V2EX deacetylation

Deacetylation

定义 Definition

去乙酰化:指从分子(常见于蛋白质或多糖等生物大分子)上去除乙酰基(acetyl group)的化学/生物化学过程。生物学中常见的是组蛋白去乙酰化,会影响染色质结构与基因表达。(该词在不同领域也可指一般性的“脱去乙酰基”反应。)

发音 Pronunciation (IPA)

/disitlen/

例句 Examples

Deacetylation can change how a protein works.
去乙酰化会改变蛋白质的功能方式。

In many cells, histone deacetylation tightens chromatin structure and can reduce gene expression.
在许多细胞中,组蛋白去乙酰化会使染色质结构更紧密,并可能降低基因表达。

词源 Etymology

**de-**(表示“去除、反向”)+ acetyl(乙酰基)+ -ation(表示“过程/作用”)。字面意思就是“去除乙酰基的过程”。

相关词 Related Words

文学与经典著作 Literary Works

  • Molecular Biology of the Cell(Alberts 等):在表观遗传与染色质调控章节中讨论组蛋白乙酰化/去乙酰化。
  • Lehninger Principles of Biochemistry(Nelson & Cox):在蛋白质修饰与代谢调控相关内容中涉及去乙酰化概念。
  • The Epigenetics Revolution(Nessa Carey):面向大众科普,提到组蛋白修饰(包括去乙酰化)对基因表达的影响。
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