Rishi D Pathirana

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Porphyromonas gingivalis, a pathogen associated with periodontitis, bound to fibrinogen, fibronectin, hemoglobin, and collagen type V with a similar profile to that of its major virulence factor, the cell surface RgpA-Kgp proteinase-adhesin complex. Using peptide-specific, purified Abs in competitive inhibition ELISAs and epitope mapping assays, we have(More)
The contributions of three proteinase genes (rgpA, rgpB, and kgp) to the virulence of Porphyromonas gingivalis W50 were investigated in the murine periodontitis model. Mice were orally inoculated with eight doses (1 x 10(10) cells per dose) of rgpA, rgpB, kgp, rgpA rgpB, or rgpA rgpB kgp isogenic mutants, and the level of alveolar bone loss, immune response(More)
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