Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At4g34890	Key enzyme involved in purine catabolism.	Tandem orientation of duplicated xanthine dehydrogenase genes from Arabidopsis thaliana: differential gene expression and enzyme activities.; 2004; DOI: 10.1074/jbc.m312929200; PMID: 14726515; https://pubmed.ncbi.nlm.nih.gov/14726515/ | The plant Mo-hydroxylases aldehyde oxidase and xanthine dehydrogenase have distinct reactive oxygen species signatures and are induced by drought and abscisic acid.; 2005; DOI: 10.1111/j.1365-313x.2005.02422.x; PMID: 15941399; https://pubmed.ncbi.nlm.nih.gov/15941399/ | The RNAi-mediated silencing of xanthine dehydrogenase impairs growth and fertility and accelerates leaf senescence in transgenic Arabidopsis plants.; 2007; DOI: 10.1093/pcp/pcm119; PMID: 17872919; https://pubmed.ncbi.nlm.nih.gov/17872919/ | A critical role for ureides in dark and senescence-induced purine remobilization is unmasked in the Atxdh1 Arabidopsis mutant.; 2008; DOI: 10.1111/j.1365-313x.2008.03440.x; PMID: 18266920; https://pubmed.ncbi.nlm.nih.gov/18266920/ | Xanthine dehydrogenase AtXDH1 from Arabidopsis thaliana is a potent producer of superoxide anions via its NADH oxidase activity.; 2010; DOI: 10.1007/s11103-009-9570-2; PMID: 19915948; https://pubmed.ncbi.nlm.nih.gov/19915948/
Arabidopsis	At4g34900	Key enzyme involved in purine catabolism.	The RNAi-mediated silencing of xanthine dehydrogenase impairs growth and fertility and accelerates leaf senescence in transgenic Arabidopsis plants.; 2007; DOI: 10.1093/pcp/pcm119; PMID: 17872919; https://pubmed.ncbi.nlm.nih.gov/17872919/
Rice	Os03g0429800	Key enzyme involved in purine catabolism.	No verified direct reference in this release