Without the proper functioning of microtubule (微管), cells would struggle to distribute essential materials effectively, leading to dysfunction and disease. Moreover, microtubule (微管) is involved in cell division, specifically during mitosis and meiosis. During these processes, microtubule (微管) forms the mitotic spindle, which helps separate chromosomes into daughter cells. The dynamic nature of microtubule (微管) allows them to grow and shrink rapidly, enabling the precise movements required during cell division. Disruptions to this process can result in aneuploidy, a condition where cells have an abnormal number of chromosomes, which is often associated with cancer. Furthermore, microtubule (微管) also contributes to the formation of cilia and flagella, which are hair-like structures that protrude from the surface of some cells. These structures are essential for locomotion in certain organisms and play a role in sensory functions in others. For example, the beating of cilia in the respiratory tract helps to clear mucus and debris, while flagella enable sperm to swim towards the egg. The assembly and maintenance of these structures depend heavily on the proper functioning of microtubule (微管). In summary, microtubule (微管) is a fundamental component of cellular architecture and function. Its roles in providing structural support, facilitating intracellular transport, aiding in cell division, and forming motile structures highlight its importance in biology. Understanding the dynamics and functions of microtubule (微管) not only enhances our knowledge of cellular processes but also informs medical research, particularly in developing treatments for diseases linked to cytoskeletal dysfunction. As we continue to explore the intricacies of cellular mechanisms, the significance of microtubule (微管) remains a focal point for scientists aiming to unravel the complexities of life at the cellular level.

微管是真核细胞细胞骨架的重要组成部分。它们是由微管蛋白亚单位构成的圆柱形结构，在各种细胞功能中发挥着至关重要的作用。微管（microtubule）的主要功能之一是为细胞提供结构支持，帮助维持其形状和完整性。这对于经历显著形状变化的细胞尤为重要，例如在细胞分裂或运动期间。除了提供结构支持外，微管（microtubule）还在细胞内运输中发挥着重要作用。马达蛋白如动力蛋白和驱动蛋白沿着微管（microtubule）轨道移动，将细胞货物如细胞器、囊泡和蛋白质运送到细胞内指定的位置。这一运输系统对于维持细胞功能和组织至关重要。如果微管（microtubule）无法正常工作，细胞将难以有效分配必要的材料，从而导致功能障碍和疾病。此外，微管（microtubule）还参与细胞分裂，特别是在有丝分裂和减数分裂过程中。在这些过程中，微管（microtubule）形成有丝分裂纺锤体，帮助将染色体分离到子细胞中。微管（microtubule）的动态特性使它们能够快速生长和收缩，从而实现细胞分裂所需的精确运动。该过程的干扰可能导致染色体数目异常，这种情况通常与癌症相关。此外，微管（microtubule）还促进纤毛和鞭毛的形成，这些是从某些细胞表面突出的发状结构。这些结构对于某些生物的运动至关重要，并在其他生物中发挥感官功能。例如，呼吸道中纤毛的拍打有助于清除粘液和杂质，而鞭毛则使精子能够游向卵子。这些结构的组装和维持在很大程度上依赖于微管（microtubule）的正常功能。总之，微管（microtubule）是细胞结构和功能的基本组成部分。它在提供结构支持、促进细胞内运输、协助细胞分裂和形成运动结构方面的作用突显了它在生物学中的重要性。理解微管（microtubule）的动态和功能不仅增强了我们对细胞过程的知识，而且为医学研究提供了信息，特别是在制定与细胞骨架功能障碍相关疾病的治疗方案时。随着我们继续探索细胞机制的复杂性，微管（microtubule）的重要性仍然是科学家们旨在揭示细胞层面生命复杂性的重点。