Gene Symbol: IRX9-L
Description: Nucleotide-diphospho-sugar transferases superfamily protein
Alias: I9H, IRREGULAR XYLEM 9 Homolog, IRREGULAR XYLEM 9-LIKE, T22C5.4, Nucleotide-diphospho-sugar transferases superfamily protein
Species: thale cress
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
..The I9H (IRX9 homolog) and I14H (IRX14 homolog) genes were shown to be specifically expressed in cells undergoing secondary ..
Wu A, Hörnblad E, Voxeur A, Gerber L, Rihouey C, Lerouge P, et al
. Analysis of the Arabidopsis IRX9/IRX9-L and IRX14/IRX14-L pairs of glycosyltransferase genes reveals critical contributions to biosynthesis of the hemicellulose glucuronoxylan. Plant Physiol. 2010;153:542-54 pubmed publisher
..Our findings reveal two distinct sets of four genes each differentially contributing to GX biosynthesis. ..
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
..Most likely IRX14 also has primarily a structural role, but it cannot be excluded that the protein has an important enzymatic activity. ..
Dobritsa A, Geanconteri A, Shrestha J, Carlson A, Kooyers N, Coerper D, et al
. A large-scale genetic screen in Arabidopsis to identify genes involved in pollen exine production. Plant Physiol. 2011;157:947-70 pubmed publisher
..Our study illustrates that morphological screens of pollen can be extremely fruitful in identifying previously unknown exine genes and lays the foundation for biochemical, developmental, and evolutionary studies of exine production. ..
Mortimer J, Faria Blanc N, Yu X, Tryfona T, Sorieul M, Ng Y, et al
. An unusual xylan in Arabidopsis primary cell walls is synthesised by GUX3, IRX9L, IRX10L and IRX14. Plant J. 2015;83:413-26 pubmed publisher
..The differences in xylan structure in primary versus secondary cell walls might reflect the different roles in cross-linking and interaction with other cell wall components. ..