The cellular redox state in plant stress biology – A charging concept

Different redox-active compounds, such as ascorbate, glutathione, NAD(P)H and proteins from the thioredoxin superfamily, contribute to the general redox homeostasis in the plant cell. The myriad of interactions between redox-active compounds, and the effect of environmental parameters on them, has b...

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Bibliographic Details
Published in:Plant physiology and biochemistry 2010-05, Vol.48 (5), p.292-300
Main Authors: Potters, Geert, Horemans, Nele, Jansen, Marcel A.K.
Format: Article
Language:English
Subjects:
Adaptation, Physiological
Antioxidants - metabolism
Ascorbate
Environment
Glutathione
Homeostasis
NAD(P)H
Oxidation-Reduction
Oxidative Stress
Plant Cells
Plants - metabolism
Redox signalling
Redox state
Signal Transduction
Stress
Thioredoxin
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Summary:Different redox-active compounds, such as ascorbate, glutathione, NAD(P)H and proteins from the thioredoxin superfamily, contribute to the general redox homeostasis in the plant cell. The myriad of interactions between redox-active compounds, and the effect of environmental parameters on them, has been encapsulated in the concept of a cellular redox state. This concept has facilitated progress in understanding stress signalling and defence in plants. However, despite the proven usefulness of the concept of a redox state, there is no single, operational definition that allows for quantitative analysis and hypothesis testing.
ISSN:0981-9428
1873-2690
DOI:10.1016/j.plaphy.2009.12.007