Yeast Expression System
Yeast Expression System - Related Videos
09:46
Expression of Recombinant Proteins in the Methylotrophic Yeast Pichia pastoris
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Cited by 59 •
2010
The protocol describes protein expression using the methylotrophic yeast Pichia pastoris. The preparation of electrocompetent yeast cells, transformation of the vector with the gene of interest into P. pastoris and yeast DNA purification are also performed. Western blot analysis and protein purification build the last steps in this protein expression protocol.
07:59
Temporal Quantification of MAPK Induced Expression in Single Yeast Cells
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Cited by 6 •
2013
Two complementary methods based on flow cytometry and microscopy are presented which enable the quantification, at the single cell level, of the dynamics of gene expression induced by the activation of a MAPK pathway in yeast.
09:34
Identification of Growth Inhibition Phenotypes Induced by Expression of Bacterial Type III Effectors in Yeast
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Cited by 33 •
2010
In this video, we describe a procedure for the expression of bacterial type III effectors in yeast and the identification of effector-induced growth inhibition phenotypes. Such phenotypes can be subsequently exploited to elucidate effector functions and targets.
05:20
Yeast Two-Hybrid Assay to Determine Protein Self-Association in Yeast Cells
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2025
This video demonstrates the yeast two-hybrid assay to detect specific protein self-interactions. In this assay, the protein of interest is tagged to two domains of a transcription factor that encodes the β-galactosidase enzyme. When the two proteins interact, this causes transcription and translation to form the enzyme, which is then detected using a biochemical assay.
08:30
Yeast Maintenance
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2023
Research performed in the yeast Saccharomyces cerevisiae has significantly improved our understanding of important cellular phenomona such as regulation of the cell cycle, aging, and cell death. The many benefits of working with S. cerevisiae include the facts that they are inexpensive to grow in the lab and that many ready-to-use strains are now commercially available. Nevertheless, proper maintenance of this organism is critical for successful experiments. This video will provide an overview...
FAQs
The promoter determines whether the introduced target gene is transcribed inside the yeast cell. That transcription produces messenger RNA, which supplies the template for protein synthesis. Consequently, promoter placement connects the engineered DNA design to recombinant protein production and is a central feature when researchers investigate protein function or seek enzyme production.
The expression vector carries the introduced target gene and provides the genetic framework needed to place that gene under a promoter. After transfer into yeast, this arrangement allows the cell to transcribe the selected sequence and translate its messenger RNA. Vector design therefore links the chosen DNA sequence with the intended protein output.
Yeast can provide eukaryotic protein processing in some cases, which may be relevant when a recombinant protein’s biological activity or usefulness depends on how the cell handles the newly made product. This capability distinguishes the system from relying solely on protein production in a simpler microbial context and can support more biologically informative studies.
Genetic tractability makes yeast comparatively accessible for modifying and studying introduced genetic material. Researchers can connect changes in expression design with the resulting recombinant protein, helping them examine protein function or production behavior. This feature supports iterative biological investigation while retaining the practical advantages of microbial cultivation.
A typical workflow begins by selecting the target gene, incorporating it into an expression vector, transferring that construct into yeast, and placing transcription under an appropriate promoter. Researchers then examine whether the cells produce the intended recombinant protein. These stages connect genetic design with measurable outcomes such as protein function or enzyme production.
This platform is useful when researchers need to study the function of a protein, produce an enzyme, or examine recombinant protein behavior in a eukaryotic cellular context. Yeast combines relatively simple cultivation with genetic tractability, making it suitable for experimental biology as well as biotechnology-oriented investigations.
Yeast can be cultivated relatively simply, while the expression platform supports production of recombinant proteins at a scale relevant to biotechnology. That combination allows researchers to connect laboratory studies of protein function or enzyme production with broader production goals. Its value comes from integrating manageable cell growth, engineered gene expression, and potentially useful protein processing.