V2EX methylation

Methylation

定义 Definition

甲基化:指在分子上引入甲基(CH)的化学过程;在生物学中常指DNA、RNA或蛋白质(如组蛋白)的甲基化,用于调控基因表达等功能。(该词也可用于一般化学反应语境。)

发音 Pronunciation (IPA)

/mθlen/

例句 Examples

Methylation can affect whether a gene is turned on or off.
甲基化会影响一个基因是否被“开启”或“关闭”。

Changes in methylation patterns across the genome have been linked to development, aging, and certain diseases.
全基因组范围内甲基化模式的变化与发育、衰老以及某些疾病有关。

词源 Etymology

methylation 来自 methyl(甲基)+ -ation(表示“过程/作用”的名词后缀)。其中 methyl 源于近代化学命名体系,与“甲基(CH)”这一基团有关;整体词义即“发生甲基引入的过程”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Molecular Biology of the Cell(Alberts 等)
  • Lewin’s Genes(现多版以 Genes 系列教材形式出版)
  • Epigenetics(C. David Allis、Thomas Jenuwein、Danny Reinberg 编)
  • The Selfish Gene(Richard Dawkins,部分版本/章节会提及基因调控与相关分子机制语境中的术语)
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