Epigenomics
2021-08-04
- Whole Genome Bisulfite Sequencing
- ChIP-Seq
- ATAC-Seq

In mammals,5-methylcytosine involves the covalent attachment of a methyl group to the 5’carbon position of cytosine, conferring an additional ability of signaling and regulatory function. As one of the major epigenetic modifications,5-methylcytosine plays a significant role in many biological processes,including gene silencing, suppression of transposable and repetitive sequences,genomic imprinting, X chromosome inactivation. Detection and quantification of methylation are critical to understand gene expression and other processes subjected to epigenetic regulation.
Whole genome bisulfite sequencing is the gold-standard approach to acquiring comprehensive base-pair resolution and quantitative information at most genomic methylated cytosines, allowing for unbiased genome-wide DNA methylation profiling. In the whole genome bisulfite sequencing process, the sodium bisulfite treatment of genomic DNA can convert unmethylated cytosines into uracil, while methylated cytosines keep intact. Following this step, PCR amplification, librarypreparation, and the next-generation sequencing are performed. Finally, through comparisons between untreated and sodium bisulfite-treated sequences, it’s viable to determine which nucleotide sites are methylated.Our highlyexperienced expert team and strict quality control following every procedureensure the comprehensive and accurate results.
Advantages of Whole Genome Bisulfite Sequencing
- Highly integrated single-base resolution DNA methylation patterning.
- Providing insights into gene cell-fate commitment andreprogramming, as well as gene regulation.
- Identifying novel epigenetic markers and targets fordisease.
- Data quality control
- Mapping onto reference genome
- mCs detection, methylation level calculation.
- Differentiallymethylated regions (DMRs) detection and annotation
- Function enrichment(Gene Ontology and KEGG Pathway) of DMR-associated genes
- Visualizationof BS seq data
- ...
(More upon request)
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