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Related Concept Videos

Plant Hormones01:56

Plant Hormones

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Plant Hormones01:56

Plant Hormones

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Related Experiment Video

Updated: Jun 20, 2026

Wide-Field, Real-Time Imaging of Local and Systemic Wound Signals in Arabidopsis
06:50

Wide-Field, Real-Time Imaging of Local and Systemic Wound Signals in Arabidopsis

Published on: June 4, 2021

The wound hormone jasmonate.

Abraham J K Koo1, Gregg A Howe

  • 1Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, United States.

Phytochemistry
|August 22, 2009
PubMed
Summary
This summary is machine-generated.

Plants use the hormone jasmonate (JA) to respond to tissue damage. A specific receptor system triggers the degradation of repressor proteins, enabling adaptive responses to injury.

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Monitoring Plant Hormones During Stress Responses
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Last Updated: Jun 20, 2026

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Monitoring Plant Hormones During Stress Responses
11:01

Monitoring Plant Hormones During Stress Responses

Published on: June 15, 2009

Area of Science:

  • Plant biology
  • Molecular signaling
  • Biochemistry

Background:

  • Plant tissues face constant threats from herbivores, pathogens, and environmental stress.
  • Effective defense requires intricate signal transduction networks for adaptive responses.
  • The plant hormone jasmonate (JA) is crucial for mediating wound-induced adaptations.

Purpose of the Study:

  • To elucidate the molecular mechanisms underlying plant wound response signaling.
  • To investigate the role of jasmonate (JA) in mediating systemic wound responses.
  • To understand the receptor system involved in jasmonate perception and signal transduction.

Main Methods:

  • Analysis of plant signal transduction pathways.
  • Investigation of jasmonate (JA) synthesis and perception.
  • Studies on F-box protein-based receptor systems and protein degradation.

Main Results:

  • Jasmonate (JA) mediates systemic wound responses via cell-autonomous and non-autonomous pathways.
  • Bioactive jasmonates (JAs) are recognized by an F-box protein receptor complex.
  • Hormone binding leads to ubiquitin-dependent degradation of transcriptional repressors.

Conclusions:

  • A framework is established for understanding plant recognition and response to tissue injury.
  • The F-box protein receptor system is key to jasmonate (JA)-mediated defense.
  • This research clarifies how plants integrate damage signals for survival.