Bordetella pertussis toxin and adhesin virulence factors (None is universally used for the group as a whole. Specific members have abbreviations (e.g., PTX for pertussis toxin, FHA for filamentous hemagglutinin, PRN for pertactin, FIM for fimbriae), but there is no standard collective abbreviation.)

Bordetella pertussis toxins and adhesins are a set of structurally and functionally distinct proteins produced by the bacterium B. pertussis, the causative agent of whooping cough. The toxins include pertussis toxin (a multi-subunit ADP-ribosylating AB toxin that disrupts immune and cellular signaling), adenylate cyclase toxin (increases cAMP in host cells to inhibit phagocyte function), tracheal cytotoxin (causes tissue damage), and dermonecrotic toxin. The major adhesins include filamentous hemagglutinin, pertactin, and fimbriae, which mediate attachment of the bacterium to host ciliated respiratory epithelial cells. Coordinated regulation and expression of these factors enable successful colonization, immune evasion, and pathogenesis. Inactivated or detoxified versions are major protective antigens in current acellular pertussis vaccines[2][3][4][6]. Note: For future structuring, it is recommended to create individual entries for each major molecule (e.g., "Pertussis toxin," "Filamentous hemagglutinin," "Pertactin," etc.) to better fit canonical target data conventions.

Other names

B. pertussis virulence factorsPertussis toxins and adhesins

Vaccine-induced immune neutralization: Antibodies generated against PTX, FHA, PRN, or FIM prevent their interaction with host cells, neutralize their function, and reduce bacterial colonization and toxicity. Passive immunization: Experimental, via anti-toxin antibodies