V2EX helicase

Helicase

释义 Definition

解旋酶:一种参与DNA或RNA复制、修复与转录等过程的酶,能够利用ATP提供的能量,将双链核酸“解开”,分离成单链,便于后续的复制或合成。该词在生物化学语境中最常用;在不同生物与不同通路中也有多种类型的解旋酶。

发音 Pronunciation (IPA)

/hlkes/

例句 Examples

The helicase unwinds DNA before it is copied.
解旋酶在DNA被复制之前先将其解开。

Mutations in a helicase gene can disrupt genome stability and increase the risk of disease.
解旋酶基因的突变可能破坏基因组稳定性,并增加患病风险。

词源 Etymology

helicasehelix(螺旋;指DNA双螺旋结构)+ -ase(常见的“酶”后缀)构成,字面意思就是“作用于螺旋结构的酶”。该命名方式符合生物化学中以结构/底物 + “-ase”来命名酶类的习惯。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Molecular Biology of the Cell(Alberts 等):在DNA复制章节中系统讲解解旋酶如何在复制叉处分离双链DNA。
  • Lehninger Principles of Biochemistry(Nelson & Cox):介绍ATP依赖型解旋酶在核酸代谢中的功能与机制。
  • Watson 等 Molecular Biology of the Gene:在复制与修复相关章节讨论不同家族解旋酶的作用与生物学意义。
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