V2EX utr

UTR

定义 Definition

UTRuntranslated region 的缩写,中文常译为非翻译区/非翻译区域:指 mRNA(信使RNA)两端不被翻译成蛋白质的片段,主要包括 5′ UTR3′ UTR。它们常参与调控翻译效率、mRNA稳定性与定位等。(在其他领域里,UTR 也可能指别的缩写,例如网球评分系统等。)

发音 Pronunciation (IPA)

/ju ti r/

例句 Examples

The mutation is located in the 3′ UTR of the gene.
该突变位于该基因的 3′ 非翻译区(3′ UTR)。

Although it does not change the protein sequence, a variant in the 5′ UTR can affect translation by altering ribosome binding.
尽管它不改变蛋白质序列,5′ 非翻译区(5′ UTR)中的变异仍可能通过改变核糖体结合而影响翻译过程。

词源 Etymology

UTR 来自分子生物学术语 untranslated region(“未被翻译的区域”)的首字母缩写。随着对基因表达调控研究的深入,科学写作中常用 5′ UTR/3′ UTR 来指代 mRNA 两端的调控性序列区域。

相关词 Related Words

文学与名著用例 Literary Works

  • Molecular Biology of the Cell(Alberts 等)中在讨论 mRNA 结构与翻译调控时会使用 UTR
  • Molecular Biology of the Gene(Watson 等)在基因表达与转录后调控章节中常出现 5′ UTR/3′ UTR
  • Genes(Benjamin Lewin)在讲解转录本结构与调控元件时也会出现 UTR
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