AtFes1A is Essential for Highly Efficient Molecular Chaperone Function in Arabidopsis

文献类型： 外文期刊

第一作者： Fu, Can

作者： Fu, Can;Liu, Xiaxia;Yang, Wenwen;Yu, Hongbin;Liu, Jian;Zhang, Jingxia

作者机构：

关键词： AtFes1A;Firefly luciferase;Heat shock protein 70;Molecular chaperone

期刊名称：JOURNAL OF PLANT BIOLOGY （ 影响因子：2.434； 五年影响因子：2.455 ）

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年卷期：

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收录情况： SCI

摘要： AtFes1A is a co-chaperone of heat shock protein 70 (Hsp70), which is a key component of plant molecular chaperone systems. Plants without AtFes1A generally present defective thermotolerance. However, the underlying mechanism of this molecule has remained elusive. In the present study, we used thermolabile firefly luciferase as a molecular reporter to evaluate the efficiency of the plant molecular chaperone system. Renaturation of firefly luciferase in atfes1a mutants lagged far behind that of wild-type (WT) plants. In contrast, in vitro AtFes1A did not affect renaturation of firefly luciferase, whereas Hsp70 did significantly. We propose that AtFes1A is indirectly involved in plant molecular chaperone systems.

分类号： Q94

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