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Porphyromonas gingivalis, a major etiological agent of chronic periodontitis, acquires heme from host hemoproteins using the HmuY hemophore. The aim of this study was to develop a specific P. gingivalis marker based on a hmuY gene sequence. Subgingival samples were collected from 66 patients with chronic periodontitis and 40 healthy subjects and the entire(More)
The main etiologic agent and a key pathogen responsible for initiation and progression of chronic periodontitis is Porphyromonas gingivalis. We examined the role of P. gingivalis, with particular interest to HmuY protein, in expression of genes involved in Toll-like receptor (TLR)-induced signaling pathways using cell-based infection model. U937 and THP-1(More)
Porphyromonas gingivalis is a key pathogen responsible for initiation and progression of chronic periodontitis. Little is known about the regulatory mechanisms of iron and heme uptake that allow P. gingivalis to express virulence factors and survive in the hostile environment of the oral cavity, so we initiated characterization of a P. gingivalis Fur(More)
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