Effect of triethanolamine and silatranes on thermotolerance and accumulation of stress proteins in pea seedlings |
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| Authors: | A M Shigarova N E Korotaeva G B Borovskii M G Voronkov |
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| Institution: | 1. Siberian Institute of Plant Physiology and Biochemistry, Siberian Branch, Russian Academy of Sciences, ul. Lermontova 132, Irkutsk, 664033, Russia
2. Favorskii institute of Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk, Russia
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| Abstract: | A capability of triethanolamine (TEA) and its organosilicon derivatives methyl-, chloromethyl-, and ethoxy silatrane (MS, CMS, and ES, respectively) in low and ultra-low concentrations (from 10?3 to 10?13 M) to increase pea (Pisum sativum L.) thermotolerance and the relation of this process with heat-shock protein (HSP) accumulation in the roots were studied. Low and ultra-low concentrations of CMS and MS improved seedling survival under conditions of the heat shock (45°C). This process was not accompanied by stress protein accumulation. ES and CMS affected seedling survival and HSP accumulation differently in dependence on the temperature and preparation concentration. |
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