Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At4g30380	Might have a systemic role in water and solute homeostasis.	No verified direct reference in this release
Arabidopsis	At2g18660	Plays a systemic role in water and solute homeostasis.	Expansin-like molecules: novel functions derived from common domains.; 2002; DOI: 10.1007/s00239-001-0055-4; PMID: 11965432; https://pubmed.ncbi.nlm.nih.gov/11965432/ | AtPNP-A is a systemically mobile natriuretic peptide immunoanalogue with a role in Arabidopsis thaliana cell volume regulation.; 2004; DOI: 10.1016/s0014-5793(03)01384-x; PMID: 14706834; https://pubmed.ncbi.nlm.nih.gov/14706834/