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. 2010 May 12;10:141. doi: 10.1186/1471-2180-10-141

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Copyright ©2010 Jones et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Surface plasmon resonance analysis of Pam-mediated adhesion on gold-coated glass probes. (A and B) Presence of the protein on the cell surface (washed cells) showed decreased adhesion to untreated gold surfaces in both TT01rif and E. coli pBADpam (+Pam), when compared with the correspondent strains lacking Pam, TT01pam and E. coli pBAD respectively (-Pam). (C and D) Supernatants from cultures expressing pam, TT01rif and E. coli pBADpam (+Pam), showed more adhesion than those lacking the protein TT01pam and E. coli pBAD (-Pam), indicating the ability of free Pam to adhere to surfaces.