V2EX luciferase

Luciferase

释义 Definition

荧光素酶/萤光素酶:一种酶,能催化“荧光素(luciferin)”发生发光反应,常见于萤火虫、某些海洋生物和细菌的生物发光过程中;在生物医学研究中也常作为报告基因(reporter)用于检测基因表达或细胞活动。(该词主要用于生物化学与分子生物学语境。)

发音 Pronunciation

/lusfres/

例句 Examples

Fireflies use luciferase to glow at night.
萤火虫在夜晚发光是因为它们使用荧光素酶。

To measure gene activity, the scientists linked a luciferase reporter to the promoter and tracked changes in light output over time.
为了测量基因活性,科学家将荧光素酶报告基因连接到启动子上,并随时间追踪发光强度的变化。

词源 Etymology

luciferaselucifer(拉丁语 lux“光”+ ferre“携带”,意为“带来光的人/物”)与生物化学中常见的酶后缀 -ase 组合而成,字面意思接近“产生光的酶”。现代科学命名中,**-ase**通常表示“某类酶”。

相关词 Related Words

文学与作品 Literary Works

  • 《Molecular Biology of the Cell》(Alberts 等):在报告基因与细胞实验方法相关章节中常提到 luciferase 作为经典发光检测工具。
  • 《Molecular Cloning: A Laboratory Manual》(Sambrook & Russell):实验操作与载体/报告系统部分常出现 luciferase reporter assay 等用法。
  • 《Biochemistry》(Berg, Tymoczko & Stryer 等教材):在酶学与生物发光实例中会讨论 luciferase/luciferin 体系。
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