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Updated: Jun 6, 2026

Development of Targeting Induced Local Lesions IN Genomes (TILLING) Populations in Small Grain Crops by Ethyl Methanesulfonate Mutagenesis
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Published on: July 16, 2019

Exploring and exploiting epigenetic variation in crops.

Graham J King1, Stephen Amoah, Smita Kurup

  • 1Rothamsted Research, Harpenden, AL5 2JQ, UK. Graham.king@bbsrc.ac.uk

Genome
|November 16, 2010
PubMed
Summary
This summary is machine-generated.

Epigenetic variation, particularly DNA methylation, influences plant traits and gene regulation. Harnessing these epigenetic mechanisms offers a promising strategy for enhancing crop genetic improvement and developing more resilient crops.

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Area of Science:

  • Plant Epigenetics and Genomics
  • Crop Improvement and Breeding

Background:

  • Epigenetic variation plays a crucial role in modulating plant gene regulation and phenotype.
  • DNA methylation is a key epigenetic mark contributing to epiallelic diversity and gene regulation.

Purpose of the Study:

  • To review mechanisms of epigenetic variation in plant gene regulation and phenotype.
  • To explore harnessing epigenetic processes for crop genetic improvement.
  • To focus on DNA methylation's role in epiallelic diversity and crop trait modulation.

Main Methods:

  • Review of current literature on epigenetic mechanisms in plants.
  • Analysis of whole genome surveys identifying DNA methylation distribution.
  • Discussion of methyltransferase functions and their role in modulating DNA methylation.

Main Results:

  • Epigenetic marks are prevalent in eukaryote developmental processes and relevant to crop traits.
  • Specific characteristics of DNA methylation distribution in plant genomes have been identified.
  • Understanding methyltransferases offers opportunities to modulate DNA methylation for crop improvement.

Conclusions:

  • Modulating DNA methylation status at specific loci is a viable intervention strategy for crop genetic improvement.
  • Induced epiallelic variation presents alternative approaches for crop enhancement.
  • Brassica crops serve as a model for studying epigenetic variation due to their plasticity and polyploidy.