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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: May 4, 2026

Expression of Recombinant Proteins in the Methylotrophic Yeast Pichia pastoris

Expression of Recombinant Proteins in the Methylotrophic Yeast Pichia pastoris

Published on: February 25, 2010

Protein expression-yeast.

Klaus H Nielsen¹

¹Department of Molecular Biology, Aarhus University, Aarhus, Denmark.

Methods in Enzymology

|January 16, 2014

Summary

This summary is machine-generated.

Budding yeast Saccharomyces cerevisiae offers an efficient, cost-effective system for recombinant eukaryotic protein expression and post-translational modification. This guide details vector and tag selection for optimizing protein production, using yeast eIF3 as an example.

Keywords:

Growth of yeast cells High-pressure homogenizer (HPH)Housekeeping promoter Lysis of yeast cells Protein expression-yeast Purification of protein Tobacco etch virus (TEV)

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Last Updated: May 4, 2026

Expression of Recombinant Proteins in the Methylotrophic Yeast Pichia pastoris

Expression of Recombinant Proteins in the Methylotrophic Yeast Pichia pastoris

Published on: February 25, 2010

Protein Engineering by Yeast Surface Display

Protein Engineering by Yeast Surface Display

Published on: November 29, 2024

Expression, Purification, and Liposome Binding of Budding Yeast SNX-BAR Heterodimers

Expression, Purification, and Liposome Binding of Budding Yeast SNX-BAR Heterodimers

Published on: December 6, 2019

Area of Science:

Molecular Biology
Biotechnology
Protein Expression Systems

Background:

Yeast, particularly Saccharomyces cerevisiae, is a well-established system for recombinant protein production.
It allows for genetic manipulation to optimize expression of specific proteins.
Yeast can perform post-translational modifications often absent in bacterial systems.

Purpose of the Study:

To provide an overview of yeast expression systems for recombinant eukaryotic proteins.
To guide the selection of appropriate vectors and tags for protein expression in Saccharomyces cerevisiae.
To illustrate general strategies using the expression and purification of yeast eIF3 as a case study.

Main Methods:

Focuses on Saccharomyces cerevisiae as the yeast expression system.
Discusses considerations for selecting expression vectors and affinity tags.
Utilizes the expression and purification of yeast eIF3 as a practical example.

Main Results:

Yeast facilitates the overexpression of both endogenous and heterologous eukaryotic proteins.
It enables crucial post-translational modifications not achievable in bacterial systems.
Compared to mammalian cell cultures, yeast offers faster, less expensive, and scalable fermentation-based production.

Conclusions:

Saccharomyces cerevisiae is a versatile and economical platform for recombinant eukaryotic protein expression.
Careful selection of vectors and tags is crucial for successful protein production and purification.
The principles discussed are broadly applicable to expressing and purifying various eukaryotic proteins in yeast.