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Mycobacterium tuberculosis Glycoproteomics Based on ConA-Lectin Affinity Capture of Mannosylated Proteins

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posted on 06.02.2009, 00:00 by Margarita González-Zamorano, Guillermo Mendoza-Hernández, Wendy Xolalpa, Cristina Parada, Antonio J. Vallecillo, Fabiana Bigi, Clara Espitia
A Mycobacterium tuberculosis culture filtrate enriched with mannose-containing proteins was resolved by 2-DE gel. After ConA ligand blotting, 41 proteins were identified by mass spectrometry as putative glycoproteins with 34 of them new probably mannosylated proteins. These results contribute to the construction of the ConA affinity glycoprotein database of M. tuberculosis, and provide useful information for understanding the biological role of glycoproteins in mycobacteria.