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Related Concept Videos

Epigenetic Regulation01:46

Epigenetic Regulation

Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Epigenetic Regulation01:37

Epigenetic Regulation

Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
Epigenetic Regulation01:46

Epigenetic Regulation

Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Gene-Environment Interactions01:20

Gene-Environment Interactions

Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
Inheritance of Chromatin Structures03:17

Inheritance of Chromatin Structures

Epigenetics is the study of inherited changes in a cell's phenotype without changing the DNA sequences. It provides a form of memory for the differential gene expression pattern to maintain cell lineage, position-effect variegation, dosage compensation, and maintenance of chromatin structures such as telomeres and centromeres. For example, the structure and location of the centromere on chromosomes are epigenetically inherited. Its functionality is not dictated or ensured by the underlying DNA...
Histone Modification02:32

Histone Modification

The histone proteins have a flexible N-terminal tail extending out from the nucleosome. These histone tails are often subjected to post-translational modifications such as acetylation, methylation, phosphorylation, and ubiquitination. Particular combinations of these modifications form “histone codes” that influence the chromatin folding and tissue-specific gene expression.
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone deacetylase,...

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Related Experiment Video

Updated: Jul 6, 2026

Methylated DNA Immunoprecipitation
21:24

Methylated DNA Immunoprecipitation

Published on: January 2, 2009

Population epigenetics.

Eric J Richards1

  • 1Department of Biology, Washington University, One Brookings Drive, St. Louis, MO 63130, USA. richards@wustl.edu

Current Opinion in Genetics & Development
|March 14, 2008
PubMed
Summary
This summary is machine-generated.

Population epigenetics explores epigenetic variation in natural populations. This emerging field investigates the prevalence and importance of epigenetic states across diverse groups.

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Last Updated: Jul 6, 2026

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Area of Science:

  • Genetics and Genomics
  • Population Biology
  • Epigenetics

Background:

  • Epigenetic mechanisms controlling gene expression are increasingly understood.
  • The role of epigenetic variation within natural populations is largely unknown.
  • Population epigenetics bridges molecular genetics, genomics, and population biology.

Purpose of the Study:

  • To explore the significance of epigenetic state variation at the population level.
  • To investigate the prevalence of epigenetic variation in natural populations.
  • To understand the importance of epigenetic variation in the natural world.

Main Methods:

  • Utilizing population genetics principles.
  • Applying genomic technologies for epigenetic analysis.
  • Integrating data from molecular genetics and population biology.

Main Results:

  • Emerging subfield at the intersection of multiple biological disciplines.
  • Focuses on epigenetic variation in natural settings.
  • Addresses key questions about epigenetic states in populations.

Conclusions:

  • Population epigenetics is a rapidly developing field.
  • It is crucial for understanding the natural world.
  • Highlights the importance of epigenetic variation in populations.