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Yeast Signaling

Yeast Signaling

Yeasts are single-celled organisms, but unlike bacteria, they are eukaryotes (cells with a nucleus). Cell signaling in yeast is similar to signaling in other eukaryotic cells. A ligand, such as a protein or a small molecule released from a yeast cell, attaches to a receptor on the cell surface. The binding stimulates second-messenger kinases to activate or inactivate transcription factors that further regulate gene expression. Many of the yeast intracellular signaling cascades have similar...

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Updated: Jul 11, 2026

Protein Engineering by Yeast Surface Display

Protein Engineering by Yeast Surface Display

Published on: November 29, 2024

Yeast surface display for protein engineering and characterization.

S Annie Gai¹, K Dane Wittrup

¹Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Room E19-563, Cambridge, MA 02139, USA.

Current Opinion in Structural Biology

|September 18, 2007

Summary

Yeast surface display engineers proteins for diverse applications. This method allows for rapid analysis and screening of protein libraries, advancing protein characterization and interaction studies.

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Protein Engineering by Yeast Surface Display

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Area of Science:

Biotechnology and Molecular Engineering
Protein Engineering and Display Technologies

Background:

Yeast surface display is a powerful platform for protein engineering.
It enables the modification of protein properties for various applications.

Purpose of the Study:

To highlight the versatility and advancements in yeast surface display technology.
To showcase its application in protein library analysis, screening, and characterization.

Main Methods:

Utilizing soluble ligand labeling for quantitative analysis via flow cytometry.
Employing cell-surface selections for screening diverse binding targets.
Applying yeast surface display for detailed protein characterization, including epitope mapping.

Main Results:

Demonstrated rapid and quantitative analysis of yeast-displayed libraries.
Enabled effective screening of libraries against insoluble and uncharacterized targets.
Advanced protein characterization by mapping functional epitopes in protein-protein interactions.

Conclusions:

Yeast surface display is a versatile and advancing technology for protein engineering.
It offers robust methods for library analysis, screening, and detailed protein characterization.
This technology significantly contributes to understanding protein functions and interactions.