V2EX recombinant dna

Recombinant DNA

定义 Definition

重组DNA:通过基因工程把来自不同来源(可来自不同物种)的DNA片段切割、拼接并组合成新的DNA分子,用于研究基因功能或生产特定蛋白质(如胰岛素)。也常简称为rDNA

发音 Pronunciation (IPA)

/rkmbnnt di.ene/

例句 Examples

Recombinant DNA is used to produce human insulin.
重组DNA被用来生产人胰岛素。

By inserting a gene into a bacterial plasmid, scientists create recombinant DNA that can be copied and expressed in large amounts.
通过将一个基因插入细菌质粒,科学家可以制造重组DNA,使其能够大量复制并表达。

词源 Etymology

recombinant 来自 recombine(重新组合),词根含义与“把分开的部分再组合起来”相关;在遗传学中指遗传物质重新组合所产生的新组合。DNAdeoxyribonucleic acid(脱氧核糖核酸)的缩写。合起来 recombinant DNA 字面意思就是“重新组合出来的DNA”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • The Double Helix(James D. Watson):涉及DNA结构与分子生物学背景,为理解重组DNA的科学语境提供重要铺垫。
  • The Selfish Gene(Richard Dawkins):讨论基因作为选择单位的思想,常与基因工程与重组DNA的社会科学语境一并被引用。
  • Jurassic Park(Michael Crichton):通俗文学中频繁提及基因工程与DNA技术(包含重组与编辑等概念),推动公众对“重组DNA”相关议题的认识。
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