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The DOI matches its Crossref record; 28 of the 28 references it cites were found in a registry or an index.

Characterization of IRX10 and IRX10‐like reveals an essential role in glucuronoxylan biosynthesis in Arabidopsis

Brown, David M., Zhang, Zhinong, Stephens, Elaine, Dupree, Paul, Turner, Simon R.·2009·The Plant Journal

Abstract

Summary: Xylan, the major hemicellulosic polysaccharide in Arabidopsis secondary cell walls, requires a number of glycosyltransferases (GT) to catalyse formation of the various glycosidic linkages found in the polymer. In this study, we characterized IRX10 and IRX10‐like (IRX10‐L), two highly homologous genes encoding members of the glycosyltransferase family 47 (GT47). T‐DNA insertions in IRX10 gave a mild irregular xylem (irx) phenotype consistent with a minor defect in secondary cell‐wall synthesis, whereas plants containing mutations in IRX10‐L showed no change. However, irx10 irx10‐L double mutant plants showed a much more severe irx and whole‐plant phenotype, suggesting considerable functional redundancy between these two genes. Detailed biochemical analysis of the irx10 irx10‐L double mutant showed a large reduction of xylan in the secondary cell walls, consistent with a specific defect in xylan biosynthesis. Furthermore, the irx10 irx10‐L mutant retains the unique oligosaccharide found at the reducing end of Arabidopsis xylan, but shows a severe reduction in β(1,4) xylosyltransferase activity. These characteristics are similar to those of irx9 and irx14, mutants that are believed to be defective in xylan chain elongation, and suggests that IRX10 and IRX10‐L also play a role in elongation of the xylan backbone.

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Crossref · 10.1111/j.1365-313x.2008.03729.x

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Metadata

Authors
Brown, D. M., Zhang, Z., Stephens, E., Dupree, P., & Turner, S. R.
Venue
The Plant Journal
Publisher
Wiley
Published
2009-01-29
Volume
57
Issue
4
Pages
732-746
ISSN
  • 0960-7412 (ISSN-L)
  • 1365-313X
OpenAlex
W2034256291
Cited by
320
References
28
FWCI
22.37
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Characterization of IRX10 and IRX10‐like reveals an essential role in glucuronoxylan biosynthesis in Arabidopsis. https://app.cochat.ai/papers/10.1111/j.1365-313x.2008.03729.x
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Brown, D. M., Zhang, Z., Stephens, E., Dupree, P., & Turner, S. R. (2009). Characterization of IRX10 and IRX10‐like reveals an essential role in glucuronoxylan biosynthesis in Arabidopsis. The Plant Journal. https://doi.org/10.1111/j.1365-313x.2008.03729.x

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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