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During drought, plants reduce the loss of water vapor, by closure of stomatal pores in the leaf surface. This response is controlled by guard cells that surround the pore and sense the drought hormone Abscisic Acid (ABA). We observed that stomata close faster, if calcium signals are evoked in guard cells during closure of the stomata. Calcium signals in guard cells thus enhance the efficiency by which ABA closes stomatal pores.
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This page is a summary of: Ca
2+
signals in guard cells enhance the efficiency by which
ABA
triggers stomatal closure, New Phytologist, June 2019, Wiley,
DOI: 10.1111/nph.15985.
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