dextranase

简明释义

英[ˈdɛkstrəneɪz]美[ˈdɛkstrəneɪz]

n. [生化] 葡聚糖酶

英英释义

单词用法

同义词

反义词

例句

1.The cross-linked enzyme aggregate can be applied to immobilization of proteinase, dextranase and the like.

交联酶聚合可以应用于蛋白酶类、聚糖酶类等的固定化。

2.The cross-linked enzyme aggregate can be applied to immobilization of proteinase, dextranase and the like.

交联酶聚合可以应用于蛋白酶类、聚糖酶类等的固定化。

3.In biotechnology, dextranse is used to produce low-calorie sweeteners.

在生物技术中，dextranse用于生产低热量甜味剂。

4.The enzyme dextranse plays a crucial role in breaking down polysaccharides in the digestive system.

酶dextranse在消化系统中分解多糖方面发挥着至关重要的作用。

5.Researchers are studying dextranse to find new ways to treat bacterial infections.

研究人员正在研究dextranse以寻找治疗细菌感染的新方法。

6.The fermentation process relies on dextranse to convert sugars into alcohol.

发酵过程依赖于dextranse将糖转化为酒精。

7.The presence of dextranse in the sample indicates a high level of microbial activity.

样本中存在dextranse表明微生物活动水平较高。

作文

In the realm of biochemistry, enzymes play a crucial role in facilitating various biochemical reactions that are essential for life. One such enzyme is dextranase, which specifically targets and breaks down dextran, a complex branched polysaccharide composed of glucose molecules. Understanding the function and significance of dextranase can provide insights into its applications in medical and industrial fields.Dextran is produced by certain bacteria, particularly Leuconostoc mesenteroides, and is commonly found in food products and as a component in medical treatments. It is used in various applications, including as a blood plasma substitute and in drug delivery systems. However, the presence of dextran can also lead to complications, especially during blood transfusions, where dextran can interfere with blood typing and cross-matching. This is where dextranase becomes important.Dextranase catalyzes the hydrolysis of dextran into smaller oligosaccharides and ultimately into glucose. This enzymatic activity not only helps in the digestion of dextran in biological systems but also has significant implications in clinical settings. For instance, in patients who receive dextran as part of their treatment, the administration of dextranase can help prevent potential adverse effects by breaking down excess dextran in the bloodstream. This enzymatic action minimizes the risk of allergic reactions and improves patient outcomes.In addition to its medical applications, dextranase holds promise in various industrial processes. The food industry, for example, can benefit from dextranase in the production of fermented foods. By breaking down dextran, this enzyme can enhance the fermentation process, leading to improved flavors and textures in products like yogurt and kefir. Moreover, in the brewing industry, dextranase can help reduce viscosity and improve the filtration processes, leading to higher quality beverages.Research into dextranase has also revealed its potential use in biotechnology. Genetic engineering techniques can be employed to produce recombinant forms of dextranase with enhanced stability and activity. These engineered enzymes could be utilized in various applications, ranging from waste management to biofuel production, where the breakdown of polysaccharides plays a critical role.Furthermore, the study of dextranase contributes to our understanding of enzyme kinetics and mechanisms. By exploring how dextranase interacts with its substrate, researchers can uncover valuable information about enzyme regulation and specificity. This knowledge can lead to the development of new enzymes with tailored properties for specific industrial or medical applications.In conclusion, dextranase is a vital enzyme with diverse applications in medicine and industry. Its ability to break down dextran not only aids in clinical treatments but also enhances food production and biotechnological processes. As research continues to unveil the complexities of dextranase and its potential uses, it is clear that this enzyme will remain a topic of interest in the scientific community. Understanding dextranase is not just about grasping its biochemical function; it is about recognizing its impact on health, industry, and the environment.

在生物化学领域，酶在促进生命所需的各种生化反应中发挥着至关重要的作用。其中一种酶是dextranase，它专门针对并分解右旋糖酐，这是一种由葡萄糖分子组成的复杂支链多糖。理解dextranase的功能和重要性可以为其在医学和工业领域的应用提供洞察。右旋糖酐由某些细菌产生，特别是乳酸杆菌，常见于食品产品中，并作为医疗治疗的一部分。它在各种应用中被使用，包括作为血浆替代品和药物输送系统中的成分。然而，右旋糖酐的存在也可能导致并发症，尤其是在输血过程中，右旋糖酐会干扰血型检测和交叉配对。这就是dextranase变得重要的地方。dextranase催化右旋糖酐的水解，将其分解成较小的寡糖，最终转化为葡萄糖。这种酶的活性不仅有助于生物系统中右旋糖酐的消化，而且在临床环境中具有重要意义。例如，在接受右旋糖酐作为治疗的一部分的患者中，施用dextranase可以通过分解血液中多余的右旋糖酐来帮助预防潜在的不良反应。这种酶的作用最小化了过敏反应的风险，提高了患者的治疗效果。除了其医疗应用外，dextranase在各种工业过程中的前景也很可观。例如，食品工业可以通过dextranase在发酵食品的生产中受益。通过分解右旋糖酐，这种酶可以增强发酵过程，从而改善酸奶和开菲尔等产品的风味和质地。此外，在酿酒行业中，dextranase可以帮助降低粘度，提高过滤过程，从而提高饮料的质量。对dextranase的研究还揭示了其在生物技术中的潜在用途。可以采用基因工程技术生产重组形式的dextranase，以增强其稳定性和活性。这些工程化的酶可以用于各种应用，从废物管理到生物燃料生产，其中多糖的分解发挥着关键作用。此外，对dextranase的研究有助于我们理解酶动力学和机制。通过探索dextranase如何与其底物相互作用，研究人员可以发现关于酶调节和特异性的宝贵信息。这种知识可以导致新酶的开发，具有特定工业或医疗应用所需的定制特性。总之，dextranase是一种在医学和工业中具有多样化应用的重要酶。它分解右旋糖酐的能力不仅有助于临床治疗，还增强了食品生产和生物技术过程。随着研究不断揭示dextranase的复杂性及其潜在用途，显然这种酶将继续成为科学界关注的话题。理解dextranase不仅仅是掌握其生化功能；而是认识到它对健康、工业和环境的影响。