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Differences in virulence for mice between disease and carrier strains of Neisseria meningitidis

, : Differences in virulence for mice between disease and carrier strains of Neisseria meningitidis. Canadian Journal of Microbiology 27(7): 738-741

The virulence of 11 prototype strains of Neisseria meningitidis, which had been used in the development of the serotyping scheme for serogroup B meningococci, were examined in mice treated with iron dextran. These strains, together with those previously examined, allowed for a good assessment of the virulence differences between carrier and disease strains. All of a total of 17 disease strains displayed virulence for mice (60% with high virulence), whereas only approximately 50% of 13 carrier strains possessed virulence (only 15% with high virulence). Because the ability to initiate infection in mice is independent of exogenous iron, this model system for infection appears particularly suited to studies of the physiological bases for virulence in N. meningitidis.

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Accession: 005151736

PMID: 6794895

DOI: 10.1139/m81-113

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