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Tomato Stomatal Closure Hormonal Regulation Case Study
Sep. 20, 2019
Courtesy ofPlant-DiTech Ltd
Show the tomato (Solanum lycopersicum) DELLA protein PROCERA (PRO), a negative regulator of GA signaling, acts in guard cells to promote stomatal closure and reduce water loss in response to water deficiency by increasing abscisic acid (ABA) sensitivity.
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Study Results:
The Tomato pro Mutant exhibits increased transpiration (measured byPlantarray).
The results indicate that DELLA promotes stomatal closure independently of its effect on growth.
Published article:
The Tomato DELLA Protein PROCERA Acts in Guard Cells to Promote Stomatal Closure
Nir et. Al., (2017) PlantCellDOI:10.1105/tpc.17.00542
