Gene Symbol: PGSIP1
Description: plant glycogenin-like starch initiation protein 1
Alias: GUX1, glucuronic acid substitution of xylan 1, plant glycogenin-like starch initiation protein 1, plant glycogenin-like starch initiation protein 1
Species: thale cress
Oikawa A, Joshi H, Rennie E, Ebert B, Manisseri C, Heazlewood J, et al
. An integrative approach to the identification of Arabidopsis and rice genes involved in xylan and secondary wall development. PLoS ONE. 2010;5:e15481 pubmed publisher
..As an experimental validation of the model, we show that an Arabidopsis mutant in the PGSIP1 gene encoding one of the Golgi localized candidate proteins has a highly decreased content of glucuronic acid in ..
Rennie E, Hansen S, Baidoo E, Hadi M, Keasling J, Scheller H. Three members of the Arabidopsis glycosyltransferase family 8 are xylan glucuronosyltransferases. Plant Physiol. 2012;159:1408-17 pubmed publisher
..Here, we show evidence for biochemical activity of GUX1 (for GlcA substitution of xylan 1), a member of Glycosyltransferase Family 8 in Arabidopsis (Arabidopsis thaliana) ..
Bromley J, Busse Wicher M, Tryfona T, Mortimer J, Zhang Z, Brown D, et al
. GUX1 and GUX2 glucuronyltransferases decorate distinct domains of glucuronoxylan with different substitution patterns. Plant J. 2013;74:423-34 pubmed publisher
..The role of these substitutions remains unclear. GUX1 (glucuronic acid substitution of xylan 1) and GUX2, recently identified as glucuronyltransferases, are both required for substitution of ..
Mortimer J, Miles G, Brown D, Zhang Z, Segura M, Weimar T, et al
. Absence of branches from xylan in Arabidopsis gux mutants reveals potential for simplification of lignocellulosic biomass. Proc Natl Acad Sci U S A. 2010;107:17409-14 pubmed publisher
..The gux1 gux2 double mutants show loss of xylan glucuronyltransferase activity and lack almost all detectable xylan ..
Lee C, Teng Q, Zhong R, Ye Z. Arabidopsis GUX proteins are glucuronyltransferases responsible for the addition of glucuronic acid side chains onto xylan. Plant Cell Physiol. 2012;53:1204-16 pubmed publisher
..It has recently been shown that mutations of two Arabidopsis family GT8 genes, GUX1 and GUX2, affect the addition of GlcA and MeGlcA to xylan, but it is not known whether they encode ..