Eukaryotic DNA replication with purified budding yeast proteins
Related Experiment Video
Updated: Oct 13, 2025

Strand-Specific Analysis of Proteins at Replicating DNA Strands by Enrichment and Sequencing of Protein-Associated Nascent DNA Method
Published on: May 2, 2025
Viktor Posse1, Erik Johansson2, John F X Diffley3
1Chromosome Replication Laboratory, The Francis Crick Institute, London, United Kingdom; Department of Medical Biochemistry and Cell Biology, University of Gothenburg, Gothenburg, Sweden.
Abstract:
The in vitro reconstitution of origin firing was a key step toward the biochemical reconstitution of eukaryotic DNA replication in budding yeast. Today the basic replication assay involves proteins purified from 24 separate protocols that have evolved since their first publication, and as a result, the efficiency and reliability of the in vitro replication system has improved. Here we will present protocols for all 24 purifications together with a general protocol for the in vitro replication assay and some tips for troubleshooting problems with the assay.
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