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Related Concept Videos

Proteomics01:33

Proteomics

7.3K
A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term...
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Protein Modifications in the RER01:26

Protein Modifications in the RER

5.1K
Modification of secretory and transmembrane proteins entering the rough ER begins in the ER lumen. These modifications aid in protein folding and stabilize the acquired tertiary structure. Protein modifications in the rough ER co-occur at different stages of protein folding.
Broadly, these modifications can be categorized into four main categories — glycosylation, formation of disulfide bonds, assembly of protein subunits, and specific proteolytic cleavages like removal of signal...
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Yeast Signaling01:28

Yeast Signaling

14.5K
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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Related Experiment Video

Updated: Jun 16, 2025

Budding Yeast Protein Extraction and Purification for the Study of Function, Interactions, and Post-translational Modifications
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Budding Yeast Protein Extraction and Purification for the Study of Function, Interactions, and Post-translational Modifications

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Yeast Proteins: Proteomics, Extraction, Modification, Functional Characterization, and Structure: A Review.

Yan Zhao1, Zhaowei Han1, Xuchun Zhu1

  • 1School of Food and Health, Beijing Technology and Business University, Beijing 100080, China.

Journal of Agricultural and Food Chemistry
|August 15, 2024
PubMed
Summary
This summary is machine-generated.

Yeast offers a sustainable, high-quality protein source to meet rising global demand. Proteomics aids in identifying superior yeast strains and optimizing protein extraction and modification for enhanced food applications.

Keywords:
protein extractionprotein modificationproteomicsstructural and functional characteristicsyeast protein

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Area of Science:

  • Biotechnology
  • Food Science
  • Proteomics

Background:

  • Rising global population necessitates sustainable protein sources beyond traditional animal and plant-based options.
  • Yeast presents a promising alternative due to its high protein content and complete amino acid profile.
  • Current protein extraction methods for yeast are inefficient and environmentally concerning, limiting its industrial application.

Purpose of the Study:

  • To explore the use of proteomic analysis for identifying high-protein yeast strains.
  • To compare different yeast protein preparation processes.
  • To investigate the impact of protein modification techniques on yeast protein functionality and structure.

Main Methods:

  • Proteomic analysis for strain screening.
  • Comparative analysis of yeast extraction and solubilization techniques.
  • Evaluation of protein modification methods on secondary and tertiary structures.

Main Results:

  • Proteomics enables efficient identification of nutrient-rich yeast strains.
  • Novel, eco-friendly extraction methods are needed to replace current alkaline and acid precipitation techniques.
  • Modification of yeast protein structures can significantly improve their functional properties for food applications.

Conclusions:

  • Yeast protein is a viable, high-quality protein resource with potential to address global protein deficiency.
  • Proteomic screening and optimized modification techniques are crucial for advancing the yeast protein industry.
  • Further research into sustainable extraction and functional modification is essential for broader food industry adoption.