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Microb Pathog. 1990 Jan;8(1):3-11.

Virulence plasmids of Salmonella typhimurium and other salmonellae.

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Department of Immunology and Medical Microbiology, University of Florida College of Medicine, Gainesville 32610.


Related high molecular weight plasmids of several serotypes and species of Salmonella have been associated with virulence in a variety of animal models of infection. The primary virulence plasmid phenotype is in the ability of salmonellae to spread beyond the initial site of infection, the intestines. The mechanism of this plasmid-mediated invasive infection has not been identified, but may be a complex interaction in the host-pathogen relationship. A common region of the salmonella plasmids has been associated with virulence, and specific virulence genes and their products are now being identified; however, much is yet to be accomplished in this field. The combined analysis of pathogenesis and genetics associated with the salmonella virulence plasmids may identify new systems of bacterial virulence and the genetic basis for this virulence.

[Indexed for MEDLINE]

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