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KMID : 0425120200580020181
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Parasites, Hosts and Diseases
2020 Volume.58 No. 2 p.181 ~ p.184
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Prevalence and Subtypes of Blastocystis in Alpacas, Vicugna pacos in Shanxi Province, China
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Ma Ye-Ting
Liu Qing
Xie Shi-Chen
Li Xiao-Dong
Ma Yuan-Yuan
Li Tao-Shan
Gao Wen-Wei
Zhu Xing-Quan
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Abstract
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Blastocystis, an enteric protist, has been reported to be an important cause of protozoal gastrointestinal manifestations in humans and animals worldwide. Animals harboring certain Blastocystis subtypes (STs) may serve as a potential source of human infection. However, information about the prevalence and genetic diversity of Blastocystis in alpacas is limited. In the present study, a total of 366 fecal samples from alpacas in Shanxi Province, northern China, were examined for Blastocystis by PCR amplification of the small subunit rRNA gene, followed by sequencing and phylogenetic analysis. The prevalence of Blastocystis in alpacas was 23.8%, and gender difference in the prevalence of Blastocystiswas observed. The most predominant Blastocystis ST was ST10, followed by ST14 and ST5. The detection of ST5, a potentially zoonotic genotype, indicates that alpacas harboring ST5 could be a potential source of human infection with Blastocystis. These data provide new insight into the prevalence and genetic diversity of Blastocystis in alpacas.
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KEYWORD
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Blastocystis, alpaca (Vicugna pacos), prevalence, subtype, Shanxi
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