phragmoplast

简明释义

英[ˈfræɡməˌplæst]美[ˈfræɡməˌplæst]

n. [细胞] 成膜体

英英释义

单词用法

同义词

反义词

例句

1.Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid, methyl methacrylate, butyl acrylate as the raw materials.

以丙烯酸、 丙烯酸丁酯和甲基丙烯酸甲酯为单体，采用自由基聚合法制备了聚丙烯酸卷材涂料前驱成膜物，获得了适宜的制备工艺条件。

2.Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid, methyl methacrylate, butyl acrylate as the raw materials.

以丙烯酸、 丙烯酸丁酯和甲基丙烯酸甲酯为单体，采用自由基聚合法制备了聚丙烯酸卷材涂料前驱成膜物，获得了适宜的制备工艺条件。

3.The phragmoplast 隔膜体 plays a key role in the synthesis of the new cell wall after mitosis.

在有丝分裂后，phragmoplast 隔膜体 在新细胞壁的合成中发挥了关键作用。

4.Researchers observed the alignment of microtubules in the phragmoplast 隔膜体 during their studies on cell division.

研究人员在对细胞分裂的研究中观察到了微管在 phragmoplast 隔膜体 中的排列。

5.During cytokinesis in plant cells, the formation of the phragmoplast 隔膜体 is crucial for dividing the cell.

在植物细胞的细胞分裂过程中，phragmoplast 隔膜体 的形成对于细胞分裂至关重要。

6.In studying plant development, scientists focus on the dynamics of the phragmoplast 隔膜体 during cell plate formation.

在研究植物发育时，科学家们专注于细胞板形成过程中 phragmoplast 隔膜体 的动态变化。

7.The presence of the phragmoplast 隔膜体 indicates that the cell is undergoing cytokinesis.

phragmoplast 隔膜体 的存在表明细胞正在经历细胞分裂。

作文

In the world of plant biology, understanding cellular structures is crucial for grasping how plants grow and reproduce. One such structure that plays a vital role during cell division is the phragmoplast. The phragmoplast is a plant-specific structure formed during cytokinesis, the final stage of cell division. It is composed of microtubules and other proteins, which help in organizing the formation of the cell plate, a precursor to the new cell wall. This process is essential for ensuring that two daughter cells are properly separated and can function independently after division.The phragmoplast appears as a scaffold that guides vesicles containing cell wall materials to the center of the dividing cell. As these vesicles fuse together, they form the cell plate, which eventually develops into the new cell wall that separates the two daughter cells. This mechanism is particularly important for plant cells, as they have rigid cell walls that must be constructed anew during each cell division.Understanding the function of the phragmoplast can also shed light on various aspects of plant development and growth. For instance, the proper formation of the cell plate is essential for maintaining the integrity of plant tissues. If the phragmoplast does not function correctly, it can lead to incomplete or improper cell wall formation, which can affect the overall health and development of the plant.Moreover, researchers have found that the phragmoplast is not only crucial for normal cell division but also plays a role in responding to environmental stresses. For example, when plants experience stress from drought or pathogens, the dynamics of the phragmoplast can change, influencing how cells divide and how effectively they can repair themselves. This adaptability highlights the importance of the phragmoplast in plant survival and resilience.In addition to its fundamental role in cell division, the study of the phragmoplast has broader implications in biotechnology and agriculture. By understanding the mechanisms behind the phragmoplast and its role in cell division, scientists can potentially manipulate these processes to improve crop yields or develop plants that can withstand harsher environmental conditions. Genetic engineering techniques may target the genes involved in the formation and function of the phragmoplast, leading to innovations in plant breeding that could benefit food security.In conclusion, the phragmoplast is a critical component of plant cell division that ensures the successful separation of daughter cells and the proper formation of cell walls. Its significance extends beyond basic biology, impacting areas such as environmental response and agricultural advancements. As our understanding of the phragmoplast deepens, we can look forward to new strategies for enhancing plant growth and resilience in an ever-changing environment.

在植物生物学的世界中，理解细胞结构对于掌握植物的生长和繁殖至关重要。其中一个在细胞分裂过程中发挥重要作用的结构是phragmoplast。phragmoplast是一个特定于植物的结构，在细胞分裂的最后阶段——细胞质分裂期间形成。它由微管和其他蛋白质组成，帮助组织细胞板的形成，细胞板是新细胞壁的前体。这个过程对于确保两个子细胞在分裂后能够正确分离并独立功能至关重要。phragmoplast表现为一个支架，引导含有细胞壁材料的囊泡到达分裂细胞的中心。当这些囊泡融合在一起时，它们形成细胞板，最终发展成将两个子细胞分开的新细胞壁。这个机制对于植物细胞尤其重要，因为它们具有刚性的细胞壁，在每次细胞分裂期间必须重新构建。理解phragmoplast的功能还可以阐明植物发育和生长的各个方面。例如，细胞板的正确形成对于保持植物组织的完整性至关重要。如果phragmoplast未能正常运作，可能导致细胞壁形成不完整或不当，从而影响植物的整体健康和发育。此外，研究人员发现phragmoplast不仅对正常的细胞分裂至关重要，还在应对环境压力方面发挥作用。例如，当植物经历干旱或病原体的压力时，phragmoplast的动态可能会发生变化，影响细胞如何分裂以及它们修复自己的能力。这种适应性突显了phragmoplast在植物生存和韧性中的重要性。除了在细胞分裂中的基本角色之外，对phragmoplast的研究在生物技术和农业中也具有更广泛的意义。通过理解phragmoplast的机制及其在细胞分裂中的作用，科学家们可以潜在地操纵这些过程，以改善作物产量或开发能够抵御更恶劣环境条件的植物。基因工程技术可以针对参与phragmoplast形成和功能的基因，从而导致植物育种的创新，这可能有利于粮食安全。总之，phragmoplast是植物细胞分裂的关键组成部分，确保子细胞的成功分离和细胞壁的正确形成。它的重要性超越了基础生物学，影响着环境响应和农业进步等领域。随着我们对phragmoplast理解的加深，我们可以期待在不断变化的环境中增强植物生长和韧性的新的策略。