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Related Concept Videos

Epigenetic Regulation01:37

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.
X-chromosome...
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Epigenetic Regulation01:46

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Epigenetic considerations in aquaculture.

Mackenzie R Gavery1, Steven B Roberts1

  • 1School of Aquatic & Fishery Sciences, University of Washington, Seattle, WA, USA.

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Summary

Epigenetics, including DNA methylation and histone modifications, offers potential for enhancing aquaculture productivity and sustainability. Understanding these mechanisms can lead to improved breeding strategies and desired fish phenotypes.

Keywords:
AquacultureDNA methylationEpigeneticsFinfishHistone modificationsNon-coding RNASeafoodShellfish

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Area of Science:

  • Aquaculture
  • Epigenetics
  • Animal Breeding

Background:

  • Epigenetics, involving DNA methylation, histone modifications, and non-coding RNA, is increasingly recognized for its agricultural applications.
  • Environmental factors can influence epigenetic modifications, impacting organismal traits.

Purpose of the Study:

  • To introduce key epigenetic concepts and their relevance to aquaculture.
  • To review the current understanding of epigenetics in fish and shellfish.
  • To propose applications of epigenetics in aquaculture for enhanced productivity and sustainability.

Main Methods:

  • Review of current literature on epigenetic mechanisms (DNA methylation, histone modifications, non-coding RNA).
  • Analysis of epigenetic principles in the context of fish and shellfish biology.
  • Identification of potential application areas within aquaculture practices.

Main Results:

  • Epigenetic mechanisms can be leveraged through environmental manipulation to induce desired phenotypes across generations.
  • Epigenetic selection, alone or combined with genetic selection, can improve the reliability of producing animals with specific traits.
  • Application of epigenetic knowledge could significantly impact aquaculture productivity and sustainability.

Conclusions:

  • Epigenetic strategies, such as environmental manipulation and selection, hold significant promise for advancing aquaculture.
  • Further research is needed to fully elucidate and harness epigenetic mechanisms for sustainable aquaculture development.
  • Understanding epigenetics may challenge traditional selection practices in aquaculture species.