Standardizing chromatin research: a simple and universal method for ChIP-seq
Laura Arrigoni, Andreas S. Richter, Emily Betancourt, Kerstin Bruder, Sarah Diehl, Thomas Manke and Ulrike Bönisch
Here we demonstrate that harmonization of ChIP-seq workflows across cell types and conditions is possible when obtaining chromatin from properly isolated nuclei. We established an ultrasound-based nuclei extraction method (Nuclei Extraction by Sonication) that is highly effective across various organisms, cell types and cell numbers. The described method has the potential to replace complex cell-type-specific, but largely ineffective, nuclei isolation protocols. This article demonstrates protocol standardization using the Bioruptor shearing systems and the IP-Star Automation System for ChIP automation.
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