V2EX intronic

Intronic

定义 Definition

intronic(形容词):与内含子(intron)有关的;位于基因的内含子区域内的。常用于分子生物学/遗传学语境,如 intronic mutation/variant(内含子突变/变异)、intronic sequence(内含子序列)。
(也可广义指“发生在内含子中的”。)

发音 Pronunciation

/ntrnk/(美式常见)
/ntrnk/(英式常见)

例句 Examples

Intronic variants can affect how a gene is spliced.
内含子变异可能会影响基因的剪接方式。

Although the mutation is intronic, it disrupts a splice site and leads to an abnormal protein product.
尽管该突变位于内含子中,但它破坏了剪接位点,从而导致异常的蛋白产物。

词源 Etymology

intronic 来自 intron(内含子)+ -ic(形容词后缀,表示“……的”)。而 intron 是 20 世纪遗传学中为描述“在转录后会被剪接去除、但位于基因内部的片段”而形成的术语(与 exon 外显子相对)。

相关词 Related Words

文献与作品 Notable Works

  • NatureScienceCell 等期刊的大量遗传学与转录组学论文中常出现 intronic(例如讨论 intronic variants 与剪接调控)。
  • 经典教材如 Molecular Biology of the Cell(Alberts 等)与 Lewin’s GENES 系列在介绍真核基因结构与剪接机制时常使用该词。
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