Occurrence of Enterocytozoon bieneusi in Chinese Tan sheep in the Ningxia Hui Autonomous Region, China

文献类型： 外文期刊

第一作者： Peng, Jun-Jie

作者： Peng, Jun-Jie;Zou, Yang;Liang, Qin-Li;Song, Hai-Yang;Li, Tao-Shan;Ma, Yuan-Yuan;Zhu, Xing-Quan;Peng, Jun-Jie;Zhou, Dong-Hui;Li, Zhi-Xin;Zhu, Xing-Quan

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关键词： Enterocytozoon bieneusi; Tan sheep; Genotypes; Prevalence; Ningxia Hui Autonomous Region

期刊名称：PARASITOLOGY RESEARCH （ 影响因子：2.289； 五年影响因子：2.403 ）

ISSN： 0932-0113

年卷期： 2019 年 118 卷 9 期

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收录情况： SCI

摘要： Enterocytozoon bieneusi is a zoonotic parasite which is considered to be an opportunistic pathogen of humans and animals. A number of studies have reported E. bieneusi infection in various animals. However, no information is available on the occurrence of E. bieneusi in Tan sheep, a unique indigenous sheep species in the Ningxia Hui Autonomous Region, China. The objectives of the present study were to examine the prevalence and identify the genotypes of E. bieneusi in Tan sheep in China. A total of 1014 fecal specimens of Tan sheep from six farms in the Ningxia Hui Autonomous Region were examined by nested PCR amplification of the internal transcribed spacer (ITS) of nuclear ribosomal DNA. The total prevalence of E. bieneusi was 12.2% (124/1014), ranging from 0.5 to 22.2% on six farms. Sequence analysis identified 10 genotypes of E. bieneusi, including three known genotypes, BEB6, COS-I, and CHG13, and seven novel genotypes designated as NX1 to NX7, which all belonged to group 2 by phylogenetic analysis. This is the first report describing the prevalence of E. bieneusi in Tan sheep, and the new genotypes identified in the current study expand the genotype distribution of E. bieneusi. These findings provide baseline data and have implications for the epidemiology and control of E. bieneusi infection in Tan sheep.

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