V2EX acetylation

Acetylation

释义 Definition

乙酰化:一种化学修饰过程,指把乙酰基(COCH)添加到分子上(常见于蛋白质、DNA或小分子)。在生物学中,乙酰化常用于调控蛋白质功能与基因表达(如组蛋白乙酰化通常与转录活跃相关)。(该词在不同学科中也可指更广义的“引入乙酰基”的反应。)

发音 Pronunciation (IPA)

/sitlen/

例句 Examples

The acetylation of histones can make genes easier to read.
组蛋白的乙酰化会让基因更容易被“读取”(更易转录)。

Researchers measured acetylation changes after the cells were exposed to stress, linking them to altered gene expression and metabolism.
研究人员测量了细胞在应激暴露后的乙酰化变化,并将其与基因表达和代谢的改变联系起来。

词源 Etymology

acetylation 来自 acetyl(乙酰基)+ -ation(名词后缀,表示“过程/作用”)。acetyl 与拉丁语 acetum(醋)有关,因为乙酸及其衍生物(如乙酰基)的命名与“醋/酸”这一概念同源;整体字面意思就是“加入乙酰基的过程”。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Molecular Biology of the Cell(《细胞的分子生物学》):讨论染色质调控时常涉及组蛋白乙酰化。
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》):在代谢与蛋白质修饰相关章节出现。
  • Strahl, B. D., & Allis, C. D. (2000). The language of covalent histone modifications(常被称为“组蛋白密码/Histone code”相关经典论文):多处使用 acetylation 讨论表观遗传调控。
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