V2EX reverse transcription

Reverse Transcription

定义 Definition

逆转录:在分子生物学中,指以 RNA 为模板合成 DNA 的过程,通常由 逆转录酶(reverse transcriptase) 催化。它在逆转录病毒(如 HIV)的复制中非常关键,也常用于实验技术(如将 mRNA 转成 cDNA 以便 PCR 或测序)。

例句 Examples

Reverse transcription converts RNA into DNA.
逆转录把 RNA 转换成 DNA。

After extracting total RNA, the researchers performed reverse transcription to generate cDNA for quantitative PCR analysis.
提取总 RNA 后,研究人员进行了逆转录以生成 cDNA,用于定量 PCR 分析。

发音 Pronunciation

/rvs trnskrpn/

词源 Etymology

reverse(反向的) + transcription(转录) 构成。通常的“转录”是 DNA → RNA;而“逆转录”强调方向相反,即 RNA → DNA。该概念因对逆转录病毒机制的研究而广为人知,20 世纪 70 年代相关发现推动了现代分子生物学与病毒学的发展。

相关词 Related Words

文学/著作中的用例 Literary Works

  • Molecular Biology of the Cell(Alberts 等):在基因表达与病毒章节中讨论逆转录与逆转录病毒。
  • Lehninger Principles of Biochemistry:在核酸代谢与信息流章节中介绍逆转录与逆转录酶。
  • Howard Temin & Satoshi Mizutani (1970) 论文(Nature):提出 RNA 肿瘤病毒中存在 DNA 聚合酶活性,与逆转录相关。
  • David Baltimore (1970) 论文(Nature):报道逆转录酶活性,奠定“逆转录”概念的经典文献。
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