Stress CSP310 Protein Uncouples Oxidative Phosphorylation Otherwise than Other Plant Uncoupling Proteins Do

Stress CSP310 Protein Uncouples Oxidative Phosphorylation Otherwise than Other Plant Uncoupling... The addition of cold shock CSP310 protein to mitochondria isolated from both monocotyledonous (rye, wheat, and maize) and dicotyledonous (pea) plants uncoupled oxidation from phosphorylation. This uncoupling was caused neither by the damage to mitochondrial membranes nor by the activation of alternative cyanide-resistant oxidase. As distinct from the classical plant uncoupling mitochondrial protein (PUMP), CSP310 uncoupling effect was insensitive to BSA. Therefore, we believe that the mechanism of CSP310 action differs from that of known plant uncoupling proteins. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Stress CSP310 Protein Uncouples Oxidative Phosphorylation Otherwise than Other Plant Uncoupling Proteins Do

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2003 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1023/A:1022929315754
Publisher site
See Article on Publisher Site

Abstract

The addition of cold shock CSP310 protein to mitochondria isolated from both monocotyledonous (rye, wheat, and maize) and dicotyledonous (pea) plants uncoupled oxidation from phosphorylation. This uncoupling was caused neither by the damage to mitochondrial membranes nor by the activation of alternative cyanide-resistant oxidase. As distinct from the classical plant uncoupling mitochondrial protein (PUMP), CSP310 uncoupling effect was insensitive to BSA. Therefore, we believe that the mechanism of CSP310 action differs from that of known plant uncoupling proteins.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Oct 17, 2004

References

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