Related Experiment Video
Updated: Oct 24, 2025
13:47
Enhanced Reduced Representation Bisulfite Sequencing for Assessment of DNA Methylation at Base Pair Resolution
Published on: February 24, 2015
25.8K
Low-Input Whole-Genome Bisulfite Sequencing
Anna Krepelova1, Francesco Neri2
1Leibniz Institute on Aging-Fritz Lipmann Institute (FLI), Jena, Germany.
Methods in Molecular Biology (Clifton, N.J.)
|August 12, 2021
Summary
This study presents a new protocol for whole-genome bisulfite sequencing (WGBS) using very low DNA input. This method enables comprehensive DNA methylation analysis in rare cell populations.
Area of Science:
- Epigenetics
- Genomics
- Molecular Biology
Background:
- DNA methylation regulates gene expression by altering chromatin accessibility and transcription factor binding.
- Whole-genome bisulfite sequencing (WGBS) provides single-base resolution of DNA methylation across the genome.
- Standard WGBS protocols require substantial DNA input, limiting their application in studies with limited cell samples.
Purpose of the Study:
- To develop and present a complete protocol for performing WGBS libraries from very low-input DNA.
- To enable comprehensive DNA methylation analysis in samples with limited cellular material.
Main Methods:
- A novel protocol for WGBS library preparation from low-input DNA (below 50 ng).
- Detailed step-by-step instructions for library construction and sequencing.
Main Results:
- Successful generation of WGBS libraries from minute amounts of DNA.
- Demonstration of the protocol's utility for analyzing DNA methylation patterns in rare cell populations.
Conclusions:
- The developed low-input WGBS protocol significantly expands the applicability of genome-wide methylation analysis.
- This method is particularly valuable for studying epigenetic modifications in rare cell populations, such as specific stem cell types from human or animal samples.
