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Updated: Dec 11, 2025

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DNA Methylation: Bisulphite Modification and Analysis
Published on: October 21, 2011
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Bioinformatics Analysis of DNA Methylation Through Bisulfite Sequencing Data
1DeepSeq, School of Life Sciences, University of Nottingham, Nottingham, UK. fei.sang@nottingham.ac.uk.
Methods in Molecular Biology (Clifton, N.J.)
|August 22, 2020
Summary
DNA methylation, an epigenetic process, regulates gene expression. This chapter details analyzing bisulfite sequencing data, a key method for mapping DNA methylation patterns, using bioinformatics tools.
Area of Science:
- Epigenetics
- Genomics
- Bioinformatics
Background:
- DNA methylation is a crucial epigenetic modification regulating gene expression.
- Understanding methylation patterns is vital for biological research.
Purpose of the Study:
- To introduce methodologies for analyzing bisulfite sequencing data.
- To highlight the role of bioinformatics tools in this analysis.
Main Methods:
- Bisulfite sequencing as the gold standard for methylation detection.
- Conversion of unmethylated cytosines to uracils (read as Ts).
- Utilizing various bioinformatics tools for data analysis.
Main Results:
- Provides a comprehensive overview of bisulfite sequencing data analysis.
- Enables accurate determination of genomic methylation patterns.
Conclusions:
- Effective analysis of bisulfite sequencing data is essential for epigenetic research.
- Bioinformatics tools are indispensable for interpreting methylation data.

