High-Throughput Protein Extraction and Immunoblotting Analysis in Saccharomyces cerevisiae
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Last Update: 2020-11-23
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Source: Internet
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Author: User
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A variety of
Saccharomyces cerevisiae
strain libraries allow for systematic analysis of strains bearing gene deletions, repressible genes, overexpressed genes, or modified genes on a genome-wide scale. Here we introduce a method for culturing yeast strains in 96-well format to achieve log-phase growth and a high-throughput technique for generating whole-cell protein extracts from these cultures using sodium dodecyl sulfate and heat lysis. We subsequently describe a procedure to analyze these whole-cell extracts by immunoblotting for alkaline phosphatase and carboxypeptidase yscS to identify strains with defects in protein transport pathways or protein glycosylation. These methods should be readily adaptable to many different areas of interest.
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