• Methylation, in the chemical sciences, is the addition of a methyl group on a substrate, or the substitution of an atom (or group) by a methyl group....
    28 KB (3,051 words) - 10:03, 4 June 2024
  • Thumbnail for DNA methylation
    DNA methylation is a biological process by which methyl groups are added to the DNA molecule. Methylation can change the activity of a DNA segment without...
    114 KB (13,179 words) - 02:59, 22 July 2024
  • Thumbnail for Epigenetics
    nucleotide sequence. Examples of mechanisms that produce such changes are DNA methylation and histone modification, each of which alters how genes are expressed...
    161 KB (18,346 words) - 02:11, 20 August 2024
  • Mercury methylation is the process of forming methylmercury (MeHg). The methylation of mercury can occur abiotically or biotically. Biotically, the primary...
    12 KB (1,459 words) - 19:35, 1 July 2024
  • Histone methylation is a process by which methyl groups are transferred to amino acids of histone proteins that make up nucleosomes, which the DNA double...
    24 KB (2,879 words) - 12:31, 10 August 2024
  • Protein methylation is a type of post-translational modification featuring the addition of methyl groups to proteins. It can occur on the nitrogen-containing...
    17 KB (2,016 words) - 16:32, 21 April 2024
  • Thumbnail for Bisulfite sequencing
    of DNA before routine sequencing to determine the pattern of methylation. DNA methylation was the first discovered epigenetic mark, and remains the most...
    34 KB (4,084 words) - 21:59, 8 January 2024
  • Thumbnail for CpG site
    suppressed via methylation, further TE's can act as "methylation centres" facilitating methylation of flanking DNA. Since methylation reduces selective...
    51 KB (5,481 words) - 20:28, 15 August 2024
  • Thumbnail for Dimethyl sulfate
    (CH3O)2SO2 →(CH3)3COH + Na(CH3O)SO3H The methylation of sugars is called Haworth methylation. The methylation of ketones is called the Lavergne reaction...
    17 KB (1,508 words) - 20:35, 20 July 2024
  • The Illumina Methylation Assay using the Infinium I platform uses 'BeadChip' technology[clarification needed] to generate a comprehensive genome-wide...
    11 KB (1,179 words) - 12:28, 8 August 2024
  • Thumbnail for Cellular differentiation
    dinucleotide methylation between at least one ES or iPS cell line. By comparing these regions of differential methylation with regions of cytosine methylation in...
    50 KB (6,030 words) - 08:18, 4 September 2024
  • Thumbnail for RNA-directed DNA methylation
    RNA-directed DNA methylation (RdDM) is a biological process in which non-coding RNA molecules direct the addition of DNA methylation to specific DNA sequences...
    139 KB (14,822 words) - 02:25, 16 July 2024
  • Decreased DNA Methylation I (DDM1), is a plant gene that encodes a nucleosome remodeler which facilitates DNA methylation. The DDM1 gene has been described...
    4 KB (409 words) - 14:14, 24 September 2024
  • Thumbnail for Epigenome
    changes to the function of the genome. The human epigenome, including DNA methylation and histone modification, is maintained through cell division (both mitosis...
    34 KB (3,801 words) - 02:03, 8 August 2024
  • DNA methylation in cancer plays a variety of roles, helping to change the healthy cells by regulation of gene expression to a cancer cells or a diseased...
    30 KB (3,792 words) - 17:59, 4 September 2024
  • and metabolism. These heritable epigenetic modifications include DNA methylation of the promoter regions of genes that affect sensitivity to stress. Epigenetic...
    97 KB (11,227 words) - 20:18, 19 July 2024
  • reprogramming refers to erasure and remodeling of epigenetic marks, such as DNA methylation, during mammalian development or in cell culture. Such control is also...
    49 KB (5,387 words) - 17:07, 6 April 2024
  • Thumbnail for Homocystinuria
    factors, only one of which is CBS deficiency. Others include the re-methylation defects (cobalamin defects, methionine synthase deficiency, MTHFR) and...
    13 KB (1,360 words) - 04:03, 1 September 2024
  • Thumbnail for Whole genome bisulfite sequencing
    DNA methylation status of single cytosines by treating the DNA with sodium bisulfite before high-throughput DNA sequencing. The DNA methylation status...
    22 KB (2,517 words) - 05:07, 4 July 2024
  • Thumbnail for Histone
    most common modification are the methylation of arginine or lysine residues or the acetylation of lysine. Methylation can affect how other protein such...
    84 KB (9,582 words) - 18:07, 20 August 2024
  • region of the binding site. Adenine methylation does not occur naturally in eukaryotes and therefore adenine methylation in any region can be concluded to...
    18 KB (2,212 words) - 14:17, 26 April 2024
  • Thumbnail for Bayesian tool for methylation analysis
    Bayesian tool for methylation analysis, also known as BATMAN, is a statistical tool for analysing methylated DNA immunoprecipitation (MeDIP) profiles...
    7 KB (1,093 words) - 01:31, 22 February 2020
  • Thumbnail for S-Adenosyl methionine
    a regulator of a variety of processes including DNA, tRNA, and rRNA methylation; immune response; amino acid metabolism; transsulfuration; and more....
    23 KB (2,421 words) - 11:10, 25 June 2024
  • Thumbnail for Endurance
    training also alters muscle gene expression through epigenetic DNA methylation or de-methylation of CpG sites within enhancers. In a study by Lindholm et al...
    16 KB (1,520 words) - 18:40, 10 September 2024
  • Thumbnail for Regulation of gene expression
    such as methylation. Such modifications are considered to be responsible for more or less permanent changes in gene expression levels. Methylation of DNA...
    45 KB (5,235 words) - 20:17, 6 September 2024
  • Thumbnail for Neoplasm
    repair gene MGMT, while the majority had reduced MGMT expression due to methylation of the MGMT promoter region (an epigenetic alteration). Five reports...
    51 KB (5,896 words) - 01:15, 22 September 2024
  • Thumbnail for Reduced representation bisulfite sequencing
    efficient and high-throughput technique for analyzing the genome-wide methylation profiles on a single nucleotide level. It combines restriction enzymes...
    13 KB (1,812 words) - 19:12, 27 June 2024
  • gene activity. Epigenetic mechanisms such as DNA methylation and histone modifications (methylation, acetylation, and deacetylation) have been shown to...
    52 KB (6,235 words) - 15:49, 26 April 2024
  • Thumbnail for DNA adenine methylase
    variation in uropathogenic E. coli is controlled by Dam through the methylation of the two GATC sites proximal and distal to the PAP promoter. Given...
    16 KB (1,844 words) - 17:37, 28 November 2023
  • Thumbnail for 2'-O-methylation
    2'-O-methylation (2'-O-Me) is a common nucleotide epitranscriptomics modification of ribosomal RNA (rRNA). The rRNA is transcribed from DNA and then used...
    6 KB (703 words) - 17:47, 5 May 2024