V2EX dehydrogenase

Dehydrogenase

释义 Definition

脱氢酶:一类催化“脱去氢原子/氢离子与电子”的酶,常把氢转移给辅酶(如 NAD/NADP/FAD),在细胞呼吸、发酵与多种代谢反应中非常关键。

例句 Examples

Dehydrogenase helps cells extract energy from nutrients.
脱氢酶帮助细胞从营养物质中获取能量。

Alcohol dehydrogenase converts ethanol into acetaldehyde while reducing NAD to NADH.
乙醇脱氢酶将乙醇转化为乙醛,同时把 NAD 还原为 NADH。

发音 Pronunciation (IPA)

/dihadrdnes/

词源 Etymology

de-(去除)+ hydrogen(氢)+ -ase(酶的常见后缀)构成,字面意思就是“去氢的酶”。该词用于命名一大类参与氧化还原反应、把氢从底物上“拿走并转移出去”的酶。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》):在糖酵解、三羧酸循环与呼吸链章节频繁出现(如乳酸脱氢酶、琥珀酸脱氢酶等)。
  • Biochemistry by Berg, Tymoczko & Stryer(《斯特赖尔生物化学》):讲解脱氢酶与 NAD/FAD 等辅酶在氧化还原反应中的作用。
  • Molecular Biology of the Cell(《细胞的分子生物学》):涉及线粒体代谢与能量转换时会提到多种脱氢酶体系。
  • Campbell Biology(《坎贝尔生物学》):在细胞呼吸与代谢概述部分常用“dehydrogenase”解释电子/氢的转移过程。
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