The Percentage of Cytoskeleton-Bound Polysomes as Affected by the Physiological Condition of Plant Cells |
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Authors: | Kulikova A L Kulikov A Yu Erokhina M A Klyachko N L |
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Institution: | (1) Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya ul. 35, Moscow, 127276, Russia |
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Abstract: | The effects of illumination, temperature, deficiency of water or oxygen, phytohormones, and seedling age on the proportion of cytoskeleton-bound polysomes (CBP) in plant tissues were studied. This proportion was shown to vary depending on factors affecting protein synthesis: it decreased under the influence of factors inhibiting protein synthesis and reducing the relative content of polysomes in tissues (oxygen and water deficiencies, seedling aging) and vice versaincreased under the influence of the factors promoting translation (cytokinin, light). The significance of reversible polysome attachment to the cytoskeleton as a mechanism controlling protein synthesis is discussed. |
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Keywords: | Triticum aestivum Vicia faba Cucurbita pepo cytoskeleton polysomes protein synthesis |
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