Outbreak of keratoconjunctivitis due to Salmonella weltevreden in a guinea pig colony. 1991

M J Albert, and M Ansaruzzaman, and S M Faruque, and K Haider, and F Qadri, and M M Islam, and A K Kibriya, and S Tzipori
International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh.

The purpose of this report is to demonstrate that the ability to produce keratoconjunctivitis (KC) is a property found in Salmonella weltevreden. This observation is contrary to previous reports that Salmonella spp. do not produce KC. An outbreak of KC due to S. weltevreden occurred in a guinea pig colony, and the animals carried the organism in the intestinal tract. The same Salmonella serotype that caused an epidemic of diarrhea in humans and a routine laboratory isolate also possessed the ability to induce KC. Unlike Shigella spp. (the prototype organisms positive for KC), S. weltevreden induced KC and bound Congo red dye even when grown at 30 degrees C. It invaded HeLa cells in culture but did not hybridize with a DNA probe for invasiveness of Shigella spp. and enteroinvasive Escherichia coli even though it harbored plasmids. It was susceptible to all the antibiotics tested, was hydrophobic, and showed mannose-sensitive hemagglutination. It did not have enterotoxic or cytotoxic activities.

UI MeSH Term Description Entries
D007639 Keratoconjunctivitis, Infectious Infectious diseases of cattle, sheep, and goats, characterized by blepharospasm, lacrimation, conjunctivitis, and varying degrees of corneal opacity and ulceration. In cattle the causative agent is MORAXELLA (MORAXELLA) BOVIS; in sheep, MYCOPLASMA; RICKETTSIA; CHLAMYDIA; or ACHOLEPLASMA; in goats, RICKETTSIA. Infectious Keratoconjunctivitis,Infectious Keratoconjunctivitides,Keratoconjunctivitides, Infectious
D006168 Guinea Pigs A common name used for the genus Cavia. The most common species is Cavia porcellus which is the domesticated guinea pig used for pets and biomedical research. Cavia,Cavia porcellus,Guinea Pig,Pig, Guinea,Pigs, Guinea
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012475 Salmonella A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that utilizes citrate as a sole carbon source. It is pathogenic for humans, causing enteric fevers, gastroenteritis, and bacteremia. Food poisoning is the most common clinical manifestation. Organisms within this genus are separated on the basis of antigenic characteristics, sugar fermentation patterns, and bacteriophage susceptibility.
D012481 Salmonella Infections, Animal Infections in animals with bacteria of the genus SALMONELLA. Animal Salmonella Infection,Animal Salmonella Infections,Infection, Animal Salmonella,Infections, Animal Salmonella,Salmonella Infection, Animal
D013045 Species Specificity The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species. Species Specificities,Specificities, Species,Specificity, Species
D014774 Virulence The degree of pathogenicity within a group or species of microorganisms or viruses as indicated by case fatality rates and/or the ability of the organism to invade the tissues of the host. The pathogenic capacity of an organism is determined by its VIRULENCE FACTORS. Pathogenicity

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