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Differential detergent fractionation for non-electrophoretic eukaryote cell proteomics
IGBB Authors:
Fiona M. McCarthy, Shane C. BurgessPUBLICATION YEAR:
2005IMPACT FACTOR:
7.194CITATION COUNT:
68McCarthy FM, Burgess SC, van den Berg BH, Koter MD, Pharr GT (2005) Differential detergent fractionation for non-electrophoretic eukaryote cell proteomics.
Journal of Proteome Research 4(2): 316-324.
DOI:
10.1021/pr049842dEID:
2-s2.0-17444400484PMID: 15822906
DOWNLOAD PDFABSTRACTDifferential detergent fractionation (DDF), which relies on detergents to sequentially extract proteins from eukaryotic cells, has been used to increase proteome coverage of 2D-PAGE. Here, we used DDF extraction in conjunction with the nonelectrophoretic proteomics method of liquid chromatography and electrospray ionization tandem mass spectrometry. We demonstrate that DDF can be used with 2D-LC ESI MS2 for comprehensive cellular proteomics, including a large proportion of membrane proteins. Compared to some published methods designed to isolate membrane proteins specifically, DDF extraction yields comprehensive proteomes which include twice as many membrane proteins. Two-thirds of these membrane proteins have more than one trans-membrane domain. Since DDF separates proteins based upon their physicochemistry and subcellular localization, this method also provides data useful for functional genome annotation. As more genome sequences are completed, methods which can aid in functional annotation will become increasingly important.
Dr. Attila KarsiAssociate Professor
CVM Comparative Biomedical SciencesIGBB Affiliate
email(662) 325-0405
Dr. Te-Ming (Paul) TsengAssistant Professor
Plant & Soil SciencesIGBB Affiliate
email(662) 325-4725
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