DNA methylation can regulate gene expression by modulating chromatin accessibility and transcription factor binding on promoter and enhancer regions. Whole-genome bisulfite sequencing (WGBS) represents the most informative and comprehensive analysis to profile the DNA methylation status of all the cytosines at single-base resolution. However, most of the available protocols recommend an amount of input DNA (50 ng–5μg) that makes the WGBS unsuitable for limited samples and cell populations. In this chapter, we provide complete protocol to perform WGBS libraries from very low-input DNA. This protocol is recommended for the analysis of the whole-genome DNA methylation pattern in rare cell populations, like a defined stem cell population isolated from animal models or human samples.
Low-Input Whole-Genome Bisulfite Sequencing
Krepelova A.First
;Neri F.
Last
2021-01-01
Abstract
DNA methylation can regulate gene expression by modulating chromatin accessibility and transcription factor binding on promoter and enhancer regions. Whole-genome bisulfite sequencing (WGBS) represents the most informative and comprehensive analysis to profile the DNA methylation status of all the cytosines at single-base resolution. However, most of the available protocols recommend an amount of input DNA (50 ng–5μg) that makes the WGBS unsuitable for limited samples and cell populations. In this chapter, we provide complete protocol to perform WGBS libraries from very low-input DNA. This protocol is recommended for the analysis of the whole-genome DNA methylation pattern in rare cell populations, like a defined stem cell population isolated from animal models or human samples.
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