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Updated: May 30, 2026
03:35
Rapid Quantification of Oxidized and Reduced Forms of Glutathione Using Ortho -phthalaldehyde in Cultured Mammalian Cells In Vitro
Published on: June 28, 2024
Glutathione in plants: an integrated overview
Graham Noctor1, Amna Mhamdi, Sejir Chaouch
1Institut de Biologie des Plantes, UMR CNRS 8618, Université de Paris sud 11, Orsay cedex, France. graham.noctor@u-psud.fr
Plant, Cell & Environment
|July 23, 2011
Summary
Glutathione is essential for plant survival, playing key roles in development, detoxification, and redox balance. Recent research highlights its signaling functions and integration with metabolic and hormonal pathways, especially under stress.
Area of Science:
- Plant Biology
- Biochemistry
- Molecular Biology
Background:
- Glutathione (γ-glutamylcysteinylglycine) is indispensable for plant survival.
- Its precise roles in plant development beyond antioxidant functions are not fully understood.
- Glutathione is involved in biosynthesis, detoxification, and maintaining redox homeostasis.
Purpose of the Study:
- To review recent advances in understanding glutathione's functions in plants.
- To discuss glutathione's role in signal transduction, particularly under stress conditions.
- To explore the regulation and integration of glutathione in plant metabolism and signaling.
Main Methods:
- Literature review of recent advances in glutathione research.
- Discussion of glutathione's interaction with proteins via thiol-disulphide exchange.
- Analysis of glutathione's role in redox homeostasis and signaling.
Main Results:
- Glutathione acts as a critical signaling molecule due to its redox properties.
- Alterations in glutathione status during stress are linked to signal transduction cascades.
- Glutathione integrates with photorespiratory, respiratory, and phytohormone signaling pathways.
Conclusions:
- Glutathione's strategic position enables crucial signaling functions in plants.
- Understanding glutathione regulation and redox potential is key to plant stress responses.
- Glutathione finely tunes plant metabolism and hormone signaling through protein modification.
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