A new species of Cryptosporidium (Apicomplexa: Cryptosporidiidae) from eastern grey kangaroos (Macropus giganteus)

M.L. Power; U.M. Ryan

doi:10.1645/GE-1508.1

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A new species of Cryptosporidium (Apicomplexa: Cryptosporidiidae) from eastern grey kangaroos (Macropus giganteus)

Journal article

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Peer reviewed

A new species of Cryptosporidium (Apicomplexa: Cryptosporidiidae) from eastern grey kangaroos (Macropus giganteus)

M.L. Power and U.M. Ryan

Journal of Parasitology, Vol.94(5), pp.1114-1117

2008

DOI: https://doi.org/10.1645/GE-1508.1

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Abstract

Cryptosporidium macropodum n. sp is described. Oocysts of C. macropodum from the feces of kangaroos (Macropus spp.) are morphologically indistinguishable from other mammalian Cryptosporidium species, including C. parvum, C. hominis, C. suis, and C. canis. The oocysts are fully sporulated on excretion, lack sporocysts, and have an average width of 4.9 μm (4.5-6.0), a length of 5.4 μm (5.0-6.0), and a length:width ratio of 1.1. Phylogenetic analyses of the 18S ribosomal RNA, actin, and heat shock protein 70 (HSP70) loci demonstrate that C. macropodum is genetically distinct from all described Cryptosporidium species, including others found in marsupials. The parasite seems to be highly host-specific, because it has been found only in marsupials to date. Therefore, based on biological and molecular data, we consider C. macropodum a new species.

Details

Title: A new species of Cryptosporidium (Apicomplexa: Cryptosporidiidae) from eastern grey kangaroos (Macropus giganteus)
Authors/Creators: M.L. Power (Author/Creator) - Macquarie University
U.M. Ryan (Author/Creator) - Macquarie University
Publication Details: Journal of Parasitology, Vol.94(5), pp.1114-1117
Publisher: American Society of Parasitologists
Identifiers: 991005540661407891
Copyright: © American Society of Parasitologists 2008.
Murdoch Affiliation: School of Veterinary and Biomedical Sciences
Language: English
Resource Type: Journal article

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Citation topics: 1 Clinical & Life Sciences; 1.246 Diarrheal Diseases; 1.246.985 Cryptosporidium
Web Of Science research areas: Parasitology
ESI research areas: Microbiology