Regulation of Arabidopsis leaf hydraulics involves light-dependent phosphorylation of aquaporins in veins.

@article{Prado2013RegulationOA,
  title={Regulation of Arabidopsis leaf hydraulics involves light-dependent phosphorylation of aquaporins in veins.},
  author={Karine Prado and Yann Boursiac and Colette Tournaire-Roux and Jean-Marc Monneuse and Olivier Postaire and Olivier Da Ines and Anton R. Sch{\"a}ffner and Sonia Hem and V{\'e}ronique Santoni and Christophe Maurel},
  journal={The Plant cell},
  year={2013},
  volume={25 3},
  pages={1029-39}
}
The water status of plant leaves depends on the efficiency of the water supply, from the vasculature to inner tissues. This process is under hormonal and environmental regulation and involves aquaporin water channels. In Arabidopsis thaliana, the rosette hydraulic conductivity (Kros) is higher in darkness than it is during the day. Knockout plants showed that three plasma membrane intrinsic proteins (PIPs) sharing expression in veins (PIP1;2, PIP2;1, and PIP2;6) contribute to rosette water… CONTINUE READING
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