V2EX gene silencing

Gene Silencing

Definition / 释义

基因沉默:使某个基因的表达被显著降低或完全“关闭”的过程,从而减少或阻止该基因产物(通常是蛋白质)的产生。常见机制包括 RNA 干扰(RNAi)DNA 甲基化组蛋白修饰 等。(在不同语境下也可指实验手段造成的“基因敲低/沉默”。)

Pronunciation / 发音

/din salns/

Examples / 例句

Gene silencing can prevent harmful genes from being expressed.
基因沉默可以阻止有害基因被表达出来。

In plants, gene silencing is often studied to understand how epigenetic changes affect development and stress responses.
在植物中,人们常研究基因沉默,以理解表观遗传变化如何影响发育与应激反应。

Etymology / 词源

gene 源自希腊语 genos(“出生、起源、族类”),20 世纪初用于遗传学中指“基因”。silencing 来自 silence(“沉默、安静”),加上动名词后缀 -ing 表示“使……沉默的过程”。组合起来直译为“让基因沉默”,形象地表达“基因表达被关闭/压制”。

Related Words / 相关词汇

Literary Works / 文学作品举例

  • Bruce Alberts et al., _Molecular Biology of the Cell_(《细胞的分子生物学》):在表观遗传调控、染色质与 RNA 介导调控章节中讨论基因沉默相关概念。
  • Benjamin Lewin, _Genes_(《基因》):在基因表达调控与沉默机制(含染色质层面与 RNA 机制)中出现并解释该术语。
  • Nessa Carey, _The Epigenetics Revolution_(《表观遗传学革命》):以通俗科普方式介绍表观遗传与“基因被关闭/打开”的现象,涉及基因沉默语境。
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