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Simultaneous CUT&Tag profiling of the accessible and silenced regulome in single cells

Janssens, D. H.; Otto, D. J.; Setty, M.; Ahmad, K.; Henikoff, S.

2021-12-21 genomics
10.1101/2021.12.19.473377 bioRxiv
Show abstract

Cleavage Under Targets & Tagmentation (CUT&Tag) is an antibody-directed transposase tethering strategy for in situ chromatin profiling in small samples and single cells. We describe a modified CUT&Tag protocol using a mixture of an antibody to the initiation form of RNA Polymerase II (Pol2 Serine-5 phosphate) and an antibody to repressive Polycomb domains (H3K27me3) followed by computational signal deconvolution to produce high-resolution maps of both the active and repressive regulomes in single cells. The ability to seamlessly map active promoters, enhancers and repressive regulatory elements using a single workflow provides a complete regulome profiling strategy suitable for high-throughput single-cell platforms.

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