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  1. ..., the maintenance of this fine-scale pattern with increasing methylation is evident, and the phasic methylation pattern beginning near the start of DUX4 exon 1 was seen with repeats from both chromosomes and with increasing overall methylation levels.The 180-nt periodicity of CpG methylation suggested...
  2. ...of the fifth carbon atom of cytosine, typically in mammals in a CG dinucleotide context. This dinucleotide is depleted largely across the and found predominantly in clusters known as “CpG islands” (Bird 1986). Cytosine methylation is catalyzed by methyltransferases (e.g., DNMT1, DNMT3A) that transfer a methyl...
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  3. ...-related increase (D) or decrease (E) in methylation variance. (F,G) Genomic enrichment of positive and negative drift-CpGs (F: CpG island-related; G: gene-related features). (H,I) Genomic enrichment of drift- and clock-CpGs (H: CpG island-related; I: gene-related features). (J) Scatter plot of initial (young...
  4. ...not directly abolishing a CpG site have enhanced reference allele expression in one condition and enhanced alternate allele expression in the other (Fig. 4B), suggesting mechanisms that reverse the direction of ASE depending on methylation status.View larger version: In this window In a new window Figure 4...
  5. ...expresses Xist, is unmethylated (haplotype 1), whereas the active X (Xist silenced) is the methylated allele (haplotype 2). For all other CpG islands on the X Chromosome, methylation-based clustering of reads assigns Xa to the group of low-methylation reads and Xi to the group of high-methylation reads (Fig...
  6. ...with four imprinting disorders. Methylated (>75%) or unmethylated (<25%) fraction at IC1 in H19 and IC2 in KCNQ1OT1. Haplotype-resolved methylation fraction is also shown for the CpG island within SNURF-SNRPN that is evaluated when testing for PWS or AS. Two samples have either gain (GM19473) or loss (HG...
  7. ...increase was observed for both CpGs in the filled allele: Methylation at +740 CpG increased to 75.7% ± 6.1% (P = 0.013), whereas the more distant +1198 CpG increased to 63.6% ± 5.3% (P = 0.167). An opposite change in methylation was observed in the adult testis (Fig. 2C; Supplemental Fig. 4C). Both CpGs...
  8. ...for this article.] In mammalian DNA, cytosines within CpG dinucleotides are heavily methylated throughout the , yet there are several discrete “islands” that contain a high frequency of unmethylated CpG sites. These are called CpG islands (CGI), and their identification has long been considered important...
  9. ...-informative CpG sites identified by Sgootr are in inter-CpG island (CGI) regions, as opposed to intra-CGIs, which have been the main regions of interest in genomic methylation-related analyses.The problem of algorithmically inferring a phylogenetic tree that may be interpreted as a tumor progression history from...
  10. ...on the distribution of mean methylation levels. Advances in whole- bisulfite sequencing (WGBS) have enabled the characterization of DNA methylation haplotypes (MHAPs), representing CpG sites from the same read fragment on a single chromosome, and the subsequent identification of methylation haplotype blocks (MHBs...
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