V2EX gamma-tubulin

Gamma-tubulin

Definition / 释义

γ-微管蛋白:一种微管蛋白家族成员,主要参与微管的成核(启动微管聚合)与微管组织中心(如中心体、纺锤体极)的结构与功能;常见于γ-微管蛋白环复合体(γ-TuRC)中。注:tubulin 家族还包括更常见的 α- 与 β-微管蛋白,用于构成微管主体。

Pronunciation / 发音(IPA)

/m tubjln/ (亦常读作 /m tubjln/)

Examples / 例句

Gamma-tubulin helps nucleate microtubules at the centrosome.
γ-微管蛋白帮助在中心体处启动微管的成核。

During mitosis, gamma-tubulin complexes organize spindle microtubules to ensure accurate chromosome segregation.
在有丝分裂过程中,γ-微管蛋白复合体组织纺锤体微管,以确保染色体准确分离。

Etymology / 词源

gamma- 来自希腊字母 γ(gamma),用于表示该蛋白是微管蛋白家族中的一种“类型/亚型”;tubulin 源于拉丁语 tubulus(“小管”)相关词根,指与“管状结构”(微管)有关的蛋白。该命名方式在生物化学中常用希腊字母区分同一家族的不同成员(如 α、β、γ)。

Related Words / 相关词汇

Notable Works / 文献与著作举例

  • Molecular Biology of the Cell(《细胞的分子生物学》) 细胞骨架/中心体章节中讨论 γ-微管蛋白与微管成核。
  • Lewin’s Genes(《基因》系列教材) 细胞分裂与纺锤体装配相关内容常提及 γ-微管蛋白复合体。
  • Oegema, K. et al. (1999). “Functional analysis of the γ-tubulin complex…”(研究论文,常被引用于 γ-微管蛋白复合体功能与结构讨论)
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