V2EX rrna

RRNA

定义 Definition

rRNAribosomal RNA(核糖体RNA) 的缩写,指构成核糖体并参与蛋白质合成的RNA分子。它既起到结构支架作用,也参与翻译过程中的关键功能(如帮助tRNA与mRNA正确配对、催化肽键形成)。在许多物种中,rRNA基因常用于系统发育与微生物鉴定(如16S/18S rRNA)。

发音 Pronunciation (IPA)

/r r n e/

例句 Examples

rRNA is a major component of ribosomes.
rRNA 是核糖体的重要组成部分。

Researchers compared 16S rRNA sequences to identify bacteria in the water sample.
研究人员比较了 16S rRNA 序列,以鉴定水样中的细菌。

词源 Etymology

rRNA 来自英语短语 ribosomal RNA 的首字母缩写:r(ribosomal,核糖体的)+ RNA(ribonucleic acid,核糖核酸)。该缩写在分子生物学文献中极为常见,便于在实验与论文中快速指代“核糖体RNA”。

相关词 Related Words

文学与典籍作品 Notable Works

  • Molecular Biology of the Cell(《细胞的分子生物学》)中在“翻译/核糖体结构与功能”相关章节频繁出现 rRNA
  • Molecular Cell Biology(《分子细胞生物学》)在“核糖体生物发生与蛋白质合成”部分系统讨论 rRNA
  • Watson 等 Molecular Biology of the Gene(《基因的分子生物学》)在“RNA与翻译机制”相关章节使用 rRNA 术语。
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