V2EX rna splicing

RNA Splicing

释义 Definition

RNA splicing(RNA剪接):一种发生在真核生物细胞中的RNA加工过程,主要指将前体mRNA(pre-mRNA)中的内含子(introns)切除,并把外显子(exons)连接起来,形成成熟mRNA,以便后续翻译成蛋白质。(该术语在更广义上也可用于描述某些非编码RNA的剪接加工。)

例句 Examples

RNA splicing removes introns from pre-mRNA.
RNA剪接会把前体mRNA中的内含子去除。

Alternative RNA splicing allows one gene to produce multiple protein variants, contributing to tissue-specific functions and disease risk.
可变RNA剪接使同一个基因能够产生多种蛋白质变体,从而影响组织特异性功能并与疾病风险相关。

发音 Pronunciation (IPA)

/r en e splais/

词源 Etymology

splicing 原意是“把绳索接起来、拼接”,来自航海与工艺语境中的“连接/接合”。分子生物学借用了这个形象的比喻:先“剪掉”RNA中不需要的片段(内含子),再把保留下来的片段(外显子)“拼接”成连续的信息序列,因此称为 RNA splicing

相关词 Related Words

文学与经典著作中的用例 Literary / Notable Works

  • **Bruce Alberts et al.**,《Molecular Biology of the Cell》(《细胞的分子生物学》):在“RNA加工/剪接体(spliceosome)”章节系统讲解RNA splicing与可变剪接。
  • **James D. Watson et al.**,《Molecular Biology of the Gene》(《基因的分子生物学》):讨论真核基因结构、内含子/外显子与RNA splicing的机制与意义。
  • **Harvey Lodish et al.**,《Molecular Cell Biology》(《分子细胞生物学》):在基因表达调控部分多处使用RNA splicing,并结合疾病相关的剪接异常案例。
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