deaminization

简明释义

英[deːˌæmɪnaɪˈzeɪʃən]美[deːˌæmɪnɪˈzeʃən]

n. 去氨基（等于 deamination）

英英释义

单词用法

同义词

反义词

例句

1.In this method, the activation energy is reduced during deaminization and the deaminizating rate and the retention of zeolite crystallinity after deaminization are increased.

该方法大幅度地降低了沸石脱胺过程中的活化能，提高了脱胺速率，提高了脱胺后的沸石结晶保留度。

2.In this method, the activation energy is reduced during deaminization and the deaminizating rate and the retention of zeolite crystallinity after deaminization are increased.

该方法大幅度地降低了沸石脱胺过程中的活化能，提高了脱胺速率，提高了脱胺后的沸石结晶保留度。

3.The process of deaminization is crucial for nitrogen metabolism in the liver.

在肝脏中，脱氨基化过程对氮代谢至关重要。

4.During deaminization, amino acids lose their amine group, which can lead to energy production.

在脱氨基化过程中，氨基酸失去其氨基，这可能导致能量的产生。

5.Researchers are studying the effects of deaminization on plant growth.

研究人员正在研究脱氨基化对植物生长的影响。

6.The enzyme responsible for deaminization plays a key role in amino acid catabolism.

负责脱氨基化的酶在氨基酸分解代谢中发挥着关键作用。

7.In bacteria, deaminization helps recycle nitrogen back into the ecosystem.

在细菌中，脱氨基化有助于将氮回收回生态系统。

作文

The process of metabolism in living organisms is incredibly complex and involves various biochemical reactions that are crucial for sustaining life. One such important reaction is known as deaminization, which refers to the removal of an amino group from an amino acid or other compound. This process plays a vital role in the nitrogen metabolism of organisms, allowing them to efficiently utilize amino acids for energy production and the synthesis of other biomolecules. In essence, deaminization is a key step in the catabolism of amino acids, where the amino group (-NH2) is removed, resulting in the formation of ammonia (NH3) and a corresponding keto acid. The ammonia produced is then typically converted into urea through the urea cycle, which is excreted from the body. This conversion is critical because excessive ammonia can be toxic to cells and must be managed effectively. The significance of deaminization extends beyond mere waste management; it also facilitates the integration of amino acid metabolism with carbohydrate and lipid metabolism. For instance, the keto acids generated from deaminization can enter the Krebs cycle, contributing to ATP production, which is essential for cellular energy. This interconnectedness highlights the importance of amino acids not only as building blocks for proteins but also as vital substrates for energy metabolism. Moreover, deaminization is not limited to a single pathway or type of amino acid. Different enzymes catalyze this reaction, and the specific pathway can vary depending on the organism and the environmental conditions. In mammals, for example, the enzyme glutamate dehydrogenase plays a significant role in the deaminization of glutamate, while in other organisms, various transaminases facilitate the transfer of amino groups between different amino acids and keto acids. Understanding deaminization is crucial for several fields, including biochemistry, medicine, and nutrition. For instance, in clinical settings, abnormalities in amino acid metabolism can lead to various metabolic disorders. Conditions such as hyperammonemia arise when the deaminization process is impaired, leading to an accumulation of ammonia in the bloodstream, which can have severe neurological consequences. In the realm of nutrition, the understanding of deaminization helps inform dietary recommendations, particularly for individuals with specific metabolic needs. Athletes, for example, may require higher protein intake to support muscle repair and growth, but it is essential to consider how their bodies will handle the subsequent deaminization of these amino acids during intense physical activity. In conclusion, deaminization is a fundamental biochemical process that plays a crucial role in nitrogen metabolism, energy production, and overall metabolic health. By removing amino groups from amino acids, this process not only aids in waste management but also integrates amino acid metabolism with broader metabolic pathways. As we continue to explore the intricacies of metabolism, the study of deaminization will remain a vital area of research, shedding light on the complexities of life at a molecular level.

在生物体内，代谢过程极其复杂，涉及多种生化反应，这些反应对于维持生命至关重要。其中一个重要的反应被称为脱氨基化，指的是从氨基酸或其他化合物中去除氨基。这一过程在生物体的氮代谢中发挥着重要作用，使它们能够有效利用氨基酸进行能量生产和其他生物分子的合成。 从本质上讲，脱氨基化是氨基酸分解代谢中的一个关键步骤，在这一过程中，氨基（-NH2）被去除，形成氨（NH3）和相应的酮酸。产生的氨通常通过尿素循环转化为尿素，从而排出体外。这一转化至关重要，因为过量的氨对细胞可能是有毒的，必须有效管理。 脱氨基化的重要性不仅限于废物管理；它还促进了氨基酸代谢与碳水化合物和脂质代谢的整合。例如，从脱氨基化生成的酮酸可以进入克雷布斯循环，为ATP的产生做出贡献，而ATP是细胞能量的基础。这种相互联系突显了氨基酸不仅是蛋白质的构建块，也是能量代谢的重要底物。 此外，脱氨基化并不限于单一途径或类型的氨基酸。不同的酶催化这一反应，具体途径可能因生物体和环境条件而异。例如，在哺乳动物中，谷氨酸脱氢酶在谷氨酸的脱氨基化中起着重要作用，而在其他生物中，各种转氨酶促进不同氨基酸和酮酸之间氨基的转移。 了解脱氨基化对于生物化学、医学和营养等多个领域至关重要。例如，在临床环境中，氨基酸代谢的异常可能导致各种代谢障碍。高氨血症等疾病就是当脱氨基化过程受损时出现的，导致血液中氨的积累，这可能对神经系统产生严重后果。 在营养学领域，对脱氨基化的理解有助于制定饮食建议，特别是对于具有特定代谢需求的人群。例如，运动员可能需要更高的蛋白质摄入量来支持肌肉修复和生长，但必须考虑他们在剧烈体育活动中如何处理随之而来的氨基酸的脱氨基化。 总之，脱氨基化是一个基本的生化过程，在氮代谢、能量生产和整体代谢健康中发挥着关键作用。通过去除氨基，这一过程不仅有助于废物管理，还将氨基酸代谢与更广泛的代谢途径整合在一起。随着我们继续探索代谢的复杂性，脱氨基化的研究将仍然是一个重要的研究领域，揭示分子层面上生命的复杂性。