Abstract
Identification of the occupancy of transcription factors (TFs) and nucleosomes across the genome yields insights into the regulation of gene expression patterns. While several independent techniques can be performed and then analyzed in composite to reveal this chromatin landscape, the use of micrococcal nuclease (MNase) digestion can resolve the footprints of nearly all chromatin proteins simultaneously. The protocol below describes the use of MNase to identify chromatin footprints of both TFs and nucleosomes in two vastly different cell types, Mouse embryonic stem cells (mESCs) and sperm, with differing levels of chromatin compaction.
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