Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At2g37090	Involved in the synthesis of the hemicellulose glucuronoxylan, a major component of secondary cell walls.	Development and application of a suite of polysaccharide-degrading enzymes for analyzing plant cell walls.; 2006; DOI: 10.1073/pnas.0604632103; PMID: 16844780; https://pubmed.ncbi.nlm.nih.gov/16844780/ | Arabidopsis irregular xylem8 and irregular xylem9: implications for the complexity of glucuronoxylan biosynthesis.; 2007; DOI: 10.1105/tpc.106.049320; PMID: 17322407; https://pubmed.ncbi.nlm.nih.gov/17322407/ | The irregular xylem9 mutant is deficient in xylan xylosyltransferase activity.; 2007; DOI: 10.1093/pcp/pcm135; PMID: 17938130; https://pubmed.ncbi.nlm.nih.gov/17938130/ | Comparison of five xylan synthesis mutants reveals new insight into the mechanisms of xylan synthesis.; 2007; DOI: 10.1111/j.1365-313x.2007.03307.x; PMID: 17944810; https://pubmed.ncbi.nlm.nih.gov/17944810/ | The Arabidopsis family GT43 glycosyltransferases form two functionally nonredundant groups essential for the elongation of glucuronoxylan backbone.; 2010; DOI: 10.1104/pp.110.155309; PMID: 20335400; https://pubmed.ncbi.nlm.nih.gov/20335400/ | Analysis of the Arabidopsis IRX9/IRX9-L and IRX14/IRX14-L pairs of glycosyltransferase genes reveals critical contributions to biosynthesis of the hemicellulose glucuronoxylan.; 2010; DOI: 10.1104/pp.110.154971; PMID: 20424005; https://pubmed.ncbi.nlm.nih.gov/20424005/ | Arabidopsis family GT43 members are xylan xylosyltransferases required for the elongation of the xylan backbone.; 2012; DOI: 10.1093/pcp/pcr158; PMID: 22080591; https://pubmed.ncbi.nlm.nih.gov/22080591/ | Site-directed mutagenesis of IRX9, IRX9L and IRX14 proteins involved in xylan biosynthesis: glycosyltransferase activity is not required for IRX9 function in Arabidopsis.; 2014; DOI: 10.1371/journal.pone.0105014; PMID: 25118690; https://pubmed.ncbi.nlm.nih.gov/25118690/
Arabidopsis	At1g27600	Involved in the synthesis of the hemicellulose glucuronoxylan, a major component of secondary cell walls.	No verified direct reference in this release
Rice	Os03g0287800	Involved in the synthesis of glucuronoxylan hemicellulose in secondary cell walls.	No verified direct reference in this release
Rice	Os05g0123100	Probable beta-1,4-xylosyltransferase involved in xylan biosynthesis in cell walls.	Functional roles of rice glycosyltransferase family GT43 in xylan biosynthesis.; 2014; DOI: 10.4161/psb.27809; PMID: 24525904; https://pubmed.ncbi.nlm.nih.gov/24525904/
Rice	Os01g0675500	Probable beta-1,4-xylosyltransferase involved in xylan biosynthesis in cell walls.	Three Novel Rice Genes Closely Related to the Arabidopsis IRX9, IRX9L, and IRX14 Genes and Their Roles in Xylan Biosynthesis.; 2013; DOI: 10.3389/fpls.2013.00083; PMID: 23596448; https://pubmed.ncbi.nlm.nih.gov/23596448/