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  • Title: Microdroplet PCR for Highly Multiplexed Targeted Bisulfite Sequencing.
    Author: Komori HK, LaMere SA, Hart T, Head SR, Torkamani A, Salomon DR.
    Journal: Methods Mol Biol; 2018; 1708():333-348. PubMed ID: 29224152.
    Abstract:
    Many methods exist for examining CpG DNA methylation. However, many of these are qualitative, laborious to apply to a large number of genes simultaneously, or are not easy to target to specific regions of interest. Microdroplet PCR-based bisulfite sequencing allows for quantitative single base resolution analysis of investigator selected regions of interest. Following bisulfite conversion of genomic DNA, targeted microdroplet PCR is conducted with custom primer libraries. Samples are then fragmented, concatenated, and sequenced by high-throughput sequencing. The most recent technology allows for this method to be conducted with as little as 250 ng of bisulfite-converted DNA. The primary advantage of this method is the ability to hand-select the targeted regions covered by up to 10,000 amplicons of 500-600 bp. Moreover, the nature of microdroplet PCR virtually eliminates PCR bias and allows for the amplification of all targets simultaneously in a single tube.
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