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Applied and Environmental Microbiology, October 2007, p. 6475-6483, Vol. 73, No. 20
0099-2240/07/$08.00+0     doi:10.1128/AEM.01034-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Cryptosporidium Genotypes in Wildlife from a New York Watershed{triangledown}

Yaoyu Feng,1,{dagger} Kerri A. Alderisio,2 Wenli Yang,1 Lisa A. Blancero,2 William G. Kuhne,2 Christopher A. Nadareski,2 Michael Reid,2 and Lihua Xiao1*

Division of Parasitic Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 30341,1 New York City Department of Environmental Protection, Valhalla, New York 105952

Received 9 May 2007/ Accepted 15 August 2007

To identify the animal sources for Cryptosporidium contamination, we genotyped Cryptosporidium spp. in wildlife from the watershed of the New York City drinking water supply, using a small-subunit rRNA gene-based PCR-restriction fragment length polymorphism analysis and DNA sequencing. A total of 541 specimens from 38 species of wildlife were analyzed. One hundred and eleven (20.5%) of the wildlife specimens were PCR positive. Altogether, 21 Cryptosporidium genotypes were found in wildlife samples, 11 of which were previously found in storm runoff in the watershed, and six of these 11 were from storm water genotypes of unknown animal origin. Four new genotypes were found, and the animal hosts for four storm water genotypes were expanded. With the exception of the cervine genotype, most genotypes were found in a limited number of animal species and have no major public health significance.

* Corresponding author. Mailing address: Division of Parasitic Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Building 22, Mail Stop F-12, 4770 Buford Highway, Atlanta, GA 30341-3717. Phone: (770) 488-4840. Fax: (770) 488-4454. E-mail: lxiao{at}cdc.gov

{triangledown} Published ahead of print on 24 August 2007.

{dagger} Present address: Institute for Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai 200025, China.

Applied and Environmental Microbiology, October 2007, p. 6475-6483, Vol. 73, No. 20
0099-2240/07/$08.00+0     doi:10.1128/AEM.01034-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Xiao, L. (2009). Overview of Cryptosporidium Presentations at the 10th International Workshops on Opportunistic Protists. Eukaryot Cell 8: 429-436 [Full Text]  


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