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dc.contributor.authorSchuster, Stephan C.en
dc.contributor.authorBeck, Stephanen
dc.contributor.authorKim, Changhoonen
dc.contributor.authorChambers, John Campbellen
dc.contributor.authorLoh, Marieen
dc.contributor.authorZhou, Lien
dc.contributor.authorNg, Hong Kiaten
dc.contributor.authorDrautz-Moses, Daniela I.en
dc.identifier.citationZhou, L., Ng, H. K., Drautz-Moses, D. I., Schuster, S. C., Beck, S., Kim, C., . . . Loh, M. (2019). Systematic evaluation of library preparation methods and sequencing platforms for high-throughput whole genome bisulfite sequencing. Scientific Reports, 9(1), 10383-. doi:10.1038/s41598-019-46875-5en
dc.description.abstractWhole genome bisulfite sequencing (WGBS), with its ability to interrogate methylation status at single CpG site resolution epigenome-wide, is a powerful technique for use in molecular experiments. Here, we aim to advance strategies for accurate and efficient WGBS for application in future large-scale epidemiological studies. We systematically compared the performance of three WGBS library preparation methods with low DNA input requirement (Swift Biosciences Accel-NGS, Illumina TruSeq and QIAGEN QIAseq) on two state-of-the-art sequencing platforms (Illumina NovaSeq and HiSeq X), and also assessed concordance between data generated by WGBS and methylation arrays. Swift achieved the highest proportion of CpG sites assayed and effective coverage at 26x (P < 0.001). TruSeq suffered from the highest proportion of PCR duplicates, while QIAseq failed to deliver across all quality metrics. There was little difference in performance between NovaSeq and HiSeq X, with the exception of higher read duplication rate on the NovaSeq (P < 0.05), likely attributable to the higher cluster densities on its flow cells. Systematic biases exist between WGBS and methylation arrays, with lower precision observed for WGBS across the range of depths investigated. To achieve a level of precision broadly comparable to the methylation array, a minimum coverage of 100x is recommended.en
dc.description.sponsorshipNMRC (Natl Medical Research Council, S’pore)en
dc.format.extent16 p.en
dc.relation.ispartofseriesScientific Reportsen
dc.rights© 2019 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Te images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit
dc.subjectScience::Biological sciencesen
dc.titleSystematic evaluation of library preparation methods and sequencing platforms for high-throughput whole genome bisulfite sequencingen
dc.typeJournal Articleen
dc.contributor.schoolLee Kong Chian School of Medicine (LKCMedicine)en
dc.contributor.researchSingapore Centre for Environmental Life Sciences and Engineeringen
dc.description.versionPublished versionen
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