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High-throughput Functional Screening using a Homemade Dual-glow Luciferase Assay
Published on: June 1, 2014
Gaussia luciferase variant for high-throughput functional screening applications.
Casey A Maguire1, Nikolaos C Deliolanis, Lisa Pike
1Molecular Neurogenetics Unit, Department of Neurology, Harvard Medical School, Boston Massachusetts 02115, USA.
Analytical Chemistry
|July 16, 2009
Summary
Researchers developed a Gaussia luciferase (Gluc) mutant with enhanced light stability and high sensitivity. This improved reporter is ideal for high-throughput screening of biological processes and therapeutic responses.
Area of Science:
- Biochemistry
- Molecular Biology
- Reporter Assays
Background:
- Gaussia luciferase (Gluc) is a widely used reporter enzyme for monitoring biological processes.
- Its secreted nature allows real-time kinetic measurements in vitro and in vivo.
- However, Gluc's short half-life limits its utility in certain applications.
Purpose of the Study:
- To develop a Gaussia luciferase mutant with improved light stability.
- To enhance its suitability for high-throughput functional screening applications.
Main Methods:
- Isolation and characterization of a Gaussia luciferase mutant.
- Assessment of light stability in the presence of detergent.
- Evaluation of sensitivity and performance in screening assays.
Main Results:
- A Gaussia luciferase mutant exhibiting significantly enhanced light stability was successfully isolated.
- The mutant retained high sensitivity, crucial for reporter assays.
- The improved properties make it suitable for high-throughput functional screening.
Conclusions:
- The novel Gluc mutant offers superior light stability and sensitivity compared to the wild-type enzyme.
- This engineered luciferase is a valuable tool for advancing high-throughput screening in various biological research areas.
