Single-molecule simultaneous profiling of DNA methylation and DNA-protein interactions with Nanopore-DamID
bioRxiv (Cold Spring Harbor Laboratory)(2022)
Abstract
We present Nanopore-DamID, a method to simultaneously detect cytosine methylation and DNA-protein interactions from single molecules, via selective sequencing of adenine-labelled DNA. Assaying LaminB1 and CTCF binding with Nanopore-DamID, we identify escape from LAD-associated repression of hypomethylated promoters amidst generalised hypermethylation of LaminB1-associated regulatory elements. We detect novel CTCF binding sites in highly repetitive regions, and allele-specific CTCF binding to imprinted genes and the active X chromosome. Nanopore-DamID highlights the importance of DNA methylation to transcription factor activity.
### Competing Interest Statement
Registration, travel and accommodation at the 2022 Lorne Genome conference for S.W.C were paid for by Oxford Nanopore Technologies.
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Key words
dna methylation,single-molecule,dna-protein,nanopore-damid
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