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Molecular and phylogenetic analysis of Cryptosporidium muris from various hosts

Published online by Cambridge University Press:  01 May 2000

U. M. MORGAN ,
L. XIAO ,
P. MONIS ,
I. SULAIMAN ,
I. PAVLASEK ,
B. BLAGBURN ,
M. OLSON ,
S. J. UPTON ,
N. V. KHRAMTSOV  and
A. LAL
...Show all authors
U. M. MORGAN
Affiliation:
World Health Organization Collaborating Centre for the Molecular Epidemiology of Parasitic Infections and State Agricultural Biotechnology Centre, Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, WA, 6150, Australia
L. XIAO
Affiliation:
Division of Parasitic Diseases, Centres for Disease Control and Prevention, Atlanta, Georgia, 30341, USA
P. MONIS
Affiliation:
Microbiology Unit, Australian Water Quality Centre, Hodgson Road, Bolivar, SA, 5110, Australia
I. SULAIMAN
Affiliation:
Division of Parasitic Diseases, Centres for Disease Control and Prevention, Atlanta, Georgia, 30341, USA
I. PAVLASEK
Affiliation:
State Veterinary Institute Prague, Pathology and Parasitology Department 165 03 Prague 6, Czech Republic
B. BLAGBURN
Affiliation:
Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, Alabama, USA
M. OLSON
Affiliation:
University of Calgary, Calgary, Canada
S. J. UPTON
Affiliation:
Division of Biology, Kansas State University, Manhattan, KS 66506, USA
N. V. KHRAMTSOV
Affiliation:
Division of Biology, Kansas State University, Manhattan, KS 66506, USA
A. LAL
Affiliation:
Division of Parasitic Diseases, Centres for Disease Control and Prevention, Atlanta, Georgia, 30341, USA
A. ELLIOT
Affiliation:
World Health Organization Collaborating Centre for the Molecular Epidemiology of Parasitic Infections and State Agricultural Biotechnology Centre, Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, WA, 6150, Australia
R. C. A. THOMPSON
Affiliation:
World Health Organization Collaborating Centre for the Molecular Epidemiology of Parasitic Infections and State Agricultural Biotechnology Centre, Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, WA, 6150, Australia
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Abstract

Isolates of Cryptosporidium muris and C. serpentis were characterized from different hosts using nucleotide sequence analysis of the rDNA 18S and ITS1 regions, and the heat-shock (HSP-70) gene. Phylogenetic analysis confirmed preliminary evidence that C. muris is not a uniform species. Two distinct genotypes were identified within C. muris; (1) C. muris genotype A; comprising bovine and camel isolates of C. muris from different geographical locations, and (2) C. muris genotype B comprising C. muris isolates from mice, a hamster, a rock hyrax and a camel from the same enclosure. These 2 genotypes may represent separate species but further biological and molecular studies are required for confirmation.

Keywords

Cryptosporidium murisCryptosporidium serpentis18S rDNAITS1heat-shock genephylogenetic analysis
Type
Research Article
Information
Parasitology , Volume 120 , Issue 5 , May 2000 , pp. 457 - 464
Copyright
2000 Cambridge University Press

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