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Clinical Microbiology Reviews, 07 1995, 376-388, Vol 8, No. 3
X Nassif and M So
The ability to interact with nonphagocytic cells is a crucial virulence
attribute of the meningococcus and the genococcus. Like most bacterial
pathogens, Neisseria meningitidis and Neisseria gonorrhoeae initiate
infections by colonizing the mucosal epithelium, which serves as the site
of entry. After this step, both bacteria cross the intact mucosal barrier.
While N. gonorrhoeae is likely to remain in the subepithelial matrix, where
it initiates an intense inflammatory reaction, N. meningitidis enters the
bloodstream, and eventually the cerebrospinal fluid to cause meningitis.
Both pathogens have evolved very similar mechanisms for interacting with
host cells. Surface structures that influence bacterium-host interactions
include pili, the meningococcal class 5 outer membrane proteins or the
gonococcal opacity proteins, lipooligosaccharide, and the meningococcal
capsule. This review examines what is known about the roles these
structures play in bacterial adhesion and invasion, with special emphasis,
on pilus- mediated adhesion. Finally, the importance of these structures in
neisserial pathogenesis is discussed.
Copyright © 1995 by the American Society for Microbiology. All rights reserved.
Interaction of pathogenic neisseriae with nonphagocytic cells
Institut National de la Sante et de la Recherche Medicale U411, Faculte de Medecine Necker-Enfants Malades, Universite Rene Descartes, Paris, France.
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