peroxidases

简明释义

英[pəˈrɒksɪdeɪzɪz]美[pəˈrɑk.sɪˌdeɪzɪz]

n. [生化]过氧化物酶（peroxidase的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.The isozymes of peroxidases, esterase and soluble proteins were also evaluated.

飞行材料的过氧化物酶活性也高于地面对照组。

2.Advances in biochemical and molecular biological studies, including enzyme structure, catalytic mechanism and gene expression and regulation of peroxidases are reviewed.

的生物化学与分子生物学研究进展作了简要评述，包括酶分子的结构、酶的催化反应机制、酶基因表达与调控等。

3.Advances in biochemical and molecular biological studies, including enzyme structure, catalytic mechanism and gene expression and regulation of peroxidases are reviewed.

的生物化学与分子生物学研究进展作了简要评述，包括酶分子的结构、酶的催化反应机制、酶基因表达与调控等。

4.Objective: To estimate the dietary selenium requirement for the maximal rates of glutathione peroxidases synthesis in rats.

目的测定大鼠谷胱苷肽过氧化物酶活性达到最高时所需的饲料硒水平。

5.This threat is diminished by families of defensive enzymes which include the superoxide dismutases, catalases and peroxidases.

而包括SOD、过氧化氢酶和过氧化物酶在内的防御酶家族会降低这种威胁。

6.Chloroperoxidase (CPO) is one of the most versatile peroxidases, which can catalyze the oxidation of a series of organic compounds.

氯过氧化物酶(CPO)是应用最广的一种过氧化物酶，能催化一系列底物的氧化。

7.In plant biology, peroxidases are essential enzymes that help in the detoxification of reactive oxygen species.

在植物生物学中，过氧化物酶是帮助去毒反应性氧种的重要酶。

8.Certain peroxidases are used in industrial processes for their ability to oxidize organic compounds.

某些过氧化物酶因其氧化有机化合物的能力而被用于工业过程。

9.In human health, peroxidases are involved in the immune response, helping to break down pathogens.

在人体健康中，过氧化物酶参与免疫反应，帮助分解病原体。

10.The activity of peroxidases can be influenced by environmental factors such as pH and temperature.

环境因素如pH和温度可以影响过氧化物酶的活性。

11.Research has shown that peroxidases play a crucial role in lignin biosynthesis.

研究表明，过氧化物酶在木质素生物合成中起着关键作用。

作文

Peroxidases are a group of enzymes that play a crucial role in various biological processes. These enzymes are known for their ability to catalyze the decomposition of hydrogen peroxide, a potentially harmful byproduct of cellular metabolism. By breaking down hydrogen peroxide into water and oxygen, peroxidases help protect cells from oxidative damage, thus maintaining cellular health and function. In plants, peroxidases are involved in processes such as lignin biosynthesis, which is essential for cell wall structure and integrity. Lignin provides rigidity to plant tissues, allowing them to withstand environmental stresses. In addition to their protective roles, peroxidases are also involved in various signaling pathways within cells. They can modulate the levels of reactive oxygen species (ROS), which are important signaling molecules in many physiological processes. For example, during stress responses, plants produce ROS to signal the activation of defense mechanisms. Peroxidases can help regulate these ROS levels, ensuring that they do not reach toxic concentrations that could harm the plant. Moreover, peroxidases have significant applications in biotechnology and medicine. They are used in various industrial processes, including the production of biofuels and the treatment of wastewater. In medicine, peroxidases are being studied for their potential use in cancer therapy, as they can selectively target cancerous cells while sparing healthy ones. This selectivity is due to the different levels of peroxidases present in normal versus cancerous tissues. Research on peroxidases continues to uncover new functions and applications for these versatile enzymes. Scientists are exploring their roles in human health, particularly in relation to diseases associated with oxidative stress, such as neurodegenerative disorders and cardiovascular diseases. Understanding how peroxidases function at a molecular level could lead to the development of novel therapeutic strategies that harness their capabilities. In conclusion, peroxidases are essential enzymes that contribute to the protection of cells against oxidative damage, play vital roles in plant physiology, and hold promise for various biotechnological and medical applications. Their ability to decompose hydrogen peroxide and regulate reactive oxygen species makes them crucial for maintaining cellular health and functionality. As research progresses, we may discover even more about the significance of peroxidases in both nature and human health, paving the way for innovative solutions to modern challenges.

过氧化物酶是一类在多种生物过程中发挥关键作用的酶。这些酶以其催化分解过氧化氢的能力而闻名，过氧化氢是细胞代谢的潜在有害副产品。通过将过氧化氢分解为水和氧气，过氧化物酶帮助保护细胞免受氧化损伤，从而维持细胞的健康和功能。在植物中，过氧化物酶参与木质素生物合成等过程，这对于细胞壁结构和完整性至关重要。木质素为植物组织提供刚性，使其能够抵御环境压力。除了保护作用外，过氧化物酶还参与细胞内的各种信号传导通路。它们可以调节活性氧（ROS）的水平，而活性氧是许多生理过程中重要的信号分子。例如，在应激反应过程中，植物产生ROS来信号激活防御机制。过氧化物酶可以帮助调节这些ROS水平，确保它们不会达到可能危害植物的毒性浓度。此外，过氧化物酶在生物技术和医学中具有重要应用。它们用于各种工业过程，包括生物燃料的生产和废水处理。在医学上，过氧化物酶正被研究用于癌症治疗，因为它们可以选择性地靶向癌细胞，同时不损害健康细胞。这种选择性是由于正常组织与癌组织中存在的过氧化物酶水平不同。对过氧化物酶的研究继续揭示这些多功能酶的新功能和应用。科学家们正在探索它们在人体健康中的作用，特别是在与氧化应激相关的疾病方面，例如神经退行性疾病和心血管疾病。理解过氧化物酶在分子水平上的功能可能会导致开发新型治疗策略，利用它们的能力。总之，过氧化物酶是必不可少的酶，有助于保护细胞免受氧化损伤，在植物生理中发挥重要作用，并在各种生物技术和医学应用中具有前景。它们分解过氧化氢和调节活性氧的能力使它们对维持细胞健康和功能至关重要。随着研究的进展，我们可能会发现更多关于过氧化物酶在自然界和人类健康中的重要性，为现代挑战提供创新解决方案。