V2EX retroelement

Retroelement

释义 Definition

逆转录元件;反转录元件:一类可移动遗传元件,通常通过“RNA 中间体 + 逆转录(reverse transcription)”的方式在基因组中复制并插入新位置(常见于逆转录转座子、某些与病毒相关的序列)。

发音 Pronunciation

/rtrolmnt/

例句 Examples

Retroelement activity can increase under cellular stress.
在细胞受到压力时,逆转录元件的活动可能会增强。

Researchers mapped retroelement insertions across the genome to understand how they influence gene regulation and evolution.
研究人员在全基因组范围内绘制逆转录元件的插入位置,以理解它们如何影响基因调控与进化。

词源 Etymology

retro-(“向后;逆向”,在生物学中常指“逆转录”)+ element(“元素;成分;(遗传)元件”)构成。该词多用于遗传学与分子生物学语境,强调这类“元件”与逆转录机制相关。

相关词 Related Words

文学与作品 Literary Works

  • Molecular Biology of the Cell(《细胞的分子生物学》)中在讨论转座元件与基因组可塑性时常涉及相关概念与术语体系。
  • Genes(Benjamin Lewin,常译《基因》)在讲解转座子、逆转录转座子与基因组结构时会使用或覆盖“retroelement/retrotransposon”等术语。
  • Genome(Matt Ridley,《基因组》)以科普方式讨论基因组中“可移动 DNA/复制性序列”等现象,与 retroelement 所指对象密切相关。
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