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  • Title: Zoonotic Cryptosporidium spp. and Enterocytozoon bieneusi in pet chinchillas (Chinchilla lanigera) in China.
    Author: Qi M, Luo N, Wang H, Yu F, Wang R, Huang J, Zhang L.
    Journal: Parasitol Int; 2015 Oct; 64(5):339-41. PubMed ID: 25988830.
    Abstract:
    Cryptosporidium and Enterocytozoon bieneusi are the most prevalent protist pathogens responsible for inducing human and animal diseases worldwide. The aim of the present work was to determine the occurrence of Cryptosporidium spp. and E. bieneusi in pet chinchillas in China. One hundred forty fecal samples were collected from four cities: Beijing, Zhengzhou, Anyang and Guiyang. They were then examined with PCR amplification of the small subunit ribosomal RNA (SSU rRNA) of Cryptosporidium spp. and the internal transcribed spacer (ITS) of the ribosomal RNA of E. bieneusi. The infection rates for Cryptosporidium spp. and E. bieneusi were 10.0% and 3.6%, respectively. Sequence analysis of SSU rRNA gene products identified two Cryptosporidium spp., Cryptosporidium ubiquitum (n=13) and Cryptosporidium parvum (n=1). Subtyping with the 60-kDa glycoprotein (gp60) gene showed that all C. ubiquitum isolates belonged to zoonotic subtype family XIId, while the subtype of the C. parvum isolate could not be identified. Two E. bieneusi genotypes were identified in five samples, zoonotic genotypes BEB6 (n=3) and D (n=2). This is the first report of C. ubiquitum and C. parvum, and E. bieneusi in chinchillas. This result indicates that pet chinchillas may be a potential source of human infection with Cryptosporidium spp. and E. bieneusi.
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