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Epigenetic Regulation

Epigenetic Regulation

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

Epigenetic Regulation

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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.
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Gene-Environment Interactions

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...

Genomic Imprinting and Inheritance

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Related Experiment Video

Updated: Apr 13, 2026

Author Spotlight: RNAi Inheritance and ChIP in C. elegans

Author Spotlight: RNAi Inheritance and ChIP in C. elegans

Published on: May 5, 2023

Epigenetics in the wild.

Adam J Bewick¹, Robert J Schmitz²

¹Department of Genetics, University of Georgia, Athens, United States.

|May 6, 2015

Summary

This summary is machine-generated.

Wild Arabidopsis thaliana plants show environmental influences on DNA methylation patterns. These findings highlight how local conditions can alter epigenetic modifications in natural populations.

Keywords:

DNA methylation arabidopsis epigenetics evolutionary biology genomics local adaptation plant biology population genetics

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Area of Science:

Plant biology
Epigenetics
Ecology

Background:

Arabidopsis thaliana is a widely used model organism in plant science.
DNA methylation is a key epigenetic mechanism influencing gene expression.
Environmental factors are known to impact plant phenotypes.

Purpose of the Study:

To investigate how local environmental conditions affect DNA methylation patterns in wild Arabidopsis thaliana populations.
To understand the relationship between environmental variability and epigenetic changes in a natural setting.

Main Methods:

Field studies of wild Arabidopsis thaliana populations.
Analysis of DNA methylation patterns across different environmental contexts.
Correlation of epigenetic data with local environmental variables.

Main Results:

Significant variations in DNA methylation patterns were observed among wild Arabidopsis thaliana populations.
Specific environmental factors were identified as correlating with distinct methylation profiles.
Evidence suggests that epigenetic plasticity contributes to adaptation in local environments.

Conclusions:

Local environments induce changes in DNA methylation patterns in wild Arabidopsis thaliana.
Epigenetic modifications play a role in the adaptation of plants to their surroundings.
Further research is needed to elucidate the functional consequences of these environmentally induced epigenetic changes.