V2EX cataplerotic

Cataplerotic

定义 Definition

cataplerotic(形容词):指“排空/输出三羧酸循环(TCA/柠檬酸循环)中间产物的”代谢过程或反应,即把循环中的中间体“抽走”用于其他合成途径(与 anaplerotic“补充循环中间体的”相对)。该词主要用于生物化学与代谢学语境。

发音 Pronunciation (IPA)

/ktplrtk/

例句 Examples

Cataplerotic reactions move TCA intermediates out of the cycle for biosynthesis.
分解补充式(cataplerotic)反应会把三羧酸循环的中间产物输出,用于生物合成。

During fasting, the balance between anaplerotic and cataplerotic flux helps regulate energy production and glucose synthesis.
在禁食期间,补充式(anaplerotic)与排空式(cataplerotic)的代谢通量平衡,有助于调控能量产生与糖异生。

词源 Etymology

该词与名词 cataplerosis(排空三羧酸循环中间体)相关,构词上常解释为:**cata-**(向下、向外)+ 与“填充/充满”相关的词根(与 anaplerotic 同源体系中形成的对立概念)。整体用来表达“把循环中间体从系统中带走/输出”的含义。

相关词 Related Words

文献与作品 Notable Works

  • Lehninger Principles of Biochemistry(常在讨论三羧酸循环通量、补充/排空反应时使用相关术语)
  • Harper’s Illustrated Biochemistry(代谢整合章节中常出现 anaplerotic/cataplerotic 对照概念)
  • Biochemistry by Berg, Tymoczko & Stryer(在能量代谢与中间体分流用途的叙述中可见该术语或相关概念)
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