PROTEIN EXTRACTION OF MAIZE (ZEA MAYS) FOR PROTEOMIC 2 – DE ANALYSIS

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December – January 2014/15, vol. 4, no. 3
pages: 263-265
Article type: Biotechnology of Biotechnology
DOI: 10.15414/jmbfs.2014-15.4.3.263-265
Abstract: A strength of two-dimensional polyacrylamide gel electrophoresis (2D PAGE) is its ability to resolve and investigate the abundance of several thousand proteins in a single sample. Two different extraction procedures for two-dimensional electrophoresis of plant proteins are compared in this work. Phenol-based extraction methods have been mainly used to extract proteins from different organs or tissues on many species. We wanted to determine which of these protocols was optimal for starch plants in order to achieve both efficient protein extraction and high spot resolution on 2-D gels. The phenol-based protocol was superior to the sodium phosphatase methods, showing larger protein yields and greater spot resolution on 2-D gels.
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