Whole-genome bisulfite sequencing (WGBS) is a technique used for the analysis of genome-wide DNA methylation patterns (DNA methylomes) at a single-base resolution. Here, I describe a simple DNA extraction method… Click to show full abstract
Whole-genome bisulfite sequencing (WGBS) is a technique used for the analysis of genome-wide DNA methylation patterns (DNA methylomes) at a single-base resolution. Here, I describe a simple DNA extraction method from rice endosperm and the universal protocol of WGBS, MethylC-sequencing library preparation. The use of benzyl chloride allows for the extraction of high-quality genomic DNA from starchy endosperm, while sodium bisulfite converts unmethylated cytosine to uracil, whereas methylated cytosine is unchanged. The bisulfite conversion of whole genome sequencing libraries before the final amplification step allows for the discrimination of methylated from unmethylated cytosines in a genome-wide manner.
               
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