Medium throughput bisulfite sequencing for accurate detection of 5-methylcytosine and 5-hydroxymethylcytosine.
|Title||Medium throughput bisulfite sequencing for accurate detection of 5-methylcytosine and 5-hydroxymethylcytosine.|
|Publication Type||Journal Article|
|Year of Publication||2017|
|Authors||Chen GG, Gross JA, Lutz P-E, Vaillancourt K, Maussion G, Bramoulle A, Théroux J-F, Gardini ES, Ehlert U, Bourret G, Masurel A, Lepage P, Mechawar N, Turecki G, Ernst C|
|Date Published||2017 Jan 18|
BACKGROUND: Epigenetic modifications of DNA, such as 5-methylcytosine and 5-hydroxymethycytosine, play important roles in development and disease. Here, we present a cost-effective and versatile methodology for the analysis of DNA methylation in targeted genomic regions, which comprises multiplexed, PCR-based preparation of bisulfite DNA libraries followed by customized MiSeq sequencing.RESULTS: Using bisulfite and oxidative bisulfite conversion of DNA, we have performed multiplexed targeted sequencing to analyse several kilobases of genomic DNA in up to 478 samples, and achieved high coverage data of 5-methylcytosine and 5-hydroxymethycytosine at single-base resolution. Our results demonstrate the ability of this methodology to detect all levels of cytosine modifications at greater than 100× coverage in large sample sets at low cost compared to other targeted methods.CONCLUSIONS: This approach can be applied to multiple settings, from candidate gene to clinical studies, and is especially useful for validation of differentially methylated or hydroxymethylated regions following whole-genome analyses.
|Alternate Journal||BMC Genomics|
|PubMed Central ID||PMC5242011|
|Grant List||R01 DA033684 / DA / NIDA NIH HHS / United States|