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Related Experiment Video

Updated: Mar 19, 2026

The Use of High-resolution Infrared Thermography HRIT for the Study of Ice Nucleation and Ice Propagation in Plants
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Epigenetic memory and systemic priming: an emerging framework for cold-resilient crops.

Umair Hassan1, Mohamed Ali Eweda1, Ayesha Kabir2

  • 1Zhejiang Key Laboratory of Crop Germplasm Innovation and Utilization, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China.

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|March 18, 2026
PubMed
Summary
This summary is machine-generated.

Climate change increases cold stress. Understanding plant cold acclimation pathways, from sensors to systemic signals, is key for biotechnological solutions to improve crop yields and sustainability.

Keywords:
Bio stimulantsCBF regulonClimate resilienceCold acclimationEpigenetic regulationGreen leaf volatilesSustainable agriculture

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Area of Science:

  • Plant Science
  • Molecular Biology
  • Biotechnology

Background:

  • Climate change exacerbates unseasonal low-temperature stress in plants.
  • Understanding cold acclimation mechanisms is crucial for developing resilient crops.

Purpose of the Study:

  • To synthesize the hierarchical signaling network mediating plant cold acclimation.
  • To explore epigenetic mechanisms and systemic priming in stress response.
  • To evaluate biotechnological applications for enhancing crop cold tolerance.

Main Methods:

  • Review of existing literature on plant cold acclimation pathways.
  • Analysis of signaling networks from plasma membrane rigidification to transcriptional hubs.
  • Examination of epigenetic modifications (DNA methylation, histone modifications) and mobile signals (miPEPs, GLVs).

Main Results:

  • A hierarchical signaling network involving CBL-CIPK sensors, ICE1-CBF-COR hub, and WRKY-phytohormone layer is proposed.
  • Epigenetic mechanisms contribute to transcriptional plasticity and stress memory.
  • Systemic priming via mobile signals like miPEPs and GLVs enhances resilience in distal tissues.

Conclusions:

  • Decoding the cold acclimation circuitry offers avenues for enhancing crop cold tolerance.
  • Biotechnological tools like CRISPR-mediated epigenome editing and GLV-based bio-priming show promise for stabilizing yields and food system sustainability.