HSP90 interacts with RAR1 and SGT1 and is essential for RPS2-mediated disease resistance in Arabidopsis.

@article{Takahashi2003HSP90IW,
  title={HSP90 interacts with RAR1 and SGT1 and is essential for RPS2-mediated disease resistance in Arabidopsis.},
  author={Akira Takahashi and Catarina Casais and Kazuya Ichimura and Ken Shirasu},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2003},
  volume={100 20},
  pages={11777-82}
}
RAR1 and its interacting partner SGT1 play a central role in plant disease resistance triggered by a number of resistance (R) proteins. We identified cytosolic heat shock protein 90 (HSP90), a molecular chaperone, as another RAR1 interacting protein by yeast two-hybrid screening. RAR1 interacts with the N-terminal half of HSP90 that contains the ATPase domain. HSP90 also specifically interacts with SGT1 that contains a tetratricopeptide repeat motif and a domain with similarity to the… CONTINUE READING
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