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  1. DNA methylation - Wikipedia

    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 changing the sequence. When …

  2. DNA Methylation and Its Basic Function - PMC

    In the mammalian genome, DNA methylation is an epigenetic mechanism involving the transfer of a methyl group onto the C5 position of the cytosine to form 5-methylcytosine.

  3. Methylation: Definition, Research, Testing, and Support Methods

    Mar 27, 2023 · DNA methylation refers to the process of adding a methyl group to one of the bases of your DNA. We’ll explore how this process effects gene expression and why experts believe it could …

  4. Methylation - National Human Genome Research Institute

    1 day ago · When found in DNA, methylation can alter gene expression. In this process, chemical tags called methyl groups attach to a particular location within DNA where they turn a gene on or off, …

  5. What is DNA Methylation? A Beginner’s Guide - Genetic Education

    Mar 12, 2024 · “Explore the concept of DNA methylation. Learn the basics, importance and detection techniques for DNA methylation in this article.”

  6. DNA methylation in mammalian development and disease

    Aug 12, 2024 · Here, we hope to provide a unifying framework by examining the genomic distribution of DNA methylation within specific developmental or disease contexts, including how these DNA …

  7. What is DNA methylation? | DNA Methylation Overview | biomodal

    Sep 19, 2025 · DNA methylation is an epigenetic mechanism that modifies DNA without altering its underlying sequence. It involves the addition of a methyl group (CH3) to the DNA molecule, …

  8. Introduction to DNA Methylation - Merck

    DNA methylation, histone modifications, and changes to higher-order chromatin structure play a central role in the regulation of mammalian genome organization. The epigenetic signature of any cell …

  9. What is DNA Methylation - CD Genomics

    DNA methylation is a pivotal mechanism regulating gene expression, characterized by the covalent attachment of a methyl group to the 5th carbon of cytosine at specific CpG dinucleotide sites …

  10. DNA Methylation - an overview | ScienceDirect Topics

    DNA methylation is a chemical process involving the addition of a methyl group to DNA that changes the DNA’s appearance and structure of DNA, modifying a gene’s interactions with the transcription …