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Extensive production of Neospora caninum tissue cysts in a carnivorous marsupial succumbing to experimental neosporosis

By Jessica S King, Bronwyn McAllan, Derek S Spielman, Scott A Lindsay, Lada Hůrková-Hofmannová, Ashlie Hartigan, Sarwat E Al-Qassab, John T Ellis and Jan Šlapeta


Experimental infections of Sminthopsis crassicaudata, the fat-tailed dunnart, a carnivorous marsupial widely distributed throughout the arid and semi-arid zones of Australia, show that this species can act as an intermediate host for Neospora caninum. In contrast to existing models that develop relatively few N. caninum tissue cysts, dunnarts offer a new animal model in which active neosporosis is dominated by tissue cyst production. The results provide evidence for a sylvatic life cycle of N. caninum in Australia between marsupials and wild dogs. It establishes the foundation for an investigation of the impact and costs of neosporosis to wildlife

Topics: Research
Publisher: BioMed Central
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Provided by: PubMed Central

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