V2EX alpha-tubulin

Alpha-tubulin

释义 Definition

α-微管蛋白(alpha-tubulin):一种微管蛋白亚基,与 β-微管蛋白配对形成异二聚体,共同组装成细胞内的微管(microtubules)。微管参与细胞形态维持、细胞内运输、有丝分裂纺锤体形成等重要过程。(注:微管蛋白还有其他类型与同工型,此处为最常见的α-微管蛋白含义。)

发音 Pronunciation

/lf tubjln/

例句 Examples

Alpha-tubulin is a key building block of microtubules.
α-微管蛋白是微管的重要构建单位。

During mitosis, alpha-tubulin and beta-tubulin assemble into dynamic microtubules that form the spindle.
在有丝分裂过程中,α-微管蛋白与β-微管蛋白组装成动态微管,形成纺锤体。

词源 Etymology

alpha-”来自希腊字母 α(alpha),在生物化学命名中常用来区分不同亚基或类型;“tubulin”源于 tubule(小管),指这种蛋白与细胞内“管状结构”微管的形成密切相关。合起来表示“α型的微管蛋白”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Molecular Biology of the Cell(Alberts 等,《细胞的分子生物学》):在细胞骨架与微管章节中讨论α/β-微管蛋白及微管动态。
  • The Cell: A Molecular Approach(Cooper & Hausman,《细胞:分子方法》):介绍微管组成、微管蛋白二聚体与纺锤体形成。
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》):在细胞结构与蛋白质功能相关内容中涉及微管蛋白体系。
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