Novel Cryptosporidium Genotype in Wild Australian Mice (Mus domesticus)
Foo, Colin | Farrell, Julianne | Boxell, Annika | Robertson, Ian | Ryan, Una M.
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.
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