V2EX pyruvate

Pyruvate

释义 Definition

丙酮酸盐;丙酮酸的阴离子形式。在生物化学中,pyruvate 是糖酵解(glycolysis)的主要产物之一,也是连接糖酵解与三羧酸循环(TCA cycle, 柠檬酸循环)的关键代谢中间体。(在不同语境下也可泛指“丙酮酸的盐或酯”。)

发音 Pronunciation (IPA)

/paruvet/

例句 Examples

Pyruvate is produced at the end of glycolysis.
丙酮酸盐在糖酵解末端生成。

When oxygen is available, pyruvate enters the mitochondrion and is converted into acetylCoA, linking glycolysis to the citric acid cycle.
在有氧条件下,丙酮酸盐进入线粒体并转化为乙酰辅酶A,从而把糖酵解与柠檬酸循环连接起来。

词源 Etymology

pyruvate 来自 **pyruvic (acid)**(丙酮酸)+ 化学后缀 -ate(常用于表示“酸根/盐/酯”)。而 pyruvic 一般被解释为由 **pyro-**(与“火、加热”相关)与 uva(拉丁语“葡萄”)构成的造词,反映早期化学研究中通过加热某些与葡萄酒酸相关的物质获得该化合物的背景。

相关词 Related Words

文学与经典作品 Literary Works

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)在糖酵解、丙酮酸去向与能量代谢章节中高频出现。
  • Biochemistry by Berg, Tymoczko & Stryer(《生物化学》,常称“Stryer 生物化学”)讲解 pyruvate 与乙酰辅酶A、发酵、TCA 循环的衔接。
  • Harper’s Illustrated Biochemistry(《哈珀图解生物化学》)在临床相关代谢通路(如乳酸/丙酮酸)部分反复使用该词。
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