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Environmental epigenetics: Exploring phenotypic plasticity and transgenerational adaptation in fish.
Sameh A Abdelnour1, Mohammed A E Naiel1, Mourad Ben Said2
1Department of Animal Production, Faculty of Agriculture, Zagazig University, Zagazig, 44519, Egypt.
Environmental Research
|March 29, 2024
Summary
Environmental factors significantly impact fish epigenetics, influencing economically valuable traits and adaptation. Understanding these epigenetic changes is crucial for aquaculture resilience and managing environmental challenges.
Area of Science:
- Aquaculture
- Environmental Science
- Genetics
Background:
- Epigenetics regulates organism-environment interactions and phenotypic plasticity.
- Aquaculture is vulnerable to environmental changes, necessitating adaptation strategies.
- Preliminary evidence links epigenetic mechanisms to valuable traits in aquaculture species.
Purpose of the Study:
- To review the effects of environmental issues on epigenetic regulation in fish.
- To understand how epigenetics influences fish adaptation to adverse conditions.
- To identify research gaps in fish epigenetics and environmental stress.
Main Methods:
- Literature review of epigenetic mechanisms in fish.
- Analysis of environmental stressors and their impact on epigenetic modifications.
- Examination of phenotypic plasticity and transgenerational adaptation.
Main Results:
- Environmental stressors (climate, pollution, disease) induce epigenetic modifications in fish.
- Epigenetic alterations can affect gene expression related to oxidative stress, apoptosis, and reproduction.
- Some epigenetic changes are plastic, while others integrate into the genome for adaptation.
Conclusions:
- Epigenetic regulation is key to fish adaptation to environmental changes in aquaculture.
- Understanding fish epigenetics is vital for sustainable aquaculture practices.
- Further research is needed on epigenetic responses to diverse environmental factors.
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