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Updated: Jul 17, 2025

Monitoring Plant Hormones During Stress Responses
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Monitoring Plant Hormones During Stress Responses

Published on: June 15, 2009

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环境梯度揭示了压力中心,这些压力中心早于植物地球化

Armin Dadras1, Janine M R Fürst-Jansen1,2, Tatyana Darienko1

  • 1Institute of Microbiology and Genetics, Department of Applied Bioinformatics, University of Goettingen, Goettingen, Germany.

Nature plants
|August 28, 2023
PubMed
概括

这项研究表明,古代藻类,如Mesotaenium endlicherianum,拥有类似于陆地植物的压力反应的遗传网络. 这些发现突出了植物地球化之前保存的分子程序.

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Stress triggers a coordinated physiological response involving the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis. This dual activation ensures that the body is prepared for both immediate and prolonged stress management. The process begins with the perception of a stressor. This initial phase activates the SNS, leading to the rapid release of adrenaline (epinephrine) from the adrenal glands.
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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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Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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