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How to Fabricate Functional Artificial Luciferases for Bioassays
1Research Institute for Environmental Management Technology, National Institute of Advanced Industrial Science and Technology (AIST), 16-1 Onogawa, Tsukuba, Ibaraki, 305-8569, Japan. kimu-sb@aist.go.jp.
Methods in Molecular Biology (Clifton, N.J.)
|July 19, 2016
Summary
Researchers created artificial luciferases (ALucs) from copepod sequences, yielding unique, stable, and bright bioluminescent tools for bioassays like live cell imaging and antibody tagging.
Area of Science:
- Biochemistry
- Molecular Biology
- Biotechnology
Background:
- Luciferases are enzymes crucial for bioluminescence, widely used in bioassays.
- Existing luciferases have limitations in stability and optical properties.
- Copepod luciferases offer unique structural and functional characteristics.
Purpose of the Study:
- To develop novel artificial luciferases (ALucs) with enhanced properties.
- To create ALucs with unique phylogenetic identities distinct from natural copepod luciferases.
- To provide a protocol for fabricating ALucs with designed optical properties and functionalities.
Main Methods:
- Extraction of consensus amino acids from aligned copepod luciferase sequences.
- Bioinformatic analysis to ensure unique sequential identities.
- Characterization of ALucs for heat stability and optical intensity.
Main Results:
- Successfully fabricated artificial luciferases (ALucs) with unique sequences.
- Demonstrated that some ALucs exhibit enhanced heat stability.
- Observed strong and prolonged optical intensities in the fabricated ALucs.
- Confirmed phylogenetic distinctiveness from existing copepod luciferases.
Conclusions:
- Artificial luciferases (ALucs) can be successfully fabricated with tailored properties.
- These novel ALucs offer improved stability and optical performance for bioassays.
- ALucs are versatile tools applicable to live cell imaging, probes, and antibody tagging.
