Abstract
DNA replication is a highly complex process that achieves the faithful transmission of genetic information from parent to progeny. Recruitment of DNA replication proteins to DNA is dynamically regulated during the cell cycle and in response to replication stresses. For a large-scale analysis of DNA replication proteins, I established a method for analysis of chromatin-bound proteins by SILAC (stable isotope labeling by amino acids in cell culture)-based quantitative proteomics. Here I describe a detailed methodology for SILAC labeling of budding yeast Saccharomyces cerevisiae, then nuclear isolation and chromatin preparation from synchronized yeast cells, prior to quantitative proteomic analysis of DNA replication proteins.
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