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Phytochemistry 72, 10 (2011) 1109-23
Combining various strategies to increase the coverage of the plant cell wall glycoproteome.
Yu Zhang 1, Aurélie Giboulot 1, Michel Zivy 2, Benoît Valot 2, Elisabeth Jamet 1, Cécile Albenne ( ) 1
(07/2011)

Glycoproteomics recently became a very active field, mostly in mammals. The first part of this paper consists of a mini-review on the strategies used in glycoproteomics, namely methods for enrichment in glycoproteins and mass spectrometry (MS) techniques currently used. In a second part, these strategies are applied to the cell wall glycoproteome of etiolated hypocotyls of Arabidopsis thaliana, showing their complementarity. Several sub-glycoproteomes were obtained by: (i) affinity chromatography on concanavaline A (ConA) and analysis of glycoproteins by MALDI-TOF MS; (ii) multidimensional lectin chromatography (using AIL, PNA, ConA and WGA lectins) and subsequent identification of glycoproteins by MALDI-TOF MS and LC-MS/MS; (iii) boronic acid chromatography followed by identification of glycoproteins by MALDI-TOF MS. Altogether, 127 glycoproteins were identified. Most glycoproteins were found to be putative N-glycoproteins and N-glycopeptides were predicted from MS data using the ProTerNyc bioinformatics software.
1 :  Surfaces Cellulaires et Signalisation chez les Végétaux (SCSV)
CNRS : UMR5546 – Université Paul Sabatier [UPS] - Toulouse III
2 :  La plante et son environnement (PSE)
CNRS : IFR87 – Institut national de la recherche agronomique (INRA) – Institut National Agronomique Paris-Grignon – Université Paris XI - Paris Sud
Sciences du Vivant/Biologie du développement
plant – glycoproteomics – Arabidopsis – mass spectrometry – ProTerNyc
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Zhang_Giboulot_et_al._Table_S1_supplementary_data.xls(51 KB)
Zhang_Giboulot_et_al._Table_S2_supplementary_data.xls(25 KB)
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