Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At4g33950	May activate ABA signaling and participate in stomatal closure under drought, darkness and high CO₂.	Use of infrared thermal imaging to isolate Arabidopsis mutants defective in stomatal regulation.; 2002; DOI: 10.1046/j.1365-313x.2002.01322.x; PMID: 12047634; https://pubmed.ncbi.nlm.nih.gov/12047634/ | Arabidopsis OST1 protein kinase mediates the regulation of stomatal aperture by abscisic acid and acts upstream of reactive oxygen species production.; 2002; DOI: 10.1105/tpc.007906; PMID: 12468729; https://pubmed.ncbi.nlm.nih.gov/12468729/ | ABA-activated SnRK2 protein kinase is required for dehydration stress signaling in Arabidopsis.; 2002; DOI: 10.1093/pcp/pcf188; PMID: 12514244; https://pubmed.ncbi.nlm.nih.gov/12514244/ | Cytoplasmic alkalization precedes reactive oxygen species production during methyl jasmonate- and abscisic acid-induced stomatal closure.; 2004; DOI: 10.1104/pp.103.032250; PMID: 15064385; https://pubmed.ncbi.nlm.nih.gov/15064385/ | The regulatory domain of SRK2E/OST1/SnRK2.6 interacts with ABI1 and integrates abscisic acid (ABA) and osmotic stress signals controlling stomatal closure in Arabidopsis.; 2006; DOI: 10.1074/jbc.m509820200; PMID: 16365038; https://pubmed.ncbi.nlm.nih.gov/16365038/ | The identification of genes involved in the stomatal response to reduced atmospheric relative humidity.; 2006; DOI: 10.1016/j.cub.2006.03.028; PMID: 16682349; https://pubmed.ncbi.nlm.nih.gov/16682349/ | Identification of features regulating OST1 kinase activity and OST1 function in guard cells.; 2006; DOI: 10.1104/pp.106.079327; PMID: 16766677; https://pubmed.ncbi.nlm.nih.gov/16766677/ | Plant stomata function in innate immunity against bacterial invasion.; 2006; DOI: 10.1016/j.cell.2006.06.054; PMID: 16959575; https://pubmed.ncbi.nlm.nih.gov/16959575/ | Ozone-triggered rapid stomatal response involves the production of reactive oxygen species, and is controlled by SLAC1 and OST1.; 2010; DOI: 10.1111/j.1365-313x.2010.04159.x; PMID: 20128877; https://pubmed.ncbi.nlm.nih.gov/20128877/
Arabidopsis	At5g66880	Together with SRK2D, key component and activator of the abscisic acid (ABA) signaling pathway that regulates numerous ABA responses, such as seed germination, Pro accumulation, root growth inhibition, dormancy and seedling growth, and, to a lesser extent, stomatal closure.	Identification of two protein kinases required for abscisic acid regulation of seed germination, root growth, and gene expression in Arabidopsis.; 2007; DOI: 10.1105/tpc.106.048538; PMID: 17307925; https://pubmed.ncbi.nlm.nih.gov/17307925/
Rice	Os03g0610900	May play a role in signal transduction of hyperosmotic response.	ABA Regulates Subcellular Redistribution of OsABI-LIKE2, a Negative Regulator in ABA Signaling, to Control Root Architecture and Drought Resistance in Oryza sativa.; 2015; DOI: 10.1093/pcp/pcv154; PMID: 26491145; https://pubmed.ncbi.nlm.nih.gov/26491145/
Rice	Os12g0586100	May play a role in signal transduction of hyperosmotic response (Probable).	No verified direct reference in this release
Rice	Os03g0764800	May play a role in signal transduction of hyperosmotic response (Probable).	ABA Regulates Subcellular Redistribution of OsABI-LIKE2, a Negative Regulator in ABA Signaling, to Control Root Architecture and Drought Resistance in Oryza sativa.; 2015; DOI: 10.1093/pcp/pcv154; PMID: 26491145; https://pubmed.ncbi.nlm.nih.gov/26491145/