Arabidopsis Proteins Journal Article Potassium-Hydrogen Antiporters Research Support, Non-U.S. Gov't 31C4KY9ESH Arabidopsis Arabidopsis thaliana BCECF Drought stress EC 2.7.11.1 EC 3.6.5.1 Heterotrimeric G proteins Heterotrimeric GTP-Binding Proteins K+/H+ antiport KEA KEA K(+)/H(+) antiporters KEA1 protein, Arabidopsis Nitric Oxide Nitric oxide Photorespiration Plant defence Protein Serine-Threonine Kinases Protein–protein interaction Reactive Oxygen Species Reactive nitrogen species Reactive oxygen species Receptor-like kinases (RLKs) Stomata pH plastidial envelope