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Mitochondrial small heat-shock protein protects citrate synthase, mitochondria and pollen at high temperature

Liu Jian, Mariko Shono

Department of Biology,Shandong Normal University.Jinan 250014,Shandong

Abstract

The results indicated that mitohcondrial small heat-shock protein protected mitochondria from heat damage. Furthermore, the germination ratio of transgenic tobacco pollen at high temperature was higher than that of normal tobacco pollen, suggesting that the expression of mitochondrial small heat-shock protein increased the heat tolerance of not only mitochondria but also plant cell as whole.

Key words: Mitochondria;Small heat-shock protein;Citrate synthase;Oxidative phosphorylation;Pollen germination;Heat tolerance

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Citing This Article：

Liu Jian, Mariko Shono. Mitochondrial small heat-shock protein protects citrate synthase, mitochondria and pollen at high temperature. Acta Physiol Sin 2001; 53 (5): (in Chinese with English abstract).