Single-cell genome-wide bisulfite sequencing for assessing epigenetic heterogeneity.

Smallwood, Sébastien A; Lee, Heather J; Angermueller, Christof; Krueger, Felix; Saadeh, Heba; Peat, Julian; Andrews, Simon R; Stegle, Oliver et al. · Nat Methods · 2014

basic_science · Level V

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Abstract

We report a single-cell bisulfite sequencing (scBS-seq) method that can be used to accurately measure DNA methylation at up to 48.4% of CpG sites. Embryonic stem cells grown in serum or in 2i medium displayed epigenetic heterogeneity, with '2i-like' cells present in serum culture. Integration of 12 individual mouse oocyte datasets largely recapitulated the whole DNA methylome, which makes scBS-seq a versatile tool to explore DNA methylation in rare cells and heterogeneous populations.

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