V2EX transmembrane

Transmembrane

释义 Definition

transmembrane(跨膜的):指穿过细胞膜或膜结构的,常用于描述蛋白质的结构域(跨膜区/跨膜螺旋)或运输、信号传导等过程。也常见作名词用法(如 transmembrane domain/segment)。

例句 Examples

The receptor has a transmembrane region that anchors it in the cell membrane.
该受体有一个跨膜区域,使其固定在细胞膜上。

Researchers found that mutations in the transmembrane domain altered the protein’s shape and weakened cell signaling.
研究人员发现跨膜结构域中的突变改变了蛋白质的形状,并削弱了细胞信号传导。

发音 Pronunciation (IPA)

/trnzmmbren/

词源 Etymology

由 **trans-**(“穿过、越过”)+ membrane(“膜”)构成,字面意思就是“穿过膜的”。在现代生物学中常用于描述蛋白质与生物膜之间的结构关系与功能定位。

相关词 Related Words

文学与经典著作 Literary Works

  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)
  • Campbell Biology(《坎贝尔生物学》)
  • NatureScience 等期刊的膜蛋白、受体与离子通道相关论文中常见该词(多用于 transmembrane domain/helix 等搭配)
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