Document Detail

The survey of porcine teschoviruses in field samples in China with a universal rapid probe real-time RT-PCR assay.
MedLine Citation:
PMID:  23138413     Owner:  NLM     Status:  Publisher    
A real-time reverse transcription polymerase chain reaction (RT-PCR) based on TaqMan was established and evaluated for quantitative detection of porcine teschoviruses (PTVs). A pair of primers and a TaqMan probe targeting on the highly conserved sequence of the 5'-untranslated region (5'-UTR) of one to 11 serotypes of PTV were designed. Standard plasmid DNA containing PCR amplification of the 5'-UTR were constructed and used to develop the real-time RT-PCR. The results indicated that the real-time RT-PCR was specific for detection of PTV with a detection limit of 10 copies/μL, but not for porcine parvovirus, porcine circovirus type 2, porcine reproductive and respiratory syndrome virus, pseudorabies virus, classical swine fever virus. The coefficient of variation of inter-assay and intra-assay were less than 3 %. A total of 91 clinical samples were tested by the real-time RT-PCR and virus isolation (OIE 2008) and positive rates were 79.12 % (72/91) and 57.14 % (48/91), respectively. In conclusion, the developed real-time RT-PCR assay was an effective method for detection and quantification of PTV in fields or organs of infected pigs.
Chaofan Zhang; Zhongtian Wang; Feng Hu; Yebing Liu; Zheng Qiu; Shun Zhou; Shangjin Cui; Ming Wang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-9
Journal Detail:
Title:  Tropical animal health and production     Volume:  -     ISSN:  1573-7438     ISO Abbreviation:  Trop Anim Health Prod     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  1277355     Medline TA:  Trop Anim Health Prod     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Preventive, VeterinaryCollege of Veterinary Medicine, China Agricultural University, Beijing, 100094, China.
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