To further validate the observation of the existence of host-adapted strains of Cryptosporidium parvum, we genetically characterized an isolate of Cryptosporidium parasite from a black bear. Sequence analysis of the ribosomal RNA small subunit and the 70-kDa heat shock protein (HSP70) showed that this parasite represents a new genotype of C. parvum and is related to the C. parvum dog genotype. This finding is helpful for clarifying Cryptosporidium taxonomy.
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1 October 2000
Molecular Characterization of a Cryptosporidium Isolate From a Black Bear
Lihua Xiao,
Josef R. Limor,
Irshad M. Sulaiman,
Robert B. Duncan,
Altaf A. Lal
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