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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 proteomics...

Genome Annotation and Assembly

Genome Annotation and Assembly

The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.

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

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GelMap-a novel software tool for building and presenting proteome reference maps.

Christina Rode¹, Michael Senkler, Jennifer Klodmann

¹Institute of Plant Genetics, Leibniz Universität Hannover, Hannover, Germany. rode@genetik.uni-hannover.de

Journal of Proteomics

|July 7, 2011

Summary

This summary is machine-generated.

GelMap is a new software tool that helps researchers build, present, and evaluate proteomic reference maps. This tool simplifies the analysis of large protein datasets generated from gel electrophoresis and mass spectrometry.

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Area of Science:

Proteomics
Biochemistry
Bioinformatics

Background:

Two-dimensional gel electrophoresis is crucial for proteomics.
Large datasets from protein identification using mass spectrometry are common.
These datasets can serve as valuable reference maps for future studies.

Purpose of the Study:

To introduce GelMap, a novel software tool for creating, visualizing, and analyzing proteomic reference maps.
To enable functional and differential abundance categorization of proteins within these maps.
To provide an easy-to-use platform for proteome annotation and evaluation.

Main Methods:

GelMap software facilitates the building, presentation, and evaluation of proteomic reference maps.
It utilizes variable frames for grouping proteins into functional categories (three levels) or by differential abundance.
The tool requires uploading two digital files to a website, with an optional file for detailed protein information.

Main Results:

GelMap allows for the creation of comprehensive proteomic reference maps.
The software supports grouping proteins by function and differential abundance.
Two gel-based projects demonstrate GelMap's utility in proteome annotation and evaluation.

Conclusions:

GelMap is an effective and user-friendly software for managing and interpreting large-scale proteomic data.
It enhances the analysis of protein separation data from two-dimensional gel electrophoresis and mass spectrometry.
The tool aids in the annotation and evaluation of proteomic reference maps for diverse research applications.