Imaging of luciferase secretion from transformed Chinese hamster ovary cells.

DOI Web Site 被引用文献23件

書誌事項

公開日
1992-10-15
DOI
  • 10.1073/pnas.89.20.9584
公開者
Proceedings of the National Academy of Sciences

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説明

<jats:p>The blue luminescence characteristic of the marine ostracod crustacean Vargula hilgendorfii is from a simple, but highly specific, enzyme-substrate reaction. Light is emitted by the oxidation of Vargula luciferin (substrate) by molecular oxygen, a reaction catalyzed by luciferase. Stable transformants of Chinese hamster ovary cells carrying the Vargula luciferase gene secreted luciferase from discrete sites on the cell surface, and this secretion could be monitored in real time by the bioluminescence produced by the secreted luciferase in the presence of Vargula luciferin by using an image-intensifying technique. Addition of anti-Vargula luciferase IgG to the luminescing cells almost completely extinguished the luminescence, confirming that Vargula luciferase caused the luminescence.</jats:p>

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