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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...

Epigenetic Regulation

Epigenetic Regulation

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

Cell Signaling in Plants

Cell Signaling in Plants

Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...

Overview of Metabolism

Overview of Metabolism

Living cells constantly carry out various chemical reactions which are necessary for their proper functioning. These reactions are interlinked to one another via multiple pathways. The collection of these chemical reactions is known as metabolism.
Plant Metabolism
Sunlight, the primary source of energy in plants, is first absorbed by the chlorophyll pigments present in their leaves. Plants then use this energy to carry out photosynthesis, where water is oxidized into oxygen and carbon dioxide...

Biosynthesis of Nucleic Acids

Biosynthesis of Nucleic Acids

Nucleic acid biosynthesis is a fundamental biochemical process that produces the purine and pyrimidine nucleotides essential for DNA and RNA synthesis. This pathway maintains a balanced nucleotide pool, preventing imbalances that could jeopardize genetic integrity and cellular function. Given the crucial role of nucleotides, their synthesis is tightly regulated to ensure proper cellular homeostasis.Purine BiosynthesisThe biosynthesis of purine nucleotides begins with ribose-5-phosphate, a...

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Related Experiment Video

Updated: Jul 5, 2026

Determination of DNA Methylation of Imprinted Genes in Arabidopsis Endosperm

Determination of DNA Methylation of Imprinted Genes in Arabidopsis Endosperm

Published on: January 28, 2011

[DNA methylation regulating factors in plants].

Han Xia¹, Mei-Qin Liu, Wei-Lun Yin

¹College of Biological Sciences and Biotechnology, Beijing Forestry University, Key Laboratory for Genetics and Breeding of Forest Trees and Ornamental Plants, Ministry of Education, Beijing 100083, China. coldxia@126.com

Yi Chuan = Hereditas

|April 22, 2008

Summary

DNA methylation, an epigenetic process, is regulated by various factors in plants. This review details how DNA methyltransferases establish and maintain methylation, and how DNA glycosylases remove it, impacting gene expression.

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Last Updated: Jul 5, 2026

Determination of DNA Methylation of Imprinted Genes in Arabidopsis Endosperm

Determination of DNA Methylation of Imprinted Genes in Arabidopsis Endosperm

Published on: January 28, 2011

Investigating Interactions Between Histone Modifying Enzymes and Transcription Factors in vivo by Fluorescence Resonance Energy Transfer

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Published on: October 14, 2022

Immunostaining for DNA Modifications: Computational Analysis of Confocal Images

Immunostaining for DNA Modifications: Computational Analysis of Confocal Images

Published on: September 7, 2017

Area of Science:

Epigenetics
Plant Genomics
Molecular Biology

Context:

DNA methylation is a crucial epigenetic modification regulating plant genome function.
Multiple interacting factors control the establishment and maintenance of DNA methylation patterns.

Purpose:

To review the functions and interactions of DNA methylation regulating factors.
To elucidate the mechanisms of DNA methylation establishment, maintenance, and removal in plants.

Summary:

Cytosine methyltransferases are specific to different methylation sites, influencing chromatin structure.
Chromatin remodeling enzymes and histone modifiers interact with DNA methylation pathways.
DNA glycosylases play a role in removing DNA methylation, thereby alleviating gene silencing.

Impact:

Provides a comprehensive overview of DNA methylation regulation in plants.
Highlights the interplay between DNA methylation and chromatin modification.
Offers insights into epigenetic mechanisms controlling gene expression in plants.