V2EX nuclear pore

Nuclear Pore

定义 Definition

nuclear pore核孔;指细胞核膜(核包膜)上的小孔道,由“核孔复合体”构成,用于在细胞核与细胞质之间选择性运输RNA、蛋白质等分子。(在生物学语境中也常说 nuclear pore complex,即“核孔复合体”。)

发音 Pronunciation (IPA)

/nuklir pr/

例句 Examples

The protein enters the nucleus through a nuclear pore.
这种蛋白质通过核孔进入细胞核。

During gene expression, messenger RNA must exit the nucleus via the nuclear pore to be translated in the cytoplasm.
在基因表达过程中,信使RNA必须通过核孔离开细胞核,才能在细胞质中被翻译成蛋白质。

词源 Etymology

nuclear 来自拉丁语 nucleus(“核、核心”),引申为“与原子核/细胞核有关的”;pore 源自希腊语 poros(“通道、孔隙”)。合在一起 nuclear pore 字面意思就是“细胞核上的孔/通道”。

相关词 Related Words

文学与著作 Literary Works

  • Molecular Biology of the Cell(Alberts 等):在细胞核运输与核孔复合体章节中频繁出现 nuclear pore
  • The Cell: A Molecular Approach(Cooper & Hausman):讨论核包膜结构、核孔与分子进出细胞核机制时使用该术语。
  • Molecular Cell Biology(Lodish 等):在核-质运输(nuclear-cytoplasmic transport)相关内容中出现 nuclear pore
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