dictyosomes

简明释义

英[ˈdɪktɪəˌsəʊm]美[ˈdɪktiəˌsom]

n. 网体，高尔基体

英英释义

单词用法

同义词

反义词

例句

1.On 15 days after an-thesis (DAA), there are many dictyosomes and vacuoles accumulating protein in cytoplasm of the outer layer endosperm cells.

荞麦开花后15天，胚乳最外层细胞的液泡中开始积累蛋白质。

2.On 15 days after an-thesis (DAA), there are many dictyosomes and vacuoles accumulating protein in cytoplasm of the outer layer endosperm cells.

荞麦开花后15天，胚乳最外层细胞的液泡中开始积累蛋白质。

3.The structure of dictyosomes is essential for their function in the cell.

dictyosomes 的结构对其在细胞中的功能至关重要。

4.Researchers studied how dictyosomes function in the secretion of polysaccharides.

研究人员研究了dictyosomes 在多糖分泌中的功能。

5.The dictyosomes are often compared to the Golgi apparatus in animal cells.

dictyosomes 通常与动物细胞中的高尔基体相比较。

6.In plant cells, dictyosomes play a crucial role in processing and packaging proteins.

在植物细胞中，dictyosomes 在处理和包装蛋白质方面起着至关重要的作用。

7.During cell division, the number of dictyosomes can increase significantly.

在细胞分裂期间，dictyosomes 的数量可能会显著增加。

作文

In the realm of cellular biology, understanding the various organelles within a cell is crucial for grasping how life functions at the microscopic level. One such organelle that plays a significant role in the processing and packaging of proteins is the dictyosomes. These structures are often referred to as the Golgi apparatus or Golgi bodies, named after the Italian scientist Camillo Golgi who first identified them in the late 19th century. The dictyosomes are composed of a series of flattened, membrane-bound sacs known as cisternae, which work together to modify, sort, and package proteins and lipids that have been synthesized in the endoplasmic reticulum.The primary function of dictyosomes is to receive proteins and lipids from the rough endoplasmic reticulum (RER). Once these molecules reach the dictyosomes, they undergo various modifications, such as glycosylation, where carbohydrates are added to proteins. This process is essential because it helps determine the destination and function of the proteins once they are released from the dictyosomes. After processing, the modified proteins are sorted into vesicles, which then transport them to their final destinations, whether it be inside the cell or outside of it.Additionally, dictyosomes play a vital role in the secretion of substances. In glandular cells, for instance, the dictyosomes are responsible for packaging hormones and enzymes that are later secreted into the bloodstream or digestive system. This secretion process is critical for maintaining homeostasis and facilitating communication between different cells and tissues within an organism.Moreover, the structure of dictyosomes is not uniform; they can vary in number and size depending on the cell type and its functional requirements. For example, cells that are highly active in secretion, such as pancreatic cells, typically contain a larger number of dictyosomes compared to less active cells. This adaptability showcases the importance of dictyosomes in meeting the metabolic demands of the cell.In conclusion, dictyosomes are indispensable organelles that contribute to the proper functioning of cells by facilitating the modification, sorting, and transport of proteins and lipids. Their ability to adapt to the needs of different cell types highlights their significance in cellular processes. Understanding the role of dictyosomes not only enhances our knowledge of cellular biology but also provides insights into the intricate networks that sustain life at the molecular level. As research continues to advance, the study of organelles like dictyosomes will undoubtedly reveal even more about the complexity of life and the mechanisms that govern it.

在细胞生物学的领域中，理解细胞内的各种细胞器对于掌握生命在微观层面的运作至关重要。其中一个在蛋白质的加工和包装中发挥重要作用的细胞器是dictyosomes。这些结构通常被称为高尔基体或高尔基小体，以意大利科学家卡米洛·高尔基的名字命名，他在19世纪末首次发现了它们。dictyosomes由一系列扁平的、膜结合的囊泡组成，称为囊泡（cisternae），它们协同工作以修饰、分类和包装在粗面内质网（RER）中合成的蛋白质和脂质。dictyosomes的主要功能是接收来自粗面内质网（RER）的蛋白质和脂质。一旦这些分子到达dictyosomes，它们会经历各种修饰，例如糖基化，即在蛋白质上添加碳水化合物。这个过程至关重要，因为它有助于确定蛋白质释放后的位置和功能。经过处理后，修饰过的蛋白质被分类到囊泡中，这些囊泡随后将它们运输到最终目的地，无论是在细胞内还是细胞外。此外，dictyosomes在物质分泌中也发挥着重要作用。例如，在腺体细胞中，dictyosomes负责包装激素和酶，这些物质随后被分泌到血液或消化系统中。这一分泌过程对维持体内平衡和促进不同细胞和组织之间的沟通至关重要。此外，dictyosomes的结构并不统一；它们的数量和大小可以根据细胞类型及其功能需求而有所不同。例如，高度活跃于分泌的细胞，如胰腺细胞，通常含有比不太活跃的细胞更多的dictyosomes。这种适应性展示了dictyosomes在满足细胞代谢需求方面的重要性。总之，dictyosomes是不可或缺的细胞器，通过促进蛋白质和脂质的修饰、分类和运输，为细胞的正常功能做出贡献。它们能够适应不同细胞类型的需求，突显了它们在细胞过程中的重要性。理解dictyosomes的作用不仅增强了我们对细胞生物学的认识，也提供了对维持生命的复杂网络的深入见解。随着研究的不断进展，对dictyosomes等细胞器的研究无疑将揭示出更多关于生命复杂性及其支配机制的信息。