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Japanese researchers have identified vulnerable sites in the structure of a bacterial filament that allows Porphyromonas gingivalis<\/em> to colonize the oral cavity and cause periodontitis. These findings may open the way to fundamentally new approaches in the treatment of inflammatory periodontal diseases and their associated systemic complications.<\/p>\n The ability of P. gingivalis<\/em> to adhere and form biofilms is largely determined by a short surface filament \u2014 the Mfa pilus<\/strong>. The study revealed several critical sites in its structure that could become targets for future therapeutic strategies.<\/p>\n The main part of the filament is composed of the Mfa1<\/strong> protein. Scientists established that even minor changes at one of its ends prevent the formation of the pilus itself, which significantly reduces the pathogen’s ability to colonize the oral cavity. This discovery suggests that effects on the N- or C-terminal end of the Mfa1 molecule could be used as a strategy to suppress bacterial adhesion.<\/p>\nThe role of Mfa pilus in the pathogenesis of periodontitis<\/h2>\n
Mfa1 protein as a key component of the filament<\/h2>\n
Immunosuppressive properties of the pilus<\/h2>\n