Journal
BIOMOLECULAR ENGINEERING
Volume 18, Issue 5, Pages 195-205Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S1389-0344(01)00095-8
Keywords
proteomics; gel electrophoresis; cellular mechanisms
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With whole genomes being sequenced almost routinely, the next logical step towards a better understanding of cellular mechanisms lies in studying the functional units of gene expression -proteins. One of the fundamental approaches-in proteomics is the use of two-dimensional gel electrophoresis as a mode of separation and visualization of complex protein mixtures. Despite several limitations of the method, its ability to separate large numbers of proteins, including their post-translationally modified forms, ensures that it will continue to be popular in several well-defined areas of proteomics. In this article, we discuss the merits and drawbacks of two-dimensional gels and compare them with alternative systems such as one-dimensional gels and liquid chromatography-based separation methods. In the wake of recent advances in mass spectrometry and related areas, we outline areas where two-dimensional gels can best be utilized as the preferred separation method in proteomic strategies. (C) 2001 Elsevier Science B.V. All rights reserved.
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