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Repressing Gene Transcription by Redirecting Cellular Machinery with Chemical Epigenetic Modifiers
Published on: September 20, 2018
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Dietary control of chromatin
Zhiguang Huang1, Ling Cai2, Benjamin P Tu1
1Department of Biochemistry, UT Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA.
Current Opinion in Cell Biology
|June 22, 2015
Summary
Organisms adjust gene expression via epigenetic modifications influenced by nutrient metabolites. This metabolic control of chromatin is vital for human physiology and has roles beyond gene regulation.
Area of Science:
- Biochemistry
- Molecular Biology
- Epigenetics
Background:
- Organisms require rapid gene expression changes in response to nutrient availability.
- Gene expression regulation is crucial for adapting to environmental shifts.
Purpose of the Study:
- To review evidence linking epigenetic modifications to intermediary metabolites.
- To highlight the role of nutrient-sensitive epigenetic marks in metabolic regulation.
Main Methods:
- Literature review of studies on epigenetics and metabolism.
- Analysis of the relationship between metabolites and chromatin modifications.
Main Results:
- Epigenetic chromatin modifications are dependent on specific intermediary metabolites.
- Nutrient availability dynamically influences epigenetic marks.
- These marks regulate gene expression in accordance with metabolic state.
Conclusions:
- Metabolic state directly influences gene expression through nutrient-sensitive epigenetic mechanisms.
- This regulatory pathway is fundamental to human physiology.
- Epigenetic marks have diverse functions, including pH regulation and roles in cancer metabolism.
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