Regulatory elements, such as promoters and enhancers, typically show reduced nucleosome occupancy, which is a feature that is commonly referred to as "open chromatin". The distribution of open chromatin sites can provide important clues about the transcription factors and regulatory networks that drive gene expression in a given cell. Assay for Transposase-Accessible Chromatin using sequencing (ATAC-seq) is a rapid and robust method for mapping open chromatin sites. ATAC-seq data can also discern the binding sites of nucleosomes and transcription factors. In this chapter, we describe how to produce and assess the quality of ATAC-seq libraries that are generated from naïve human pluripotent stem cells.
Keywords: ATAC-seq; Chromatin; Enhancers; Naïve hESCs; Pluripotency; Regulatory elements; Transposase.
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