Heat shock-induced biphasic Ca(2+) signature and OsCaM1-1 nuclear localization mediate downstream signalling in acquisition of thermotolerance in rice (Oryza sativa L.).

@article{Wu2012HeatSB,
  title={Heat shock-induced biphasic Ca(2+) signature and OsCaM1-1 nuclear localization mediate downstream signalling in acquisition of thermotolerance in rice (Oryza sativa L.).},
  author={Hui-Chen Wu and Dan-Li Luo and Florence Vignols and Tsung-Luo Jinn},
  journal={Plant, cell & environment},
  year={2012},
  volume={35 9},
  pages={1543-57}
}
We investigated heat shock (HS)-triggered Ca(2+) signalling transduced by a Ca(2+) sensor, calmodulin (CaM), linked to early transcriptome changes of HS-responsive genes in rice. We observed a biphasic [Ca(2+) ](cyt) signature in root cells that was distinct from that in epicotyl and leaf cells, which showed a monophasic response after HS. Treatment with Ca(2+) and A23187 generated an intense and sustained increase in [Ca(2+) ](cyt) in response to HS. Conversely, treatment with Ca(2+) chelator… CONTINUE READING

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