First report of zoonotic Cryptosporidium spp., Giardia intestinalis and Enterocytozoon bieneusi in golden takins (Budorcas taxicolor bedfordi)

文献类型： 外文期刊

第一作者： Zhao, Guang-Hui

作者： Zhao, Guang-Hui;Du, Shuai-Zhi;Zhu, Xing-Quan;Zhao, Guang-Hui;Du, Shuai-Zhi;Wang, Hui-Bao;Hu, Xiong-Feng;Yu, San-Ke;Zhang, Long-Xian;Deng, Ming-Jun

作者机构：

关键词： Cryptosporidium spp.;Giardia intestinalis;Enterocytozoon bieneusi;Budorcas taxicolor bedfordi

期刊名称：INFECTION GENETICS AND EVOLUTION （ 影响因子：3.342； 五年影响因子：3.188 ）

ISSN：

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页码：

收录情况： SCI

摘要： Genetic study of Cryptosporidium spp., Giardia intestinalis and Enterocytozoon bieneusi at species/assembla ge/genotype/subtype level facilitates understanding their mechanical transmissions and underpins their control. A total of 191 fresh faecal samples were collected from golden takins in China and examined using multilocus sequence typing (MLST). Cryptosporidium spp. was detected in 15 faecal samples (7.9%), including Cryptosporidium parvum (2/15) and Cryptosporidium andersoni (13/15). MLST tool identified C. andersoni subtypes (A1, A4, A4, A1) and (A4, A4, A4, A1), and C. parvum gp60 gene subtype IId A19G1. The prevalence of G. intestinalis infection was 8.9% (17/191) and assemblage analysis identified 14 assemblage E and three assemblage B. Intra-variations were observed at triose phosphate isomerase (tpi), beta giardin (bg) and glutamate dehydrogenase (gdh) loci within the assemblage E, showing seven, three and three new subtypes in respective locus. Ten and one multilocus genotypes (MLGs) were present in assemblages E and B, respectively. E. bieneusi infection was positive in 14.7% (28/191) of the examined specimens, with three genotypes known (BEB6, D and I) and four novel internal transcribed spacer (ITS) genotypes (TEB1-TEB4). The present study revealed, for the first time, the presence of zoonotic C. parvum IId A19G1, G. intestinalis assemblage B and E. bieneusi genotype D and four novel genotypes in golden takins in China. These findings expand the host range of three zoonotic pathogens and have important implications for controlling cryptosporidiosis, giardiasis and microsporidiosis in humans and animals. (C) 2015 Elsevier B.V. All rights reserved.

分类号： R1

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