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. 2010 Jun 24;6(6):e1000824. doi: 10.1371/journal.pcbi.1000824

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Vizcaíno et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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(A) Immunoblotting assessment of the presence of Rv0200 in TPS: total protein sonicate, W: cell wall, M: membrane, C: cytosol and F: culture filtrate of M. tuberculosis H37Rv, using specific antisera raised in rabbits. PI: assessment of the pre-immune serum showing no recognition of any mycobacterial protein. Molecular weight marker is shown on the left (P7709S ColorPlus Prestained Protein Marker, New England Biolabs) and the molecular weight observed for Rv0200 is shown to the right. (B) IEM assessment of the presence of Rv0200 on the surface of intact M. tuberculosis H37Rv bacilli (magnification: 40,000×). Proteins detected by anti-rabbit antibody conjugated to 10-nm colloidal gold particles are indicated by the black arrows. (C) Pre-immune serum showed no recognition of any mycobacterial proteins. The results showed detection of Rv0200 in TPS, membrane and surface of M. tuberculosis H37Rv.