V2EX chorismate

Chorismate

释义 Definition

chorismate(莽草酸途径产物:莽草酸/芳香族氨基酸生物合成中的关键中间体):一种代谢中间物,位于莽草酸途径(shikimate pathway)的末端,是合成多种重要芳香族化合物(如苯丙氨酸、酪氨酸、色氨酸以及部分叶酸、泛醌等前体)的分叉点。该词在生物化学语境中最常见;在一般英语中不常用。

例句 Examples

Chorismate is a key intermediate in the shikimate pathway.
莽草酸(途径)中,chorismate 是一个关键的中间体。

In many microorganisms and plants, chorismate is converted into precursors for aromatic amino acids through several enzyme-catalyzed steps.
在许多微生物和植物中,chorismate 会在多种酶催化步骤中被转化为芳香族氨基酸的前体物质。

发音 Pronunciation (IPA)

/krz.met/

词源 Etymology

chorismate 来自 chorismic (acid)(“莽草酸途径相关的/莽草酸衍生的”)+ 化学命名常见后缀 -ate(表示“盐/酯/某类化合物的阴离子形式”或相关化合物)。其中 chorism- 可追溯到希腊语词根,含有“分离、分岔”的意味,贴合其在代谢网络中为分支点的角色。

相关词 Related Words

文献与著作 Literary / Notable Works

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)中在芳香族氨基酸生物合成/莽草酸途径章节讨论 chorismate。
  • Biochemistry (Berg, Tymoczko & Stryer)(《斯特赖尔生物化学》)在代谢途径与酶机制相关内容中提及 chorismate 及其分支反应。
  • Biochemistry (Voet & Voet)(《沃特生物化学》)在植物与微生物代谢、芳香族化合物生物合成部分出现 chorismate。
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