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. 1986 Nov;82(3):700–702. doi: 10.1104/pp.82.3.700

Lipid Peroxidation in Higher Plants 1

The Role of Glutathione Reductase

Arno Schmidt 1, Karl Josef Kunert 1,2
PMCID: PMC1056192  PMID: 16665095

Abstract

To study the role of glutathione reductase in lipid peroxidation, bean leaves (Phaseolus vulgaris) cv Fori were treated with the herbicide acifluorfen-sodium (sodium 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoic acid). Acifluorfen is a potent inducer of lipid peroxidation. In beans, decrease of acid-soluble SH-compounds and lipid peroxidation, measured as ethane evolution, were the toxic events after treatment of leaves with acifluorfen. As a primary response to peroxidation, increased production of antioxidants, such as vitamin C and glutathione, was found. This was followed by elevation of glutathione reductase activity. Enhanced activity of the enzyme prevented both further decline of acid-soluble SH-compounds and lipid peroxidation. Increased production of antioxidants and elevated activity of antioxidative enzymes, like glutathione reductase, seem to be a general strategy to limit toxic peroxidation in plants.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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