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The split luciferase complementation assay.

Naohiro Kato1, Jason Jones

  • 1Department of Biological Sciences, Louisiana State University, Baton Rouge, LA, USA.

Methods in Molecular Biology (Clifton, N.J.)
|August 25, 2010
PubMed
Summary
This summary is machine-generated.

This protocol details a split luciferase assay for studying protein interactions in Arabidopsis protoplasts. It enables large-scale detection of protein association and dissociation using luminescence measurements.

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Area of Science:

  • Plant molecular biology
  • Biochemistry
  • Cell biology

Background:

  • Understanding protein-protein interactions is crucial for elucidating cellular mechanisms.
  • High-throughput methods are needed to study these interactions efficiently.

Purpose of the Study:

  • To describe a split luciferase complementation assay for studying protein-protein interactions.
  • To enable large-scale analysis of protein association and dissociation in Arabidopsis protoplasts.

Main Methods:

  • Utilizes split Renilla luciferase fragments fused to bait and prey proteins.
  • Transiently expresses fusion proteins in Arabidopsis protoplasts.
  • Measures reconstituted luciferase activity via luminescence in 96-well plates.
  • Quantifies bait protein levels using Western blotting.

Main Results:

  • Demonstrates a functional split luciferase assay for protein interaction studies.
  • Successfully measures luminescence correlating with protein-protein interactions.
  • Shows capacity for large-scale screening of protein associations and dissociations.

Conclusions:

  • The described assay is a powerful tool for large-scale protein-protein interaction studies in plants.
  • This method allows for the detection of both association and dissociation events.
  • Applicable to various research areas requiring high-throughput interaction analysis.