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A Protocol for Protein Extraction from Lipid-Rich Plant Tissues Suitable for Electrophoresis

 Last Update: 2020-11-06
 Source: Internet
 Author: User

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Plant tissues contain high levels of nonprotein contaminants such as lipids, phenolic compounds, and polysaccharides among others, which interfere with protein extraction and electrophoretic separation. Preparation of good-quality protein extracts is a critical issue for successful electrophoretic analysis. Here, we describe a three-step method for protein extraction from lipid-rich plant tissues, which is suitable for both 1-D and 2-D electrophoresis and is compatible with downstream applications. The protocol includes prefractionation, filtration, and TCA/acetone precipitation steps prior to protein resolubilization.

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