Host - parasite interactions as a tool for determining human impacts on endangered wildlife Michelle Power Universidad Macquarie Australia

Título: 'Host - parasite interactions as a tool for determining human impacts on endangered wildlife'

Ponente: Michelle Power, Universidad Macquarie, Australia

Resumen:

The protozoan parasites Cryptosporidium and Eimeria are major causes of gastrointestinal disease in many vertebrate species. Molecular tools have greatly expanded knowledge on the biodiversity of Cryptosporidium, with 70% of the 26 recognised species being described over the last 10 years. Molecular analyses have also revealed greater than 40 cryptic Cryptosporidium species (genotypes) for which we have limited biological information. For Eimeria the application of molecular tools has not been as rapid,and much of our understanding of the diversity of Eimeria stems from morphological and pathological data. In this talk I will provide an overview of the diversity of Cryptosporidium and Eimeria, and discuss how the molecular data is advancing our understanding of the evolutionary strategies of these two parasites. I will further discuss how the increasing knowledge of these parasites, in combination with other parasite / microbial targets, can be applied to investigate human impacts on host-parasite relationships in endangered species, particularly brush-tailed rock wallabies, Australian fur seals and Antarctic vertebrates.

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