Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At2g36310	Involved in purine and pyrimidine breakdown rather than in pyrimidine salvage, especially in response to dark stress.	Uridine-ribohydrolase is a key regulator in the uridine degradation pathway of Arabidopsis.; 2009; DOI: 10.1105/tpc.108.062612; PMID: 19293370; https://pubmed.ncbi.nlm.nih.gov/19293370/ | Arabidopsis nucleoside hydrolases involved in intracellular and extracellular degradation of purines.; 2011; DOI: 10.1111/j.1365-313x.2010.04455.x; PMID: 21235647; https://pubmed.ncbi.nlm.nih.gov/21235647/ | Arabidopsis thaliana nucleosidase mutants provide new insights into nucleoside degradation.; 2011; DOI: 10.1111/j.1469-8137.2011.03711.x; PMID: 21599668; https://pubmed.ncbi.nlm.nih.gov/21599668/ | AMP and GMP Catabolism in Arabidopsis Converge on Xanthosine, Which Is Degraded by a Nucleoside Hydrolase Heterocomplex.; 2019; DOI: 10.1105/tpc.18.00899; PMID: 30787180; https://pubmed.ncbi.nlm.nih.gov/30787180/
Arabidopsis	At1g05620	Involved in pyrimidine breakdown, especially in response to dark stress.	Arabidopsis nucleoside hydrolases involved in intracellular and extracellular degradation of purines.; 2011; DOI: 10.1111/j.1365-313x.2010.04455.x; PMID: 21235647; https://pubmed.ncbi.nlm.nih.gov/21235647/ | Arabidopsis thaliana nucleosidase mutants provide new insights into nucleoside degradation.; 2011; DOI: 10.1111/j.1469-8137.2011.03711.x; PMID: 21599668; https://pubmed.ncbi.nlm.nih.gov/21599668/ | AMP and GMP Catabolism in Arabidopsis Converge on Xanthosine, Which Is Degraded by a Nucleoside Hydrolase Heterocomplex.; 2019; DOI: 10.1105/tpc.18.00899; PMID: 30787180; https://pubmed.ncbi.nlm.nih.gov/30787180/
Rice	Os08g0557900	Involved in pyrimidine breakdown.	No verified direct reference in this release
Rice	Os09g0567900	Involved in pyrimidine breakdown.	No verified direct reference in this release