V2EX nucleoside

Nucleoside

释义 Definition

核苷:由含氮碱基(如腺嘌呤、鸟嘌呤、胞嘧啶、尿嘧啶等)与一种(核糖或脱氧核糖)通过糖苷键结合形成的分子。核苷不含磷酸基团;当核苷连接一个或多个磷酸基团后称为核苷酸(nucleotide)。在生物体内,核苷是核酸代谢与某些药物(如抗病毒药)的重要基础结构。

发音 Pronunciation

/nukliosad/

例句 Examples

Nucleosides are building blocks used to make nucleotides.
核苷是用来合成核苷酸的基本构件。

Some antiviral drugs are nucleoside analogs that interfere with viral DNA or RNA replication.
一些抗病毒药物是核苷类似物,会干扰病毒 DNA 或 RNA 的复制过程。

词源 Etymology

nucleoside 由 **nucleo-**(与“细胞核/核”相关,源自拉丁语 nucleus,意为“核、核心”)与 -side(在化学命名中常用于表示某类化合物/衍生物)构成,整体指“与核相关的一类糖-碱基化合物”。该词多用于生物化学语境。

相关词 Related Words

文献与作品 Literary Works

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)
  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Biochemistry(Berg, Tymoczko & Stryer,《生物化学》)
  • Watson & Crick(1953)等 DNA 结构相关经典论文及后续核酸化学文献中常见该术语
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