Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At2g45620	UTP:RNA uridylyltransferase with a marked preference for uridine polymerization and a distributive activity for the first added nucleotides.	Uridylation prevents 3' trimming of oligoadenylated mRNAs.; 2013; DOI: 10.1093/nar/gkt465; PMID: 23748567; https://pubmed.ncbi.nlm.nih.gov/23748567/ | Synergistic and independent actions of multiple terminal nucleotidyl transferases in the 3' tailing of small RNAs in Arabidopsis.; 2015; DOI: 10.1371/journal.pgen.1005091; PMID: 25928341; https://pubmed.ncbi.nlm.nih.gov/25928341/ | Distinct and cooperative activities of HESO1 and URT1 nucleotidyl transferases in microRNA turnover in Arabidopsis.; 2015; DOI: 10.1371/journal.pgen.1005119; PMID: 25928405; https://pubmed.ncbi.nlm.nih.gov/25928405/ | Uridylation and PABP Cooperate to Repair mRNA Deadenylated Ends in Arabidopsis.; 2016; DOI: 10.1016/j.celrep.2016.02.060; PMID: 26972004; https://pubmed.ncbi.nlm.nih.gov/26972004/ | A genetics screen highlights emerging roles for CPL3, RST1 and URT1 in RNA metabolism and silencing.; 2019; DOI: 10.1038/s41477-019-0419-7; PMID: 31076735; https://pubmed.ncbi.nlm.nih.gov/31076735/ | The TUTase URT1 connects decapping activators and prevents the accumulation of excessively deadenylated mRNAs to avoid siRNA biogenesis.; 2021; DOI: 10.1038/s41467-021-21382-2; PMID: 33637717; https://pubmed.ncbi.nlm.nih.gov/33637717/