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Detection of Antibodies to Erysipelothrix in Stray Dogs in Japan

BioMed Central
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  • Original Article
  • Biology
  • Medicine


Omslag Acta vet. scand. vol. 46 no. 3, 2005 Erysipelothrix rhusiopathiae is considered as a pathogenic bacterium for many species of ani- mals. The genus Erysipelothrix had been thought to contain a single strain. However, on the basis of genetic homology, the genus Erysipelothrix was found to constitute different strains, E. rhusiopathiae and a new strain, E. tonsillarum (Takahashi et al. 1992). E. tonsil- larum can be distinguished from E. rhu- siopathiae by serology, the fermentation of sac- charose, genetic homology and the lack of pathogenicity for pigs (Takahashi et al. 1992, 1993, 2000a). The classical host of the bacterium is the pig, but it can also induce a wide variety of disease conditions in other mammals and birds (Kuc- sera 1979, Takahashi et al. 1994). The bac- terium has been isolated from dogs with endo- carditis (Eriksen et al. 1987, Hoenig & Gillette 1980, Kucsera 1979, Sisson et al. 1984). In an experimental infection study using an isolate from a dog, it was confirmed that dogs devel- oped endocarditis after intravenous inoculation (Goudswaard et al. 1973). The isolates from dogs with endocarditis in Belgium were typed as serovar 7, which is one of the E. tonsillarum serovars (Schrauwen et al. 1993, Takahashi et al. 1993). Furthermore, the isolate was classi- fied into genomic E. tonsillarum based on the characteristics and genetic homology (Taka- hashi et al. 2000a). Other strains isolated from several cases of erysipelas in dogs were also typed as serovar 7 (Hoenig & Gillette 1980). These reports strongly indicated that E. tonsil- larum was a canine pathogen. However, there is no information about sero- logical surveys in dogs to elucidate the epi- demiological features of the disease in the field. Furthermore, there are few studies about the mechanism of erysipelas in dogs. As a cau- sative factor of bacterial endocarditis, a pre-ex- isting heart lesion has been suspected, but the relation between them is still obscure (Gouds- waard et al. 1973, Hoenig & Gillett

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