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Competitive Genomic Screens of Barcoded Yeast Libraries
Published on: August 11, 2011
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Optimized single-cell gates for yeast display screening.
Xiaoli Pan1,2,3, Matheus O de Souza1,2,3, Francisco M Figueiras1,2
1The Ragon Institute of Mass General, MIT, and Harvard, 600 Main St, Cambridge, MA 02139, USA.
Protein Engineering, Design & Selection : PEDS
|December 12, 2024
Summary
Optimizing yeast display gating improves single-cell selection for antibody discovery and protein engineering. This flow cytometry strategy enhances the efficiency and robustness of screening gene libraries in yeast.
Area of Science:
- Biotechnology
- Molecular Biology
- Protein Engineering
Background:
- Yeast display is crucial for antibody discovery and protein engineering.
- Fluorescence-activated cell sorting (FACS) enables precise screening of yeast gene libraries.
- Variations in yeast cell size complicate single-cell gating for FACS.
Purpose of the Study:
- To analyze yeast display gating options for flow cytometry.
- To present an optimized strategy for single-cell yeast selection.
- To enhance the efficiency and robustness of yeast display studies.
Main Methods:
- Detailed analysis of various yeast display gating strategies.
- Development and implementation of an optimized single-cell gating protocol.
- Utilizing flow cytometry for high-throughput screening.
Main Results:
- Identified challenges in determining single-cell gates due to yeast cell size distribution.
- Presented an optimized gating strategy for precise single-cell selection.
- Demonstrated improved robustness and efficiency in yeast display screening.
Conclusions:
- Optimized single-cell gating strategies are essential for successful yeast display.
- The developed method supports high-efficiency antibody discovery and protein engineering.
- This approach facilitates multi-parameter selection of protein phenotypes in yeast.
