Article (Scientific journals)
Development of a nest-PCR for detection of Fasciola hepatica DNA in the intermediate snail host, Radix cucunorica, and the prevalence in northwestern China.
Huang, Si-Yang; Gong, Jing-Zhi; Yang, Bin et al.
2019In Infection, Genetics and Evolution: Journal of Molecular Epidemiology and Evolutionary Genetics of Infectious Diseases, 75, p. 103984
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Keywords :
Epidemiology; Fasciola hepatica; Nest-PCR; Radix cucunorica; DNA, Helminth; Animals; China/epidemiology; DNA, Helminth/genetics; Fasciola hepatica/genetics; Fasciola hepatica/isolation & purification; Fascioliasis/diagnosis; Fascioliasis/epidemiology; Polymerase Chain Reaction/methods; Population Surveillance; Prevalence; Sample Size; Sensitivity and Specificity; Snails/parasitology; China; Fascioliasis; Polymerase Chain Reaction; Snails; Microbiology; Ecology, Evolution, Behavior and Systematics; Molecular Biology; Genetics; Microbiology (medical); Infectious Diseases
Abstract :
[en] Fasciolosis, a foodborne zoonotic disease, caused by Fasciola species which is considered an important problem for human health and livestock husbandry development. Snails are intermediate hosts of F. hepatica, the epidemiological surveillance of snails can evaluate the transmission risk of this disease in human and livestock. In this study, we developed a nest-polymerase chain reaction (nest-PCR) to detect the DNA of F. hepatica in Radix cucunorica, a prevalent intermediate host of this parasite in northwestern China. The nest-PCR was used to amplify a 208 bp fragment of the second internal transcribed spacer (ITS-2) of F. hepatica with two pairs of primers. The method was able to detect up to 0.16 fg genomic DNA in a 25 μL PCR reaction system even effected with high concentrations of snail DNA, and no cross reaction was observed from the genomic DNA of Paramphistomum cervi, Clonorchis sinensis, Orientobilharzia turkestanicum, Metorchis orientalis, Dicrocoelium chinensis. To evaluate the transmission risk of this disease, 409 snail samples collected from different areas of Gansu province were used to detect and analyze the transmission risk of F. hepatica in this area. Of 409 snail samples, the overall prevalence is 43.76%. The prevalence was 92.75% in Gannan Tibetan Autonomous Prefecture, while no snail was positive for F. hepatica in Linxia Hui Autonomous Prefecture. The nest-PCR was firstly used to detect the infection of F. hepatica in snail. It is a novel, useful and convenient method with high sensitivity and specificity. This study is the first report about the epidemiological surveillance of snail infection by F. hepatica in northwestern China, which will help to evaluate the transmission risk of F. hepatica in northwestern China.
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Huang, Si-Yang;  Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Jiangsu Co-innovation Center for Prevention, Control of Important Animal Infectious Diseases and Zoonosis, Jiangsu Key Laboratory of Zoonosis, Yangzhou, Jiangsu Province 225009, PR China, State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province 730046, PR China. Electronic address: siyang.huang@hotmail.com
Gong, Jing-Zhi;  Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Jiangsu Co-innovation Center for Prevention, Control of Important Animal Infectious Diseases and Zoonosis, Jiangsu Key Laboratory of Zoonosis, Yangzhou, Jiangsu Province 225009, PR China
Yang, Bin  ;  Université de Liège - ULiège > Fundamental and Applied Research for Animals and Health (FARAH) ; Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Jiangsu Co-innovation Center for Prevention, Control of Important Animal Infectious Diseases and Zoonosis, Jiangsu Key Laboratory of Zoonosis, Yangzhou, Jiangsu Province 225009, PR China
Fan, Yi-Min;  Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Jiangsu Co-innovation Center for Prevention, Control of Important Animal Infectious Diseases and Zoonosis, Jiangsu Key Laboratory of Zoonosis, Yangzhou, Jiangsu Province 225009, PR China
Yao, Na;  Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Jiangsu Co-innovation Center for Prevention, Control of Important Animal Infectious Diseases and Zoonosis, Jiangsu Key Laboratory of Zoonosis, Yangzhou, Jiangsu Province 225009, PR China
Wang, Chun-Ren ;  College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang Province 163319, PR China
Language :
English
Title :
Development of a nest-PCR for detection of Fasciola hepatica DNA in the intermediate snail host, Radix cucunorica, and the prevalence in northwestern China.
Publication date :
November 2019
Journal title :
Infection, Genetics and Evolution: Journal of Molecular Epidemiology and Evolutionary Genetics of Infectious Diseases
ISSN :
1567-1348
eISSN :
1567-7257
Publisher :
Elsevier B.V., Netherlands
Volume :
75
Pages :
103984
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
This work was supported by the National Key Research and Development Program of China (Grant No. 2017YFD0501200 ), the “ National Key Basic Research Program (973 Program) of China” (Grant No. 2015CB150300 ), and A Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (Veterinary Medicine);
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