Cryptosporidium fayeri n. sp. (Apicomplexa:Cryptosporidiidae) from the red kangaroo (Macropus rufus)

Una M. Ryan*, Michelle Power, Lihua Xiao

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    51 Citations (Scopus)

    Abstract

    The morphology and infectivity of the oocysts of a new species of Cryptosporidium from the faeces of the red kangaroo (Macropus rufus) are described. Oocysts are structurally indistinguishable from those of Cryptosporidium parvum. Oocysts of the new species are passed fully sporulated, lack sporocysts, and measure 4.5-5.1 μm (mean=4.9) × 3.8-5.0 μm (mean=4.3 μm) with a length to width ratio 1.02:1.18 (mean 1.14) (n=50). Oocysts were not infectious for neonate ARC Swiss mice. Multi-locus analysis of numerous unlinked loci demonstrated this species to be distinct (90.64%-97.88% similarity) from C. parvum. Based on biological and molecular data, this Cryptosporidium infecting marsupials is proposed to be a new species Cryptosporidium fayeri n. sp.

    Original languageEnglish
    Pages (from-to)22-26
    Number of pages5
    JournalJournal of Eukaryotic Microbiology
    Volume55
    Issue number1
    DOIs
    Publication statusPublished - Jan 2008

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