Arabidopsis Proteins JL5DK93RCL Journal Article Melatonin ROS Reactive Oxygen Species 1,3-dihydroxy-4,4,5,5-tetramethyl-2-(4-carboxyphenyl)tetrahydroimidazole 145757-47-7 31C4KY9ESH Antioxidants Arabidopsis thaliana BBX060AN9V EC 2.4.1.- Flavonoids GPA1 protein, Arabidopsis GTP-Binding Protein alpha Subunits Gibberellins Hydrogen Peroxide N-Acetylglucosaminyltransferases Nitric Oxide Nitric oxide PMTR1 Plant Growth Regulators Research Support, Non-U.S. Gov't SECRET AGENT protein, Arabidopsis Stomatal closure flowering hypocotyl phytomelatonin stomatal closure