V2EX intergenic region

Intergenic Region

定义 Definition

基因间区(基因间区域):指基因组中位于两个基因之间、不属于任何一个基因编码序列的DNA片段。它常包含调控元件(如增强子、沉默子、绝缘子等)、结构性序列,或被转录为非编码RNA;并非都“没有功能”。(该术语也可在不同物种与注释标准下略有差异。)

发音 Pronunciation (IPA)

/ntrdnk ridn/

例句 Examples

The mutation was found in an intergenic region, not in a protein-coding gene.
该突变位于基因间区,而不在蛋白质编码基因中。

Although once considered “junk,” some intergenic regions contain enhancers that strongly influence gene expression.
尽管曾被认为是“垃圾”,一些基因间区却包含增强子,能显著影响基因表达。

词源 Etymology

inter-(拉丁语,意为“在……之间”)+ genic(来自 gene “基因”,表示“与基因相关的”)组合成 intergenic“基因之间的”;region 来自拉丁语 regio“区域、范围”。整体字面义即“基因之间的区域”。

相关词 Rlated Words

文献与作品 Literary Works

  • Molecular Biology of the Gene(Watson 等):讨论基因结构与调控时常涉及基因间区与调控元件。
  • Genomes(T. A. Brown):在基因组组织与注释章节中使用并解释 intergenic region。
  • Molecular Cell Biology(Lodish 等):在真核基因调控与增强子相关内容中常出现该术语。
  • ENCODE 项目论文(如 Nature 2012 系列):在功能基因组学研究中频繁使用“intergenic region”描述非编码与调控相关区段。
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