Yersinia enterocolitica and Yersinia-like Organisms Isolated from Frogs and Snails

Botzler, Richard G.; Wetzler, T. F.; Cowan, A. B.

doi:10.7589/0090-3558-4.4.110

Cited by 20 publications

(3 citation statements)

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“…An additional explanation is that, in contrast to the other two sites, the salamanders from this forest are exposed to raw sewage from the neighbouring houses, which may also explain increased numbers of Yersiniaceae, notably of the genus Yersinia, which has been previously reported as an indicator of fecal pollution in fish 93 . Yersinia has also been reported in amphibian species, such as Necturus maculosus 94 , Rana pipiens 95 and Rana clamitans 45 . This, however, is the first time Yersinia has been found in gut microbiome of amphibians from a farmland adjacent habitat, which may prossibly be linked to sewage and fecal pollution.…”

Section: Discussionmentioning

confidence: 98%

Diet diversity and environment determine the intestinal microbiome and bacterial pathogen load of fire salamanders

Wang

Smith

Goossens

et al. 2021

Sci Rep

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Diverse communities of symbiotic microbes inhabit the digestive systems of vertebrates and play a crucial role in animal health, and host diet plays a major role in shaping the composition and diversity of these communities. Here, we characterized diet and gut microbiome of fire salamander populations from three Belgian forests. We carried out DNA metabarcoding on fecal samples, targeting eukaryotic 18S rRNA of potential dietary prey items, and bacterial 16S rRNA of the concomitant gut microbiome. Our results demonstrated an abundance of soft-bodied prey in the diet of fire salamanders, and a significant difference in the diet composition between males and females. This sex-dependent effect on diet was also reflected in the gut microbiome diversity, which is higher in males than female animals. Proximity to human activities was associated with increased intestinal pathogen loads. Collectively, the data supports a relationship between diet, environment and intestinal microbiome in fire salamanders, with potential health implications.

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Section: Discussionmentioning

confidence: 98%

Diet diversity and environment determine the intestinal microbiome and bacterial pathogen load of fire salamanders

Wang

Smith

Goossens

et al. 2021

Sci Rep

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“…S. arizonae and Y. enterocolitica have been isolated from frogs previously (2,14), but their pathological significance in frogs is not known.…”

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confidence: 99%

Enterobacteriaceae and Aeromonas hydrophila in Minnesota frogs and tadpoles (Rana pipiens)

Hird¹,

Diesch²,

McKinnell³

et al. 1983

Appl Environ Microbiol

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“…Several such tests are available for the aesculin-negative, biotype-1 American strains that belong mainly to serogroup 0:8: the Serhy test is positive (Feeley et al, 1979;Gemski et al, 1980;Schiemann and Devenish, 1980;Zink et al, 1980) and mice (Carter and Collins, 1974;Quan et al, 1974;Carter, 1975) or gerbils (Wetzler et al, 1968;Quan et al, 1974;Schiemann and Devenish, 1980) die after oral or intraperitoneal inoculation of calcium-dependent cells. However, these tests are inadequate for the human-pathogenic strains isolated outside the USA that belong to serogroups 0:3,0:9 and 0:5,27, as well as for members of serogroups 0: 1 and 0 : 2 that are pathogenic for some animals (Wauters, 1970); these strains fail to evoke a keratoconjunctivitis in guinea-pigs (Mollaret and Guillon, 1965;Mors and Pai, 1980;Schiemann et al, 1981;Vesikari et al, 1981) and they do not cause death or clearly identifiable clinical illness in mice (Mollaret and Guillon, 1965;Alonso et al, 1975;Pai and DeStephano, 1982;Aulisio et al, 1983) or gerbils (Schiemann and Devenish, 1980) when given by any route.…”

Section: Introductionmentioning

confidence: 99%

A Simple Adult-Mouse Test for Tissue Invasiveness in Yersinia Enterocolitica Strains of Low Experimental Virulence

Bakour

Balligand

Laroche

et al. 1985

Journal of Medical Microbiology

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SUMMARY. The virulence of Yersinia enterocolitica depends on the presence of a 70-kilobase plasmid, called the Vwa plasmid. This situation is particularly favourable for studies of the mechanism of pathogenicity, but these are hindered by the lack of a suitable animal test to monitor the virulence of the human-pathogenic strains isolated outside the USA which belong to serogroups 0:3, 0:9 and 0:5,27. We observed that, after oral administration to the mouse, the Vwa-positive strains of these serogroups produce a discrete systemic infection while the Vwa-negative strains do not. We present here a simple mouse-virulence test based on this observation.

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Yersinia enterocolitica and Yersinia-like Organisms Isolated from Frogs and Snails

Cited by 20 publications

References 0 publications

Diet diversity and environment determine the intestinal microbiome and bacterial pathogen load of fire salamanders

Diet diversity and environment determine the intestinal microbiome and bacterial pathogen load of fire salamanders

Enterobacteriaceae and Aeromonas hydrophila in Minnesota frogs and tadpoles (Rana pipiens)

A Simple Adult-Mouse Test for Tissue Invasiveness in Yersinia Enterocolitica Strains of Low Experimental Virulence

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