V2EX cytidine

Cytidine

释义 Definition

胞苷:一种核苷,由含氮碱基胞嘧啶(cytosine)核糖(ribose)结合而成。它是 RNA 及相关代谢途径中的重要组成单位;与磷酸基团结合后可形成胞苷酸(CMP)等核苷酸。(在 DNA 中对应的核苷通常讨论为脱氧胞苷 deoxycytidine。)

发音 Pronunciation (IPA)

/satdin/

例句 Examples

Cytidine is a building block of RNA.
胞苷是 RNA 的组成“积木”之一。

In the lab, cytidine analogs are often used to study how RNA is synthesized and modified in cells.
在实验室里,胞苷的类似物常用于研究细胞如何合成并修饰 RNA。

词源 Etymology

cytidine 来自 cytosine(胞嘧啶)+ -idine(常用于核苷名称的后缀)。意思直观地表示“由胞嘧啶形成的核苷”。该命名体系与 adenosine(腺苷)guanosine(鸟苷)uridine(尿苷)等一致。

相关词 Related Words

文学与典籍 Literary Works

  • Molecular Biology of the Cell(《细胞的分子生物学》)中在核酸组成与代谢章节会讨论胞苷/核苷相关概念。
  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)在核苷、核苷酸与 RNA 代谢部分会出现 cytidine。
  • Molecular Biology of the Gene(《基因的分子生物学》)在讲解核酸结构与合成时会使用该术语。
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