Drought-Enhanced Xylem Sap Sulfate Closes Stomata by Affecting ALMT12 and Guard Cell ABA Synthesis.

@article{Malcheska2017DroughtEnhancedXS,
  title={Drought-Enhanced Xylem Sap Sulfate Closes Stomata by Affecting ALMT12 and Guard Cell ABA Synthesis.},
  author={Frosina Malcheska and Altaf Ahmad and Sundas Batool and Heike M. M{\"u}ller and Jutta Ludwig-M{\"u}ller and J{\"u}rgen Kreuzwieser and D{\"o}rte Randewig and Robert Haensch and Ralf R. Mendel and Ruediger Hell and Markus Wirtz and Dietmar Geiger and Peter Ache and Rainer Hedrich and Cornelia Herschbach and Heinz Rennenberg},
  journal={Plant physiology},
  year={2017},
  volume={174 2},
  pages={798-814}
}
Water limitation of plants causes stomatal closure to prevent water loss by transpiration. For this purpose, progressing soil water deficit is communicated from roots to shoots. Abscisic acid (ABA) is the key signal in stress-induced stomatal closure, but ABA as an early xylem-delivered signal is still a matter of debate. In this study, poplar plants (Populus × canescens) were exposed to water stress to investigate xylem sap sulfate and ABA, stomatal conductance, and sulfate transporter (SULTR… CONTINUE READING
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