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Related Experiment Video

Updated: Jan 13, 2026

Assessing the Particulate Matter Removal Abilities of Tree Leaves
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The leaves fall, yet the tree endures.

Miloslava Fojtová1,2, Petra Procházková Schrumpfová1,2, Jiří Fajkus3,4

  • 1Mendel Centre for Plant Genomics and Proteomics, CEITEC - Central European Institute of Technology, Masaryk University, Brno, 625 00, Czech Republic.

Cellular and Molecular Life Sciences : CMLS
|October 28, 2025
PubMed
Summary

Plant aging involves module senescence but overall longevity due to modularity and active meristems. Epigenetic regulation, not just telomere length, is key to plant aging and lifespan.

Keywords:
EpigeneticsMeristemPlant agingPlant senescenceTelomere biology

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Area of Science:

  • Plant Biology
  • Molecular Biology
  • Genetics

Background:

  • Plants exhibit remarkable longevity despite module-specific senescence.
  • Modular architecture and active meristems contribute to plant lifespan.
  • Telomere length's role in plant aging is debated due to persistent telomerase activity.

Purpose of the Study:

  • To challenge assumptions about plant aging and senescence.
  • To integrate insights from telomere biology and epigenetic regulation.
  • To provide a refined framework for understanding plant aging and longevity.

Main Methods:

  • Critical review of existing literature on plant aging.
  • Examination of telomere biology and epigenetic regulation mechanisms.
  • Synthesis of how chromatin-level mechanisms interact with developmental and environmental factors.

Main Results:

  • Telomere length's role in plant replicative lifespan is often overstated.
  • Epigenetic landscape (DNA methylation, histone modifications, ncRNAs) dynamically orchestrates senescence.
  • Chromatin mechanisms interact with cues to regulate genome stability, transcription, and longevity.

Conclusions:

  • Epigenetic regulation is a more significant driver of plant aging than previously thought.
  • Understanding epigenetic pathways offers opportunities to enhance crop resilience and lifespan.
  • Integrating chromosomal and epigenetic processes refines the conceptual framework for plant aging.