Pathogenic oral and intestinal bacterium (null)

"Pathogenic oral and intestinal bacteria" is a general term encompassing numerous **disease-associated bacterial species** that colonize the human oral cavity and intestinal tract. Key oral pathogens include *Fusobacterium nucleatum*, *Porphyromonas gingivalis*, *Aggregatibacter actinomycetemcomitans*, *Treponema denticola*, *Streptococcus mutans*, and others, while notable intestinal pathogens overlap with oral ones and may include *Enterobacteriaceae*, *Bacteroides*, and *Clostridium* species[1][2][3]. These bacteria contribute to local diseases such as dental caries, periodontitis, and gastrointestinal infections, but also systemic conditions including inflammatory bowel disease, colorectal and gastric cancers, cardiovascular and neurodegenerative diseases[1][2][3]. They are targets for antimicrobial therapy as a functional group, but the term does not denote a single, well-defined molecular drug target or receptor. For structured drug target data, refer to individual species, their surface proteins, or specific virulence factors rather than this nonspecific grouping.

Other names

Pathogenic oral bacteriaPathogenic intestinal bacteriaOral pathogensIntestinal pathogensOral-gut disease-associated bacteria

Disruption of bacterial cell wall or membrane integrity (as with beta-lactams, chlorhexidine) Inhibition of protein, DNA, or metabolic pathways (antibiotics) Bacterial population modulation (e.g., probiotics) Lytic activity (bacteriophages)