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Applied and Environmental Microbiology, December 2006, p. 7548-7553, Vol. 72, No. 12
0099-2240/06/$08.00+0     doi:10.1128/AEM.01352-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

Identification of Novel Cryptosporidium Genotypes from Avian Hosts{triangledown}

Josephine Ng,1* Ivan Pavlasek,2 and Una Ryan1

Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia 6150, Australia,1 State Veterinary Institute Prague, Pathology and Parasitology Department, 165 03 Prague 6, Czech Republic2

Received 13 June 2006/ Accepted 25 September 2006

A total of 430 avian-derived fecal specimens were randomly collected from selected Western Australian commercial aviaries, poultry farms, hatcheries, wildlife parks, and the Perth Zoo and screened for the presence of Cryptosporidium by PCR. Of these, 27 Cryptosporidium-positive isolates were detected, characterized, and compared with 11 avian-derived isolates from the Czech Republic at the 18S rRNA and actin gene loci. Sequence and phylogenetic analysis identified four genetically distinct genotypes, avian genotypes I to IV, from various avian hosts. In addition, the host range for Cryptosporidium galli was extended. Cryptosporidium muris and Cryptosporidium andersoni were also identified in a tawny frogmouth and a quail-crested wood partridge, respectively.

* Corresponding author. Mailing address: Divison of Veterinary and Biomedical Sciences, Murdoch University, South Street, Murdoch, WA 6150, Australia. Phone: 61 8 9360 2495. Fax: 61 8 9310 4144. E-mail: J.Ng{at}murdoch.edu.au.

{triangledown} Published ahead of print on 6 October 2006.

Applied and Environmental Microbiology, December 2006, p. 7548-7553, Vol. 72, No. 12
0099-2240/06/$08.00+0     doi:10.1128/AEM.01352-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.



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