COP1 Jointly Modulates Cytoskeletal Processes and Electrophysiological Responses Required for Stomatal Closure

@inproceedings{Khanna2014COP1JM,
  title={COP1 Jointly Modulates Cytoskeletal Processes and Electrophysiological Responses Required for Stomatal Closure},
  author={Rajnish Khanna and Junlin Li and T. S. Tseng and Julian I Schroeder and David W Ehrhardt and Winslow R. Briggs},
  booktitle={Molecular plant},
  year={2014}
}
Reorganization of the cortical microtubule cytoskeleton is critical for guard cell function. Here, we investigate how environmental and hormonal signals cause these rearrangements and find that COP1, a RING-finger-type ubiquitin E3 ligase, is required for degradation of tubulin, likely by the 26S proteasome. This degradation is required for stomatal closing. In addition to regulating the cytoskeleton, we show that cop1 mutation impaired the activity of S-type anion channels, which are critical… CONTINUE READING
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Activation of dimeric ABA receptors elicits guard cell closure, ABA-regulated gene expression, and drought tolerance.

Proceedings of the National Academy of Sciences of the United States of America • 2013
View 1 Excerpt

Mutations in the SLAC 1 anion channel slow stomatal opening and severely reduce K + uptake channel activity via enhanced cytosolic [ Ca 2 + ] and increased Ca 2 + sensitivity of K + uptake channels

K. Laanemets, F. WangY., +7 authors K. Kilk
New Phytol • 2013

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