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Related Concept Videos

Proteomics01:33

Proteomics

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 proteomics...
Protein Kinases and Phosphatases02:54

Protein Kinases and Phosphatases

Proteins undergo chemical modifications that trigger changes in the charge, structure, and conformation of the proteins. Phosphorylation, acetylation, glycosylation, nitrosylation, ubiquitination, lipidation, methylation, and proteolysis are various protein modifications that regulate protein activity. Such modifications are usually enzyme-driven.
Protein kinases
Many proteins in the cell are regulated by phosphorylation, the addition of a phosphate group. A family of enzymes called kinases...

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Related Experiment Video

Updated: Jun 6, 2026

Quantitative Phosphoproteomics in Fatty Acid Stimulated Saccharomyces cerevisiae
15:41

Quantitative Phosphoproteomics in Fatty Acid Stimulated Saccharomyces cerevisiae

Published on: October 12, 2009

Analysis of phosphoproteomics data.

Christoph Schaab1

  • 1Kinaxo Biotechnologies GmbH, Martinsried, Germany. schaab@biochem.mpg.de

Methods in Molecular Biology (Clifton, N.J.)
|November 11, 2010
PubMed
Summary

Protein phosphorylation is key to cell signaling and diseases like cancer. New statistical methods for phosphoproteomics data analysis are needed and applied to real data.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Systems Biology

Background:

  • Protein phosphorylation is a critical regulatory mechanism in cellular signaling pathways.
  • Dysregulation of these pathways is implicated in diseases such as cancer and inflammation.
  • Phosphoproteomics offers an unbiased, quantitative approach to study phosphorylation.

Purpose of the Study:

  • To review key concepts in phosphoproteomics.
  • To discuss major data analysis methods for phosphoproteomic data.
  • To apply and evaluate these methods on a real-world dataset.

Main Methods:

  • Mass spectrometry-based phosphoproteomics.
  • Statistical analysis of quantitative phosphoproteomic data.
  • Adaptation and enhancement of methods from gene expression analysis.

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Phosphoproteomic Strategy for Profiling Osmotic Stress Signaling in Arabidopsis
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Phosphoproteomic Strategy for Profiling Osmotic Stress Signaling in Arabidopsis

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Phosphopeptide Enrichment Coupled with Label-free Quantitative Mass Spectrometry to Investigate the Phosphoproteome in Prostate Cancer
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Phosphopeptide Enrichment Coupled with Label-free Quantitative Mass Spectrometry to Investigate the Phosphoproteome in Prostate Cancer

Published on: August 2, 2018

Related Experiment Videos

Last Updated: Jun 6, 2026

Quantitative Phosphoproteomics in Fatty Acid Stimulated Saccharomyces cerevisiae
15:41

Quantitative Phosphoproteomics in Fatty Acid Stimulated Saccharomyces cerevisiae

Published on: October 12, 2009

Phosphoproteomic Strategy for Profiling Osmotic Stress Signaling in Arabidopsis
05:47

Phosphoproteomic Strategy for Profiling Osmotic Stress Signaling in Arabidopsis

Published on: June 25, 2020

Phosphopeptide Enrichment Coupled with Label-free Quantitative Mass Spectrometry to Investigate the Phosphoproteome in Prostate Cancer
12:23

Phosphopeptide Enrichment Coupled with Label-free Quantitative Mass Spectrometry to Investigate the Phosphoproteome in Prostate Cancer

Published on: August 2, 2018

Main Results:

  • Demonstrated the utility of phosphoproteomics in understanding signaling pathways.
  • Highlighted the need for specialized statistical approaches beyond standard gene expression analysis.
  • Successfully applied data analysis tools to a relevant biological dataset.

Conclusions:

  • Phosphoproteomics is a powerful tool for dissecting cellular signaling.
  • Advanced and tailored statistical methods are essential for robust phosphoproteomic data analysis.
  • The study provides a framework for analyzing phosphoproteomic data in disease contexts.