ChIPmentation for Low-Input Profiling of In Vivo Protein–DNA Interactions
2019
: Many of the key cellular processes including establishing the cell's identity are governed by chromatin proteins. Mapping their binding on the level of a single cell would give us important insights into a new dimension of cellular heterogeneity. However, ChIP-seq, the main method to study protein-DNA interaction in the chromatin context, has proven very challenging to scale down. ChIPmentation is a modification of ChIP-seq, in which the Tn5 transposase is used to introduce sequencing adapters in one step. This allows to significantly reduce the required input material. ChIPmentation is a robust and versatile approach and even though it has not yet achieved single-cell resolution, we believe that it is a very promising starting point for further downscaling.
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