Subcellular proteome analysis is one of the most effective ways to reduce the complexity of total proteome. With the advancement in protein extraction methodologies, it is now possible to fractionate and isolate the proteins from subcellular compartments without significant contamination from the cytoplasm and other organelles. Of the different subcellular proteomes, plasma membrane remained largely uncharacterized because of the difficulties in isolation of contamination free plasma membrane proteins. Moreover, proteome analysis in the past two decades majorly relied on the two-dimensional gel electrophoresis which showed limited protein loading ability and poor separation of highly hydrophobic plasma membrane proteins. Development of shotgun proteomics methods has facilitated the identification and quantification of hydrophobic proteins isolated from plasma membrane or other cellular membranes. Here, we present a simplified procedure for the isolation of plasma membrane proteins by a two-phase partitioning method and their identification by shotgun proteomics approach using rice as a model plant.
CITATION STYLE
Gupta, R., Kim, Y. J., & Kim, S. T. (2020). A Protocol for the Plasma Membrane Proteome Analysis of Rice Leaves. In Methods in Molecular Biology (Vol. 2139, pp. 107–115). Humana Press Inc. https://doi.org/10.1007/978-1-0716-0528-8_8
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