PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21124849-7 2010 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 secondary cell walls and substantially reduced xylan glucuronosyltransferase activity. Glucuronic Acid 187-202 plant glycogenin-like starch initiation protein 1 Arabidopsis thaliana 86-92 20852069-5 2010 We identified two Golgi-localized putative glycosyltransferases, GlucUronic acid substitution of Xylan (GUX)-1 and GUX2 that are required for the addition of both glucuronic acid and 4-O-methylglucuronic acid branches to xylan in Arabidopsis stem cell walls. Glucuronic Acid 163-178 plant glycogenin-like starch initiation protein 1 Arabidopsis thaliana 65-110 22537759-2 2012 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 glucuronyltransferases (GlcATs) or indirectly regulate the GlcAT activity. Glucuronic Acid 117-121 plant glycogenin-like starch initiation protein 1 Arabidopsis thaliana 79-83 24518588-8 2014 We found that a complete loss of GlcA substitutions in the xylan of the gux1/2/3 triple mutant led to a significant increase in the degree of xylan acetylation, indicating that xylan acetyltransferases and glucuronyltransferases compete with each other for xylosyl residues for their acetylation or GlcA substitutions in planta. Glucuronic Acid 33-37 plant glycogenin-like starch initiation protein 1 Arabidopsis thaliana 72-80 24518588-8 2014 We found that a complete loss of GlcA substitutions in the xylan of the gux1/2/3 triple mutant led to a significant increase in the degree of xylan acetylation, indicating that xylan acetyltransferases and glucuronyltransferases compete with each other for xylosyl residues for their acetylation or GlcA substitutions in planta. Glucuronic Acid 299-303 plant glycogenin-like starch initiation protein 1 Arabidopsis thaliana 72-80 23373848-4 2013 GUX1 (glucuronic acid substitution of xylan 1) and GUX2, recently identified as glucuronyltransferases, are both required for substitution of the xylan backbone with [Me]GlcA. Glucuronic Acid 170-174 plant glycogenin-like starch initiation protein 1 Arabidopsis thaliana 0-4 23373848-4 2013 GUX1 (glucuronic acid substitution of xylan 1) and GUX2, recently identified as glucuronyltransferases, are both required for substitution of the xylan backbone with [Me]GlcA. Glucuronic Acid 170-174 plant glycogenin-like starch initiation protein 1 Arabidopsis thaliana 6-45 23373848-6 2013 GUX1 decorates xylan with a preference for addition of [Me]GlcA at evenly spaced xylosyl residues. Glucuronic Acid 59-63 plant glycogenin-like starch initiation protein 1 Arabidopsis thaliana 0-4 22537759-7 2012 Furthermore, a complete loss of GlcA and MeGlcA side chains in the gux1/2/3 triple mutant resulted in reduced secondary wall thickening, collapsed vessel morphology and reduced plant growth. Glucuronic Acid 32-36 plant glycogenin-like starch initiation protein 1 Arabidopsis thaliana 67-73 22537759-8 2012 Together, our results provide biochemical and genetic evidence that GUX1/2/3 are GlcATs responsible for the GlcA substitution of xylan, which is essential for normal secondary wall deposition and plant development. Glucuronic Acid 81-85 plant glycogenin-like starch initiation protein 1 Arabidopsis thaliana 68-76