Bacterial cell surface and oral biofilm components

Bacterial cell surface and oral biofilm components represent a complex assembly of molecules, including peptidoglycans, lipopolysaccharides, and extracellular polymeric substances (EPS) such as polysaccharides, proteins, and extracellular DNA (Flemming & Wingender, 2010, Nature Reviews Microbiology). These components are essential for the structural integrity of dental plaque and facilitate bacterial adhesion to oral surfaces and co-aggregation between different microbial species (Marsh, 2004, BMC Oral Health). In the oral cavity, these structures serve as a protective barrier against environmental stressors, host immune defenses, and antimicrobial penetration (Bowen et al., 2018, Trends in Microbiology). Therapeutically, these components are targeted by a variety of agents; for instance, fluoride interferes with bacterial metabolism and adhesion, while antiseptics like chlorhexidine disrupt cell membrane integrity (StatPearls, "Gingivitis"). Managing these targets is crucial for preventing and treating prevalent oral diseases such as dental caries and periodontitis, which are driven by the pathogenic shift of the oral biofilm (NIDCR, "Oral Health"). This entry is marked as incorrect because it describes a broad category of multiple molecular targets rather than a single specific protein or receptor.

Other names

Dental plaque componentsOral biofilm matrixExtracellular polymeric substancesEPSOral microbial cell surfaceBiofilm-associated proteinsExopolysaccharides

Therapeutic agents target these components through several mechanisms: disrupting bacterial cell membrane integrity, inhibiting the synthesis of the extracellular matrix (e.g., via glucosyltransferase inhibition), preventing bacterial adhesion to the acquired enamel pellicle, or chemically degrading the structural scaffold of the biofilm matrix.