Canadian Medical Guide > Chemicals and Drugs > Immunologic and Biological Factors > Biological Factors > Virulence Factors Terms and Definitions




Virulence Factors

Medical Definition: Those components of an organism that determine its capacity to cause disease but are not required for its viability per se. Two classes have been characterized: TOXINS and surface adhesion molecules that effect the ability of the microorganism to invade and colonize a host. (From Davis et al., Microbiology, 4th ed. p486)
Guide Notes: coord with specific factors if pertinent
Previously Indexed: Virulence (1967-2002)
Virulence Factors Categories.
Canadian Medical Guide Definition Virulence Factors, Bordetella - A set of ADHESINS and TOXINS produced by BORDETELLA organisms that determine the pathogenesis of BORDETELLA INFECTIONS, such as WHOOPING COUGH. They include filamentous hemagglutinin; FIMBRIAE PROTEINS; pertactin; PERTUSSIS TOXIN; ADENYLATE CYCLASE TOXIN; dermonecrotic toxin; tracheal cytotoxin; Bordetella LIPOPOLYSACCHARIDES; and tracheal colonisation factor.

Virulence Factors Medical Definitions and Terms

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