ectoenzyme
简明释义
英[/ˌɛktoʊˈɛnzaɪm/]美[/ˌɛktoʊˈɛnzaɪm/]
n. 胞外酶
英英释义
Ectoenzyme refers to enzymes that are located on the outer surface of a cell membrane and are involved in the breakdown of substrates outside the cell. | 外酶指的是位于细胞膜外表面的酶,参与细胞外基质的底物分解。 |
单词用法
同义词
反义词
例句
1.On basis of the advanced study of bio-regeneration process, it is thought that ectoenzyme hypothesis does not come into existence in this system.
在深入研究生物再生过程的基础上,认为胞外酶假说在本研究体系中不成立。
2.On basis of the advanced study of bio-regeneration process, it is thought that ectoenzyme hypothesis does not come into existence in this system.
在深入研究生物再生过程的基础上,认为胞外酶假说在本研究体系中不成立。
3.The biological characteristics and ectoenzyme activities of 4 strains of A. mellea were studied.
对蜜环菌4个不同来源的菌株生物学特性及胞外酶活性变化进行了研究。
4.The ectoenzyme 外酶 secreted by fungi helps decompose organic matter in the forest.
真菌分泌的外酶有助于分解森林中的有机物质。
5.In the lab, we measured the activity of the ectoenzyme 外酶 to assess its effectiveness in bioremediation.
在实验室中,我们测量了外酶的活性,以评估其在生物修复中的有效性。
6.The bacterial strain produces an ectoenzyme 外酶 that breaks down complex carbohydrates in the soil.
这种细菌株产生一种
7.The ectoenzyme 外酶 is essential for the breakdown of pollutants in wastewater treatment processes.
在废水处理过程中,外酶对于污染物的分解至关重要。
8.Researchers discovered that the ectoenzyme 外酶 plays a crucial role in nutrient cycling in aquatic ecosystems.
研究人员发现,外酶在水生生态系统的营养循环中起着至关重要的作用。
作文
In the fascinating world of biochemistry, enzymes play a crucial role in facilitating various biochemical reactions. Among the myriad types of enzymes, one category that stands out is the ectoenzyme. The term ectoenzyme refers to enzymes that are located on the external surface of the cell membrane or are secreted into the extracellular space. These enzymes are pivotal for several biological processes, including digestion, nutrient absorption, and cell signaling.Understanding the function of ectoenzymes can provide insights into how cells interact with their environment. For instance, in the human digestive system, ectoenzymes such as amylase and lipase are secreted by salivary glands and the pancreas, respectively. These enzymes break down carbohydrates and fats outside the cells, allowing for easier absorption of nutrients into the bloodstream. This process highlights the importance of ectoenzymes in ensuring that our bodies receive the necessary nutrients for energy and growth.Moreover, ectoenzymes also play a significant role in cellular communication. They can modify signaling molecules in the extracellular matrix, thereby influencing various physiological processes. For example, ectoenzymes like ecto-nucleotide triphosphate diphosphohydrolase (NTPDase) regulate the levels of ATP, a critical signaling molecule, in the extracellular space. By controlling ATP concentrations, ectoenzymes can affect how cells respond to stimuli, such as inflammation or injury.The study of ectoenzymes extends beyond human biology; they are found in various organisms, from bacteria to plants. In plants, ectoenzymes are involved in nutrient uptake from the soil. For instance, certain plant roots secrete ectoenzymes that break down organic matter in the soil, making nutrients more accessible. This symbiotic relationship between plants and soil microorganisms is essential for maintaining healthy ecosystems.Furthermore, the presence of ectoenzymes in pathogens has implications for disease mechanisms. Some bacteria secrete ectoenzymes that degrade host tissues or evade the immune response, facilitating infection. Understanding these mechanisms can lead to the development of novel therapeutic strategies aimed at inhibiting the activity of harmful ectoenzymes, thus preventing the progression of diseases.In conclusion, ectoenzymes are vital components of biological systems, serving various functions that are crucial for life. From aiding in digestion to regulating cellular communication and influencing ecological interactions, the significance of ectoenzymes cannot be overstated. As research continues to uncover the complexities of these enzymes, we gain a deeper appreciation for their roles in health, disease, and the environment. The exploration of ectoenzymes opens new avenues for scientific inquiry and potential therapeutic applications, making them a captivating topic within the field of biochemistry.
在生物化学的迷人世界中,酶在促进各种生化反应中发挥着至关重要的作用。在众多类型的酶中,有一类酶尤为突出,即外部酶。术语外部酶指的是位于细胞膜外部表面或分泌到细胞外空间的酶。这些酶对于多种生物过程至关重要,包括消化、营养吸收和细胞信号传导。理解外部酶的功能可以提供关于细胞如何与环境相互作用的见解。例如,在人类消化系统中,像淀粉酶和脂肪酶这样的外部酶由唾液腺和胰腺分泌。这些酶在细胞外分解碳水化合物和脂肪,使营养物质更容易被吸收进入血液。这一过程突显了外部酶在确保我们身体获得能量和生长所需营养方面的重要性。此外,外部酶在细胞通信中也扮演着重要角色。它们可以修饰细胞外基质中的信号分子,从而影响多种生理过程。例如,外部酶如外核苷酸三磷酸二磷酸水解酶(NTPDase)调节细胞外ATP的水平,而ATP是一种关键的信号分子。通过控制ATP浓度,外部酶可以影响细胞对刺激的反应,如炎症或损伤。对外部酶的研究不仅限于人类生物学;它们在从细菌到植物的各种生物中均有发现。在植物中,外部酶参与土壤中的营养物质吸收。例如,某些植物根系分泌外部酶,以分解土壤中的有机物,使营养物质更易获取。这种植物与土壤微生物之间的共生关系对于维持健康的生态系统至关重要。此外,病原体中存在的外部酶对疾病机制有重要影响。一些细菌分泌外部酶,以降解宿主组织或逃避免疫反应,从而促进感染。了解这些机制可以导致开发新的治疗策略,旨在抑制有害外部酶的活性,从而防止疾病的发展。总之,外部酶是生物系统的重要组成部分,承担着对生命至关重要的各种功能。从帮助消化到调节细胞通信和影响生态相互作用,外部酶的重要性不容小觑。随着研究不断揭示这些酶的复杂性,我们对它们在健康、疾病和环境中的作用有了更深入的认识。对外部酶的探索为科学研究和潜在治疗应用开辟了新途径,使其成为生物化学领域一个引人入胜的话题。