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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

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...

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Plant tissue culture is widely used in both primary and applied science. Applications range from plant development studies to functional gene studies, crop improvement, commercial micropropagation, virus elimination, and conservation of rare species.

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Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are often produced in specific glands and circulated via the circulatory system. However, plants lack hormone-producing glands.

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Related Experiment Video

Updated: Feb 15, 2026

Robotics and Dynamic Image Analysis for Studies of Gene Expression in Plant Tissues

Robotics and Dynamic Image Analysis for Studies of Gene Expression in Plant Tissues

Published on: May 5, 2010

Dynamic Epigenetic Changes during Plant Regeneration.

Kyounghee Lee¹, Pil Joon Seo¹

¹Department of Biological Sciences, Sungkyunkwan University, Suwon 16419, Republic of Korea.

Trends in Plant Science

|January 18, 2018

Summary

Plant regeneration involves epigenetic changes during callus formation. Understanding these chromatin modifications is key to unlocking cellular pluripotency and improving plant breeding techniques.

Keywords:

callus formation cell fate change chromatin modification de novo organogenesis dedifferentiation epigenetic coordination

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Area of Science:

Plant biology
Epigenetics
Cellular regeneration

Background:

Plants possess remarkable abilities for cellular dedifferentiation and regeneration.
Epigenetic landscapes undergo significant alterations during cell fate transitions.

Purpose of the Study:

To review recent advancements in the epigenetic regulation of plant callus formation.
To explore the fundamental questions surrounding cell fate changes and pluripotency establishment in plants.

Main Methods:

Literature review focusing on epigenetic regulation in plant regeneration.
Analysis of chromatin structure modifications during in vitro tissue culture.

Main Results:

Callus formation is underpinned by global and local modifications of chromatin structure.
Unique epigenetic signatures characterize pluripotent callus cells.
Dynamic changes in chromatin marks during callus formation are crucial for plant regeneration.

Conclusions:

Epigenetic regulation plays a critical role in plant callus formation and regeneration.
The interplay and sequence of epigenetic modifications shape complex cell fate changes.
Further research into these epigenetic mechanisms can advance plant biotechnology.