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Applied and Environmental Microbiology, December 2007, p. 7693-7696, Vol. 73, No. 23
0099-2240/07/$08.00+0     doi:10.1128/AEM.00848-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Novel Cryptosporidium Genotype in Wild Australian Mice (Mus domesticus){triangledown}

Colin Foo,1 Julianne Farrell,2 Annika Boxell,1 Ian Robertson,3 and Una M. Ryan1*

Division of Health Sciences, School of Veterinary and Biomedical Science, Murdoch University, Murdoch, Western Australia 6150, Australia,1 Department of Primary Industries and Fisheries, P.O. Box 102, Toowoomba, Queensland 4350, Australia,2 Division of Health Sciences, School of Veterinary Clinical Science, Murdoch University, Murdoch, Western Australia 6150, Australia3

Received 15 April 2007/ Accepted 26 September 2007

A total of 250 mouse fecal specimens collected from crop farms in Queensland, Australia, were screened for the presence of Cryptosporidium spp. using PCR. Of these, 19 positives were detected and characterized at a number of loci, including the 18S rRNA gene, the acetyl coenzyme A gene, and the actin gene. Sequence and phylogenetic analyses identified two genotypes: mouse genotype I and a novel genotype (mouse genotype II), which is likely to be a valid species. Cryptosporidium parvum, which is zoonotic, was not detected. The results of the study indicate that wild Australian mice that are not in close contact with livestock are probably not an important reservoir of Cryptosporidium infection for humans and other animals.

* Corresponding author. Mailing address: Division of Health Sciences, School of Veterinary and Biomedical Science, Murdoch University, Murdoch, Western Australia 6150, Australia. Phone: 61 89360 2482. Fax: 61 89310 414. E-mail: Una.Ryan{at}murdoch.edu.au

{triangledown} Published ahead of print on 5 October 2007.

Applied and Environmental Microbiology, December 2007, p. 7693-7696, Vol. 73, No. 23
0099-2240/07/$08.00+0     doi:10.1128/AEM.00848-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.





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