Exploring Epigenetics
Epigenetics is the study of changes in gene expression or cellular phenotype that do not involve alterations to the underlying DNA sequence. This field examines how environmental factors, lifestyle choices, and various external stimuli can affect gene activity and function, potentially leading to changes in health, development, and disease susceptibility. Key Concepts in Epigenetics: DNA Methylation : This is the addition of a methyl group to DNA, typically at cytosine bases.
What this resource contributes
Epigenetics is the study of changes in gene expression or cellular phenotype that do not involve alterations to the underlying DNA sequence. This field examines how environmental factors, lifestyle choices, and various external stimuli can affect gene activity and function, potentially leading to changes in health, development, and disease susceptibility. Key Concepts in Epigenetics: DNA Methylation : This is the addition of a methyl group to DNA, typically at cytosine bases. Methylation can repress gene activity and is involved in various processes, including development, aging, and carcinogenesis. Histone Modification : Histones are proteins around which DNA is wound to form chromatin. Post-translational modifications of histones, such as acetylation, methylation, and phosphorylation, can influence chromatin structure and gene expression.