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A Yeast 2-Hybrid Screen in Batch to Compare Protein Interactions
Published on: June 6, 2018
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A Yeast 2-Hybrid Screen in Batch to Compare Protein Interactions
Tabitha A Peterson1, Mark A Stamnes1, Robert C Piper2
1Molecular Physiology and Biophysics, University of Iowa.
Journal of Visualized Experiments : Jove
|June 26, 2018
Summary
This study introduces DEEPN, a novel yeast 2-hybrid method for efficiently discovering transient and static protein interactions. DEEPN (Dynamic Enrichment for Evaluation of Protein Networks) uses high-throughput sequencing and computation for cost-effective network analysis.
Area of Science:
- Molecular Biology
- Biochemistry
- Genomics
Background:
- Traditional yeast 2-hybrid assays often miss low-affinity or transient protein interactions.
- High-throughput screening methods can be costly and infrastructure-intensive.
- Analyzing large numbers of colonies from low-stringency screens is challenging.
Purpose of the Study:
- To develop a cost-effective and efficient method for uncovering transient and static protein interactions.
- To adapt the yeast 2-hybrid assay for simultaneous analysis of multiple protein interactions.
- To enable comprehensive protein network analysis from a single screen.
Main Methods:
- Adaptation of the yeast 2-hybrid assay.
- Development of a strategy termed DEEPN (Dynamic Enrichment for Evaluation of Protein Networks).
- Incorporation of high-throughput DNA sequencing and computational analysis.
- Utilization of customized reagents and protocols.
Main Results:
- Simultaneous uncovering of dozens of transient and static protein interactions.
- Cost-effective execution of protein interaction screens.
- Facilitation of comparative analysis across different bait plasmids.
- Tracking the evolution of interacting partner populations.
Conclusions:
- DEEPN offers an accessible and efficient alternative to traditional yeast 2-hybrid screening.
- The method enables comprehensive protein network discovery.
- Customized protocols make DEEPN easy to implement.
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