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Updated: Jan 12, 2026

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[Epigenetics and precise crop breeding for resistance].

Dingtian Yu1,2, Chengguo Duan1,2

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Sheng Wu Gong Cheng Xue Bao = Chinese Journal of Biotechnology
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Plant epigenetics, including DNA methylation and histone modification, influences key traits and stress responses. Advanced tools like CRISPR-dCas9 and new delivery systems offer precise epigenetic editing for sustainable agriculture.

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epigenetic modificationsepigenome editingfuture agricultureplant developmentplant immunity

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Area of Science:

  • Plant Science
  • Genetics
  • Molecular Biology

Background:

  • Epigenetics involves heritable gene expression changes without altering DNA sequence.
  • Mechanisms include DNA methylation, histone modification, and non-coding RNAs.
  • Plant epigenetics impacts flowering, reproduction, stress, and immunity.

Purpose of the Study:

  • To review epigenetic mechanisms in plants.
  • To explore their role in biotic and abiotic stress responses.
  • To discuss advanced epigenetic editing tools and future applications in agriculture.

Main Methods:

  • Review of current literature on plant epigenetics.
  • Integration of knowledge on epigenetic regulatory mechanisms.
  • Discussion of epigenetic editing tools (CRISPR-dCas9) and delivery systems (nanoparticles, viral vectors).

Main Results:

  • Epigenetic modifications are crucial for plant development and stress adaptation.
  • Research has expanded from model plants to crops like rice and tomato.
  • CRISPR-dCas9 enables targeted epigenetic modifications.
  • New delivery technologies address plant regeneration challenges.

Conclusions:

  • Epigenetic regulation plays a vital role in shaping agronomic traits.
  • Precise epigenetic editing holds promise for crop improvement.
  • Future research should focus on single-cell level analysis, efficient delivery, and AI for epigenetic breeding.