V2EX oxaloacetate

Oxaloacetate

释义 Definition

草酰乙酸:一种四碳二羧酸,是细胞代谢中的关键中间体;在三羧酸循环(TCA/Krebs 循环)中与乙酰辅酶A缩合生成柠檬酸,也参与糖异生等过程。(在生物化学语境中最常见;在其他领域也可能有更专业的用法。)

发音 Pronunciation (IPA)

/kslostet/

例句 Examples

Oxaloacetate combines with acetyl-CoA to form citrate.
草酰乙酸与乙酰辅酶A结合生成柠檬酸。

When oxaloacetate is depleted, the TCA cycle slows and cells may shift metabolism toward alternative pathways.
当草酰乙酸不足时,三羧酸循环会减慢,细胞可能把代谢转向其他替代途径。

词源 Etymology

oxaloacetate 由 **oxalo-**(与“草酸/oxalic”相关)和 acetate(“乙酸盐/醋酸根”)构成,字面意思可理解为“与草酸和乙酸结构特征相关的化合物名称”。在命名上反映了其化学结构与相关基团的联系。

相关词 Related Words

文学与经典著作中的用例 Literary & Notable Works

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》):在三羧酸循环、补充反应(anaplerotic reactions)等章节多次出现 oxaloacetate
  • Biochemistry by Berg, Tymoczko & Stryer(《斯特赖尔生物化学》):用于讲解柠檬酸合成酶反应与代谢调控时频繁使用该词。
  • Voet & Voet Biochemistry(《福特生物化学》):在TCA循环机制、能量代谢网络的叙述中多处出现。
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