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Enhanced Reduced Representation Bisulfite Sequencing for Assessment of DNA Methylation at Base Pair Resolution
Published on: February 24, 2015
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A capture methyl-seq protocol with improved efficiency and cost-effectiveness using pre-pooling and enzymatic
Keita Hasegawa1,2, Kazuhiko Nakabayashi3, Keisuke Ishiwata1
1Department of Maternal-Fetal Biology, National Center for Child Health and Development, 2-10-1 Okura, Setagaya-ku, Tokyo, 157-8535, Japan.
BMC Research Notes
|July 6, 2023
Summary
A new capture methyl-seq protocol (EMCap) reduces costs and DNA input for clinical methylome sequencing. This method offers comparable data quality to standard protocols, making it ideal for large-scale studies.
Area of Science:
- Genomics
- Epigenetics
Background:
- Sequencing-based methylome analysis is crucial for clinical research.
- Current methods can be costly and require substantial genomic DNA input.
Purpose of the Study:
- To develop a cost-effective capture methyl-seq protocol for clinical samples.
- To reduce the amount of genomic DNA needed for library preparation.
Main Methods:
- Established a capture methyl-seq protocol (EMCap) involving pre-pooling of libraries.
- Utilized TET2/APOBEC-mediated conversion of unmethylated cytosine to thymine.
- Compared EMCap with the standard SureSelect XT Human Methyl-Seq Kit.
Main Results:
- EMCap demonstrated comparable DNA methylation data quality to the standard protocol.
- The EMCap protocol is more cost-effective.
- EMCap significantly reduces the required input genomic DNA.
Conclusions:
- EMCap is a suitable alternative for clinical methylome sequencing.
- The protocol's efficiency makes it advantageous for large-scale clinical applications.
