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The role of different plant seedling shoots mitochondrial uncoupling systems in thermogenesis during low-temperature stress |
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| Authors: | O. I. Grabelnych A. V. Kolesnichenko T. P. Pobezhimova V. V. Tourchaninova A. M. Korzun N. A. Koroleva V. V. Zykova V. K. Voinikov |
| Affiliation: | Siberian Institute of Plant Physiology and Biochemistry, Siberian Division of Russian Academy of Sciences, Irkutsk, P.O. Box 1243, Irkutsk-33, 664033, Russia |
| Abstract: | A difference was found between the temperature of control and heat-treated winter wheat and pea seedlings shoots during low temperature stress. Functioning of three thermogenic mitochondrial systems was established: (i) alternative cyanide-resistant oxidase, (ii) plant uncoupling mitochondrial protein and (iii) stress protein CSP 310 and these three caused the higher temperature of winter wheat control shoots. In peas only two thermogenic systems, the alternative cyanide-resistant oxidase and plant uncoupling mitochondrial proteins were found. |
| Keywords: | Triticum aestivum Pisum sativum Alternative oxidase Plant uncoupling mitochondrial protein Cold shock protein 310 kD Mitochondria Thermogenesis Low temperature stress |
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