Host specificity of Enterocytozoon bieneusi genotypes in Bactrian camels (Camelus bactrianus) in China
Abstract Background Enterocytozoon bieneusi is an obligate, intracellular fungus and is commonly reported in humans and animals. To date, there have been no reports of E. bieneusi infections in Bactrian camels (Camelus bactrianus). The present study was conducted to understand the occurrence and mol...
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doaj-3a37d1ee942a48a087cdadeddcd9b4fd2020-11-24T22:15:43ZengBMCParasites & Vectors1756-33052018-04-011111610.1186/s13071-018-2793-9Host specificity of Enterocytozoon bieneusi genotypes in Bactrian camels (Camelus bactrianus) in ChinaMeng Qi0Junqiang Li1Aiyun Zhao2Zhaohui Cui3Zilin Wei4Bo Jing5Longxian Zhang6College of Animal Science, Tarim UniversityCollege of Animal Science and Veterinary Medicine, Henan Agricultural UniversityCollege of Animal Science, Tarim UniversityCollege of Animal Science and Veterinary Medicine, Henan Agricultural UniversityCollege of Animal Science, Tarim UniversityCollege of Animal Science, Tarim UniversityCollege of Animal Science and Veterinary Medicine, Henan Agricultural UniversityAbstract Background Enterocytozoon bieneusi is an obligate, intracellular fungus and is commonly reported in humans and animals. To date, there have been no reports of E. bieneusi infections in Bactrian camels (Camelus bactrianus). The present study was conducted to understand the occurrence and molecular characteristics of E. bieneusi in Bactrian camels in China. Results Of 407 individual Bactrian camel fecal specimens, 30.0% (122) were E. bieneusi-positive by nested polymerase chain reaction (PCR) based on internal transcriber spacer (ITS) sequence analysis. A total of 14 distinct E. bieneusi ITS genotypes were obtained: eight known genotypes (genotype EbpC, EbpA, Henan-IV, BEB6, CM8, CHG16, O and WL17), and six novel genotypes (named CAM1 to CAM6). Genotype CAM1 (59.0%, 72/122) was the most predominant genotype in Bactrian camels in Xinjiang, and genotype EbpC (18.9%, 23/122) was the second-most predominant genotype. Phylogenetic analysis revealed that six known genotypes (EbpC, EbpA, WL17, Henan-IV, CM8 and O) and three novel genotypes (CAM3, CAM5 and CAM6) fell into the human-pathogenic group 1. Two known genotypes (CHG16 and BEB6) fell into the cattle host-specific group 2. The novel genotypes CAM1, CAM 2 and CAM4 cluster into group 8. Conclusions To our knowledge, this is the first report of E. bieneusi in Bactrian camels. The host-specific genotype CAM1 was the predominant genotype, which plays a negligible role in the zoonotic transmission of E. bieneusi. However, the second-most predominant genotype, EbpC, has greater zoonotic potential.http://link.springer.com/article/10.1186/s13071-018-2793-9Enterocytozoon bieneusiBactrian camelGenotypeHost specificity |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Meng Qi Junqiang Li Aiyun Zhao Zhaohui Cui Zilin Wei Bo Jing Longxian Zhang |
spellingShingle |
Meng Qi Junqiang Li Aiyun Zhao Zhaohui Cui Zilin Wei Bo Jing Longxian Zhang Host specificity of Enterocytozoon bieneusi genotypes in Bactrian camels (Camelus bactrianus) in China Parasites & Vectors Enterocytozoon bieneusi Bactrian camel Genotype Host specificity |
author_facet |
Meng Qi Junqiang Li Aiyun Zhao Zhaohui Cui Zilin Wei Bo Jing Longxian Zhang |
author_sort |
Meng Qi |
title |
Host specificity of Enterocytozoon bieneusi genotypes in Bactrian camels (Camelus bactrianus) in China |
title_short |
Host specificity of Enterocytozoon bieneusi genotypes in Bactrian camels (Camelus bactrianus) in China |
title_full |
Host specificity of Enterocytozoon bieneusi genotypes in Bactrian camels (Camelus bactrianus) in China |
title_fullStr |
Host specificity of Enterocytozoon bieneusi genotypes in Bactrian camels (Camelus bactrianus) in China |
title_full_unstemmed |
Host specificity of Enterocytozoon bieneusi genotypes in Bactrian camels (Camelus bactrianus) in China |
title_sort |
host specificity of enterocytozoon bieneusi genotypes in bactrian camels (camelus bactrianus) in china |
publisher |
BMC |
series |
Parasites & Vectors |
issn |
1756-3305 |
publishDate |
2018-04-01 |
description |
Abstract Background Enterocytozoon bieneusi is an obligate, intracellular fungus and is commonly reported in humans and animals. To date, there have been no reports of E. bieneusi infections in Bactrian camels (Camelus bactrianus). The present study was conducted to understand the occurrence and molecular characteristics of E. bieneusi in Bactrian camels in China. Results Of 407 individual Bactrian camel fecal specimens, 30.0% (122) were E. bieneusi-positive by nested polymerase chain reaction (PCR) based on internal transcriber spacer (ITS) sequence analysis. A total of 14 distinct E. bieneusi ITS genotypes were obtained: eight known genotypes (genotype EbpC, EbpA, Henan-IV, BEB6, CM8, CHG16, O and WL17), and six novel genotypes (named CAM1 to CAM6). Genotype CAM1 (59.0%, 72/122) was the most predominant genotype in Bactrian camels in Xinjiang, and genotype EbpC (18.9%, 23/122) was the second-most predominant genotype. Phylogenetic analysis revealed that six known genotypes (EbpC, EbpA, WL17, Henan-IV, CM8 and O) and three novel genotypes (CAM3, CAM5 and CAM6) fell into the human-pathogenic group 1. Two known genotypes (CHG16 and BEB6) fell into the cattle host-specific group 2. The novel genotypes CAM1, CAM 2 and CAM4 cluster into group 8. Conclusions To our knowledge, this is the first report of E. bieneusi in Bactrian camels. The host-specific genotype CAM1 was the predominant genotype, which plays a negligible role in the zoonotic transmission of E. bieneusi. However, the second-most predominant genotype, EbpC, has greater zoonotic potential. |
topic |
Enterocytozoon bieneusi Bactrian camel Genotype Host specificity |
url |
http://link.springer.com/article/10.1186/s13071-018-2793-9 |
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