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Biology

DNA Methylation: Bisulphite Modification and Analysis
Kate Patterson *1, Laura Molloy *1, Wenjia Qu 1, Susan Clark 1,2
1Epigenetics Group, Cancer Research Program, Garvan Institute of Medical Research, 2St Vincent's Clinical School, University of NSW

The gold standard for DNA methylation analysis is genomic sequencing of bisulphite converted DNA. This method takes advantage of the increased sensitivity of cytosine compared with 5-methylcytosine (5-MeC) to bisulphite deamination under acidic conditions. Unmethylated cytosines can be distinguished from methylated cytosines after PCR amplification of the target genomic DNA.

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