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Proteomics

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...

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A Fast and Quantitative Method for Post-translational Modification and Variant Enabled Mapping of Peptides to Genomes

A Fast and Quantitative Method for Post-translational Modification and Variant Enabled Mapping of Peptides to Genomes

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Mapping the SUMOylated landscape.

Karolin Eifler¹, Alfred C O Vertegaal¹

¹Department of Molecular Cell Biology, Leiden University Medical Center, Leiden, The Netherlands.

The FEBS Journal

|July 18, 2015

Summary

This summary is machine-generated.

Small ubiquitin-like modifier (SUMO)ylation is a key process regulating cell functions and is vital for eukaryotes. Understanding SUMOylation dynamics via proteomics aids in comprehending its role in diseases like cancer.

Keywords:

SUMO cross-talk group modification mass spectrometry post-translational modification proteomics site-specific small ubiquitin-like modifier ubiquitin

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Published on: November 1, 2019

Area of Science:

Molecular Biology
Cell Biology
Biochemistry

Background:

SUMOylation is a crucial post-translational modification regulating vital cellular processes like DNA damage response and cell-cycle progression.
The SUMOylation system, involving small ubiquitin-like modifier (SUMO) attachment, is essential for eukaryotic life.
Dysregulation of SUMOylation is linked to human diseases, including cancer and neurodegenerative disorders.

Purpose of the Study:

To review the fundamental concepts of the SUMOylation system.
To discuss the application of proteomic approaches in studying SUMOylation.
To elucidate the role of SUMOylation patterns in health and disease.

Main Methods:

Review of existing literature on SUMOylation.
Analysis of proteomic studies focusing on SUMO targets.
Discussion of mass spectrometry techniques applied to SUMO proteomes.

Main Results:

Recent advances in mass spectrometry have significantly increased the identification of SUMOylation targets.
Proteomic analyses are instrumental in deciphering complex SUMOylation patterns.
SUMOylation plays a critical role in various cellular functions and its deregulation is disease-associated.

Conclusions:

Understanding SUMOylation dynamics is crucial for both basic science and clinical applications.
Proteomic strategies offer powerful tools to investigate SUMOylation in health and disease contexts.
Further research into SUMOylation regulation is warranted due to its implications in human pathologies.