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Biochemistry, Biophysics, and Structural Biology Commons

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Molecular Biology

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University of Connecticut

Honors Scholar Theses

Arabidopsis

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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology

Characterization Of The Putative Xyloglucan Glycosyltransferase Gt14 In Arabidopsis Thaliana, Najam R. Syed May 2010

Characterization Of The Putative Xyloglucan Glycosyltransferase Gt14 In Arabidopsis Thaliana, Najam R. Syed

Honors Scholar Theses

Plant cell walls largely consist of matrix polysaccharides that are linked to cellulose microfibrils. Xyloglucan, the primary hemicellulose of the cell wall matrix, consists of a repeating glucose tetramer structure with xylose residues attached to the first three units ('XXXG'). In Arabidopsis thaliana, the core XXXG structure is further modified by enzymatic addition of galactose and fucose residues to the xylose side chains to produce XLXG, XXLG, XLLG and XLFG structures. GT14 is a putative glycosyltransferase in the GT47 gene family. Initial predictions of GT14's hydrophobic regions, based on its translated amino acid sequence, are almost identical to its ...