The role of Arabidopsis AtFes1A in cytosolic Hsp70 stability and abiotic stress tolerance.

  title={The role of Arabidopsis AtFes1A in cytosolic Hsp70 stability and abiotic stress tolerance.},
  author={Jing-Xia Zhang and Cui Wang and Chuan-Yan Yang and Jia-Ying Wang and Lei Chen and Xiao-ming Bao and Yan-xiu Zhao and Hui Zhang and Jian Liu},
  journal={The Plant journal : for cell and molecular biology},
  volume={62 4},
AtFes1A is induced by high temperatures, and encodes a protein containing the armadillo repeat motif. Little is known about its biological function, however. In this study, we observed an increased heat-sensitive phenotype in atfes1a mutants, suggesting the involvement of AtFes1A in acquired thermotolerance. We found that AtFes1A is cytosolic and associates with cytosolic Hsp70. Loss of AtFes1A leads to a selective reduction of cytosolic Hsp70 and a global increase in heat shock transcription… CONTINUE READING
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