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Related Concept Videos

Introduction to Stress and Lifestyle01:27

Introduction to Stress and Lifestyle

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Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
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Consider a structure made of a boom and a rod designed to support a load. These two components are connected by a pin and stabilized by brackets and pins. The boom and the rod are detached from their supports to assess the different stresses imposed on this structure, and a free-body diagram is drawn. Then, all the forces applied, including the load acting on the structure, are identified. The reaction forces exerted on both the boom and the rod are computed using the equilibrium equations.
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Updated: Sep 29, 2025

Author Spotlight: Unraveling Plant Responses to Abiotic Stresses Using the PlantScreen Robotic Platform
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Activating stress memory: eustressors as potential tools for plant breeding.

A L Villagómez-Aranda1, A A Feregrino-Pérez1, L F García-Ortega2

  • 1Biosystems Engineering Group. Engineering Faculty, Amazcala Campus, Autonomous University of Querétaro, Highway Chichimequillas s/n Km 1, Amazcala, El Marques, Querétaro, Mexico.

Plant Cell Reports
|March 19, 2022
PubMed
Summary

Plants utilize epigenetic mechanisms for stress survival and adaptation. Controlled use of beneficial stressors (eustressors) can enhance crop traits and stress tolerance through transgenerational memory.

Keywords:
EpigeneticEustressorsPlant breedingStress memory

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Area of Science:

  • Plant biology
  • Epigenetics
  • Agricultural science

Background:

  • Plants possess sophisticated survival strategies including phenotypic plasticity, priming, and memory acquisition in response to continuous stress.
  • Epigenetic mechanisms are crucial for regulating gene expression and stress responses, enabling adaptable, stable, and heritable favorable phenotypes.
  • Climate change necessitates sustainable agricultural strategies to improve crop performance and resilience.

Purpose of the Study:

  • To explore the role of epigenetic mechanisms in plant stress response and adaptation.
  • To investigate the potential of eustressors in enhancing crop characteristics and stress tolerance.
  • To highlight the importance of stable epigenetic marks for transgenerational memory and plant priming.

Main Methods:

  • Review of current literature on plant stress responses and epigenetic regulation.
  • Analysis of the role of phenotypic plasticity, priming, and memory in plant survival.
  • Discussion on the application of eustressors in agriculture for breeding purposes.

Main Results:

  • Epigenetic mechanisms allow plants to modulate gene expression for improved stress tolerance.
  • Eustressors can be utilized to enhance desired plant traits and yield.
  • Stable epigenetic marks induced by eustressors can establish transgenerational memory, priming plants for future environmental challenges.

Conclusions:

  • Harnessing epigenetic mechanisms through controlled eustressor application offers a sustainable strategy for crop improvement.
  • Developing eustressors that establish stable epigenetic marks is key for breeding climate-resilient crops.
  • Transgenerational epigenetic memory is a vital tool for enhancing plant adaptation to changing environments.