Gene Symbol: IRX9
Description: Nucleotide-diphospho-sugar transferases superfamily protein
Alias: IRREGULAR XYLEM 9, T2N18.15, T2N18_15, Nucleotide-diphospho-sugar transferases superfamily protein
Species: thale cress

Top Publications

  1. Brown D, Zeef L, Ellis J, Goodacre R, Turner S. Identification of novel genes in Arabidopsis involved in secondary cell wall formation using expression profiling and reverse genetics. Plant Cell. 2005;17:2281-95 pubmed
    ..These genes are likely to define entirely novel processes in secondary cell wall formation and illustrate the success of combining expression data with reverse genetics to address gene function. ..
  2. Persson S, Caffall K, Freshour G, Hilley M, Bauer S, Poindexter P, et al. The Arabidopsis irregular xylem8 mutant is deficient in glucuronoxylan and homogalacturonan, which are essential for secondary cell wall integrity. Plant Cell. 2007;19:237-55 pubmed
  3. Peña M, Zhong R, Zhou G, Richardson E, O Neill M, Darvill A, et al. Arabidopsis irregular xylem8 and irregular xylem9: implications for the complexity of glucuronoxylan biosynthesis. Plant Cell. 2007;19:549-63 pubmed
    Mutations of Arabidopsis thaliana IRREGULAR XYLEM8 (IRX8) and IRX9 were previously shown to cause a collapsed xylem phenotype and decreases in xylose and cellulose in cell walls...
  4. Zhou G, Zhong R, Himmelsbach D, McPhail B, Ye Z. Molecular characterization of PoGT8D and PoGT43B, two secondary wall-associated glycosyltransferases in poplar. Plant Cell Physiol. 2007;48:689-99 pubmed
    ..of PoGT8D and PoGT43B exhibit 89 and 75% similarity to the Arabidopsis thaliana IRREGULAR XYLEM8 (IRX8) and IRX9, respectively, both of which have been shown to be required for GX biosynthesis...
  5. Lee C, Teng Q, Huang W, Zhong R, Ye Z. The Arabidopsis family GT43 glycosyltransferases form two functionally nonredundant groups essential for the elongation of glucuronoxylan backbone. Plant Physiol. 2010;153:526-41 pubmed publisher
    ..of family GT43 glycosyltransferases in the Arabidopsis (Arabidopsis thaliana) genome, and mutations of two of them, IRX9 and IRX14, have previously been shown to cause a defect in glucuronoxylan (GX) biosynthesis...
  6. Lee C, Zhong R, Ye Z. Arabidopsis family GT43 members are xylan xylosyltransferases required for the elongation of the xylan backbone. Plant Cell Physiol. 2012;53:135-43 pubmed publisher
    ..In this study, we investigated the enzymatic activities of two Arabidopsis thaliana GT43 members, IRX9 (Irregular Xylem9) and IRX14, which have been genetically shown to be non-redundantly involved in the elongation of ..
  7. Brown D, Goubet F, Wong V, Goodacre R, Stephens E, Dupree P, et al. Comparison of five xylan synthesis mutants reveals new insight into the mechanisms of xylan synthesis. Plant J. 2007;52:1154-68 pubmed
    ..We have studied the cell-wall phenotype of irx7, irx8 and irx9, three previously described irregular xylem (irx) mutants, and irx14 and parvus-3, which we now show also to be ..
  8. REN Y, Hansen S, Ebert B, Lau J, Scheller H. Site-directed mutagenesis of IRX9, IRX9L and IRX14 proteins involved in xylan biosynthesis: glycosyltransferase activity is not required for IRX9 function in Arabidopsis. PLoS ONE. 2014;9:e105014 pubmed publisher
    ..The putative glycosyltransferases IRX9, IRX14, and IRX10 (or the paralogs IRX9L, IRX14L, and IRX10L) are required for xylan backbone synthesis in ..