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Updated: May 13, 2025

Development of Targeting Induced Local Lesions IN Genomes TILLING Populations in Small Grain Crops by Ethyl Methanesulfonate Mutagenesis
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Epigenetic perspectives on wheat speciation, adaptation, and development.

Xuemei Liu1, Dongzhi Wang2, Zhaoheng Zhang1

  • 1Laboratory of Advanced Breeding Technologies, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China.

Trends in Genetics : TIG
|May 10, 2025
PubMed
Summary
This summary is machine-generated.

Epigenetic mechanisms regulate gene expression in bread wheat (Triticum aestivum), influencing its evolution and agronomic traits. Understanding these epigenetic changes can improve wheat resilience and productivity.

Keywords:
adaptationbreedingdevelopmentepigeneticwheat speciation

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Area of Science:

  • Plant biology
  • Genetics
  • Agronomy

Background:

  • Bread wheat (Triticum aestivum) exhibits a complex evolutionary history involving polyploidization, domestication, and adaptation.
  • Epigenetic mechanisms, such as DNA methylation and histone modifications, play a crucial role in regulating gene expression during these processes.

Purpose of the Study:

  • To review current knowledge on epigenetic regulation in wheat speciation, adaptation, and development.
  • To highlight the potential of epigenetics for crop improvement.

Main Methods:

  • This review synthesizes findings from multiomics studies.
  • It integrates research on DNA methylation, histone modification, chromatin accessibility, and noncoding RNAs.

Main Results:

  • Epigenomic reprogramming influences genome stability and subgenome differentiation in wheat.
  • Epigenetic mechanisms modulate key agronomic traits, including flowering time and environmental responses.

Conclusions:

  • Epigenetic variations offer a promising avenue for targeted breeding strategies in wheat.
  • Harnessing epigenetic insights can enhance wheat resilience and productivity in changing environments.