Email this article Melatonin inhibits peroxide production in plant mitochondria
- Authors: Butsanets P.A.1, Baik A.S.1, Shugaev A.G.1, Kuznetsov V.V.1
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Affiliations:
- K.A. Timiryazev Institute of Plant Physiology of the Russian Academy of Sciences
- Issue: Vol 489, No 2 (2019)
- Pages: 205-208
- Section: Biochemistry, biophysics, molecular biology
- URL: https://journals.eco-vector.com/0869-5652/article/view/17948
- DOI: https://doi.org/10.31857/S0869-56524892205-208
- ID: 17948
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Abstract
The effect of melatonin on respiration and production (release) of hydrogen peroxide during succinate oxidation in mitochondria isolated from lupine cotyledons and epicotyls of pea seedlings was studied. It has been shown for the first time that melatonin (10-7-10-3 M) had a significant inhibitory effect on the production of peroxide by plant mitochondria, which was characterized by concentration dependence and species specificity. At the same time, melatonin (at a concentration of up to 100 microns) had virtually no effect on mitochondrial respiration rate and respiratory control coefficient. The results confirm the antioxidant function of melatonin and indicate that it is involved in the regulation of ROS levels and maintenance of redox balance in plant mitochondria.
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About the authors
P. A. Butsanets
K.A. Timiryazev Institute of Plant Physiology of the Russian Academy of Sciences
Email: ag-shugaev@ifr.moscow
Russian Federation, 35, Botanicheskaya street, Moscow, 127276
A. S. Baik
K.A. Timiryazev Institute of Plant Physiology of the Russian Academy of Sciences
Email: ag-shugaev@ifr.moscow
Russian Federation, 35, Botanicheskaya street, Moscow, 127276
A. G. Shugaev
K.A. Timiryazev Institute of Plant Physiology of the Russian Academy of Sciences
Author for correspondence.
Email: ag-shugaev@ifr.moscow
Russian Federation, 35, Botanicheskaya street, Moscow, 127276
Vl. V. Kuznetsov
K.A. Timiryazev Institute of Plant Physiology of the Russian Academy of Sciences
Email: ag-shugaev@ifr.moscow
Corresponding Member of the Russian Academy of Sciences
Russian Federation, 35, Botanicheskaya street, Moscow, 127276References
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