Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/28025
Title: The use of Trizol reagent (phenol/guanidine isothiocyanate) for producing high quality two-dimensional gel electrophoretograms (2-DE) of dinoflagellates
Authors: Lee, FWF
Lo, SCL 
Keywords: Dinoflagellate
HABs
Proteomics
Trizol
Two-dimensional gel electrophoresis
Issue Date: 2008
Publisher: Elsevier Science Bv
Source: Journal of microbiological methods, 2008, v. 73, no. 1, p. 26-32 How to cite?
Journal: Journal of Microbiological Methods 
Abstract: Two-dimensional gel electrophoresis (2-DE) is one of the most efficient ways of resolving complex protein mixtures based on the isoelectric point (pI) and molecular mass (Mr). Although it has been used extensively in proteomic studies on samples from the animal and plant kingdoms, there is limited information on its use on algae, such as dinoflagellates. The preparation of high-quality samples from dinoflagellate cells for 2-DE is difficult due to high endogenous levels of salts, nucleic acids, polysaccharides, phenolic compounds, pigments, and other interfering compounds. Desalting and concentrating steps are usually required for the preparation of dinoflagellate protein sample prior to 2-DE and these steps can be lengthy and complicated. In this study, we report the use of Trizol (a monophasic solution of phenol and guanidine isothiocyanate) for the extraction of proteins from dinoflagellate cells for 2-DE. The method is simple and fast. 2-DE profiles obtained with Trizol treatment are of very high quality in terms of resolution, spot number and spot intensity. This method greatly simplifies protein extraction procedures on dinoflagellate samples for obtaining a high quality and reproductive 2-DE profile. This methodology is generally applicable to algal samples.
URI: http://hdl.handle.net/10397/28025
DOI: 10.1016/j.mimet.2008.01.006
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