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Liying CHEN, Yijun CHAI, Jingxin YAO, et al. Investigation of Infection and Genotyping of Blastocystis sp. in a Wildlife Park in Guiyang[J]. JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY（Natural Science）, 2021, 36(5): 925-929. DOI: 10.12101/j.issn.1004-390X(n).202101003
Citation: Liying CHEN, Yijun CHAI, Jingxin YAO, et al. Investigation of Infection and Genotyping of Blastocystis sp. in a Wildlife Park in Guiyang[J]. JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY（Natural Science）, 2021, 36(5): 925-929. DOI: 10.12101/j.issn.1004-390X(n).202101003
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Investigation of Infection and Genotyping of Blastocystis sp. in a Wildlife Park in Guiyang

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    • Abstract
  • Purpose To know about the infection and zoonotic risk of Blastocystis sp. in captive wild animals from a wildlife park in Guiyang.
    Method 203 fecal specimens collected from the park were screened for Blastocystis sp. oocysts. The samples were subjected to PCR amplification of SSU rRNA gene and phylogenetic analysis. The ClustalX 2.0 program was used to determine the subtypes of Blastocystis based on the results of Sanger sequencing.
    Results There were 22 Blastocystis-positive feces, and the total infection rate was 10.84% among the 203 samples. Four zoonotic subtypes (ST1, ST2, ST3, ST8) and one animal-specific subtype (ST13) were identified, among which ST1 (36.36%) was the dominant. In addition, Macaca nigra was found for the first time to be infected with Blastocystis sp. (1/7) in China.
    Conclusion Captive wild animals from the wildlife park had not only Blastocystis infection, but also potential zoonotic risks. The results of this study will deepen our understanding of the genetic diversity and public health potential of Blastocystis.
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