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Related Concept Videos

Epigenetic Regulation01:37

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 Regulation01:46

Epigenetic Regulation

Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Epigenetic Regulation01:46

Epigenetic Regulation

Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Overview of Transposition and Recombination02:13

Overview of Transposition and Recombination

Transposons make up a significant part of genomes of various organisms. Therefore, it is believed that transposition played a major evolutionary role in speciation by changing genome sizes and modifying gene expression patterns. For example, in bacteria, transposition can lead to conferring antibiotic resistance. Movement of transposable elements within the genetic pool of pathogenic bacteria can aid in transfer of antibiotic-resistant genetic elements. In eukaryotes, transposons can carry out...
Transgenic Plants02:50

Transgenic Plants

Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
Asexual Reproduction02:38

Asexual Reproduction

Asexual reproduction allows plants to reproduce without growing flowers, attracting pollinators, or dispersing seeds. Offspring are genetically identical to the parent and produced without the fusion of male and female gametes.

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Related Experiment Video

Updated: Jun 5, 2026

Detection of Histone Modifications in Plant Leaves
07:08

Detection of Histone Modifications in Plant Leaves

Published on: September 23, 2011

Epigenetic modifications in plants: an evolutionary perspective.

Suhua Feng1, Steven E Jacobsen

  • 1Department of Molecular, Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, CA 90095, USA.

Current Opinion in Plant Biology
|January 15, 2011
PubMed
Summary
This summary is machine-generated.

Plant epigenetic marks, like DNA methylation and histone modifications, regulate growth. This review explores conserved and divergent pathways for these marks across species.

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Last Updated: Jun 5, 2026

Detection of Histone Modifications in Plant Leaves
07:08

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Published on: September 23, 2011

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12:15

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Published on: November 23, 2011

Identification of Post-translational Modifications of Plant Protein Complexes
10:07

Identification of Post-translational Modifications of Plant Protein Complexes

Published on: February 22, 2014

Area of Science:

  • Plant biology
  • Epigenetics
  • Genomics

Background:

  • Plant genomes utilize epigenetic marks for growth and reproduction.
  • Epigenetic marks show both conservation and divergence across plants, animals, and fungi.
  • Understanding these marks is crucial for plant science.

Purpose of the Study:

  • To review the conservation and divergence of epigenetic mark pathways in plants.
  • To compare plant epigenetic mechanisms with those in animals and fungi.
  • To highlight the roles of DNA methylation and histone modifications.

Main Methods:

  • Comparative genomics analysis.
  • Literature review of recent studies.
  • Analysis of conserved and divergent enzymatic systems.

Main Results:

  • Identified conserved and unique epigenetic marks in plants.
  • Detailed patterns of DNA methylation and histone lysine methylation (H3K4, H3K9, H3K27).
  • Elucidated mechanisms of epigenetic mark establishment, maintenance, and function.

Conclusions:

  • Epigenetic pathways in plants exhibit significant conservation and divergence compared to other eukaryotes.
  • Enzymatic systems for epigenetic regulation show both conserved and divergent features.
  • Further research can leverage these insights for crop improvement and understanding plant development.