DNA Methylation Definition

mĕthə-lāshən
noun
The modification of a DNA base by the addition of a methyl group (CH3 ). DNA methylation of cytosines in particular regions of a gene can cause that gene's suppression.
American Heritage Medicine

DNA Methylation Sentence Examples

  • Jacqueline is currently supported by the AICR to study the control of DNA methylation by a chromatin insulator.

  • However, both the human and mouse telomerase RNA genes are within CpG islands and may therefore be under the regulation of DNA methylation.

  • Deletion of a silencer element disrupts H19 imprinting independently of a DNA methylation epigenetic switch.

  • Karen Parker, University of Nottingham, to work with Matt Dickinson on regulation of gene expression through DNA methylation during wheat rust development.

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