Related Experiment Video
Updated: Mar 12, 2026
13:47
Enhanced Reduced Representation Bisulfite Sequencing for Assessment of DNA Methylation at Base Pair Resolution
Published on: February 24, 2015
26.5K
DNA Bisulfite Sequencing for Single-Nucleotide-Resolution DNA Methylation Detection
Cold Spring Harbor Protocols
|November 18, 2016
Summary
DNA bisulfite sequencing detects DNA methylation changes by converting unmethylated cytosines to uracil. This reliable method analyzes gene or genomic region methylation status for biological insights.
Area of Science:
- Molecular Biology
- Genetics
- Epigenetics
Background:
- DNA methylation is crucial for various biological processes.
- Accurate detection of DNA methylation changes is essential.
- DNA bisulfite sequencing is a widely used and reliable method for this purpose.
Purpose of the Study:
- To detail the protocol for DNA bisulfite conversion and analysis.
- To enable the study of methylation status in specific genes or genomic regions.
Main Methods:
- Denatured DNA is treated with sodium bisulfite, converting unmethylated cytosines (C) to uracil (U).
- Methylated cytosines remain unmodified.
- Converted DNA is amplified using gene-specific primers and analyzed via DNA sequencing, where U is detected as thymidine (T).
Main Results:
- The protocol effectively distinguishes between methylated and unmethylated cytosines.
- Successful conversion and amplification allow for accurate methylation status determination.
- The method is applicable to both gene-specific and regional genomic analyses.
Conclusions:
- DNA bisulfite sequencing provides a robust method for assessing DNA methylation.
- This protocol facilitates the investigation of epigenetic modifications in biological research.
- Understanding DNA methylation patterns is key to deciphering complex biological functions.
