Species or local environment, what determines the infection of rodents by Toxoplasma gondii?

@article{Gotteland2013SpeciesOL,
  title={Species or local environment, what determines the infection of rodents by Toxoplasma gondii?},
  author={C{\'e}cile Gotteland and Yannick Chaval and Isabelle Villena and Maxime Galan and R{\'e}gine Geers and Dominique Aubert and Marie-Lazarine Poulle and Nathalie Charbonnel and Emmanuelle Gilot‐Fromont},
  journal={Parasitology},
  year={2013},
  volume={141},
  pages={259 - 268}
}
SUMMARY Toxoplasmosis is largely present in rural areas but its spatial distribution in this environment remains poorly known. In particular, it is unclear if areas of high density of cats, the only hosts excreting Toxoplasma gondii, constitute foci of high prevalence. To improve our understanding of the spatial distribution of T. gondii in rural areas, we performed a serological survey in rodents from two villages in France. We trapped 710 rodents including commensal rats and meadow or forest… 

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References

SHOWING 1-10 OF 81 REFERENCES

Toxoplasmosis seroprevalence in urban rodents: a survey in Niamey, Niger.

Although the study was not able to decipher statistically between habitat or species effect, such a contrast between Nile grass rats and the other rodent species points towards a potentially important role of environmental toxoplasmic infection in this yet semi-arid region.

Rodents as shared indicators for zoonotic parasites of carnivores in urban environments

SUMMARY Rodents are shared intermediate or paratenic hosts for Echinococcus multilocularis, Toxocara spp. and Toxoplasma gondii, and may serve as valuable indicators for assessing the occurrence and

Toxoplasmosis in rodents: ecological survey and first evidences in Thailand.

This survey constitutes the first confirmed serological investigation of T. gondii in rodents in Thailand, and questions the involvement of other carnivores in the life cycle.

Serological observation of Toxoplasma gondii prevalence in Apodemus agrarius, a dominant species of field rodents in Korea.

Direct evidence of the existence of T. gondii in field rodents in Korea is presented and very similar patterns to that obtained using sera of experimentally infected mice with T. Gondii are presented.

Toxoplasmosis in naturally infected rodents in Belgrade, Serbia.

To assess the role of synanthropic rodents in the epidemiology of urban toxoplasmosis, Toxoplasma gondii infection was examined in 144 rats and 12 mice captured using live animal traps in Belgrade city characterized by poor housing and degraded environment.

Prevalence and co-infection of Toxoplasma gondii and Neospora caninum in Apodemus sylvaticus in an area relatively free of cats

The results suggest that cat density may have a lower than expected effect on final prevalence in these ecosystems, where cats play a major role in transmission to secondary mammalian hosts.

Isolation and multilocus genotyping of Toxoplasma gondii in seronegative rodents in Brazil.

Transmission dynamics of Toxoplasma gondii on a pig farm.

  • T. LehmannD. Graham J. Dubey
  • Biology
    Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases
  • 2003

Rats as indicators of the presence and dispersal of pathogens in Cyprus: ectoparasites, parasitic helminths, enteric bacteria, and encephalomyocarditis virus.

Biological material collected from 625 rodents showed that the most widespread pathogens encountered in wild rats were helminth parasites, found in 92 animals, and Salmonella spp.
...