Long-read single-molecule maps of the functional methylome.

Abstract:

:We report on the development of a methylation analysis workflow for optical detection of fluorescent methylation profiles along chromosomal DNA molecules. In combination with Bionano Genomics genome mapping technology, these profiles provide a hybrid genetic/epigenetic genome-wide map composed of DNA molecules spanning hundreds of kilobase pairs. The method provides kilobase pair-scale genomic methylation patterns comparable to whole-genome bisulfite sequencing (WGBS) along genes and regulatory elements. These long single-molecule reads allow for methylation variation calling and analysis of large structural aberrations such as pathogenic macrosatellite arrays not accessible to single-cell second-generation sequencing. The method is applied here to study facioscapulohumeral muscular dystrophy (FSHD), simultaneously recording the haplotype, copy number, and methylation status of the disease-associated, highly repetitive locus on Chromosome 4q.

journal_name

Genome Res

journal_title

Genome research

authors

Sharim H,Grunwald A,Gabrieli T,Michaeli Y,Margalit S,Torchinsky D,Arielly R,Nifker G,Juhasz M,Gularek F,Almalvez M,Dufault B,Chandra SS,Liu A,Bhattacharya S,Chen YW,Vilain E,Wagner KR,Pevsner J,Reifenberger J,Lam

doi

10.1101/gr.240739.118

subject

Has Abstract

pub_date

2019-04-01 00:00:00

pages

646-656

issue

4

eissn

1088-9051

issn

1549-5469

pii

gr.240739.118

journal_volume

29

pub_type

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