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Technical Level: Detecting single molecules in yeast cells

We believe just as single-molecule techniques revolutionized biophysics in the modern era, they will also take cell biology to the next level in the post-genomic era. The budding yeast Saccharomyces cerevisiae provides an excellent model system to begin this quest for “single-molecule cell biology”. It possesses the essential complexity of a eukaryote, but is still genetically tractable. Using a myriad of microscopy and analysis methods, we are trying to detect single molecules in yeast cells to obtain quantitative information on the configuration of DNA, diffusion of proteins, the occupancy of nucleosomes, and transcriptional kinetics.

A can of worms: We would like to study individual worms in a can without opening a can of worms.