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A generic real-time...
A generic real-time TaqMan assay for specific detection of lapinized Chinese vaccines against classical swine fever
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- Xia, Hongyan (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Inst för biomedicin och veterinär folkhälsovetenskap,Department of Biomedical Science and Veterinary Public Health
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- Belak, Sandor (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Inst för biomedicin och veterinär folkhälsovetenskap,Department of Biomedical Science and Veterinary Public Health
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(creator_code:org_t)
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- Elsevier BV, 2011
- 2011
- English.
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In: Journal of Virological Methods. - : Elsevier BV. - 0166-0934 .- 1879-0984. ; 175, s. 170-174
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https://res.slu.se/i...
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Abstract
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- Classical swine fever (CSF) is a highly contagious disease, causing severe economic losses in the pig industry worldwide. Vaccination of pigs with lapinized Chinese vaccines is still practised in some regions of the world, where the virus is enzootic, in order to prevent and control the disease. However, a single real-time assay that can detect all lapinized Chinese vaccines used widely, namely, Lapinized Philippines Coronel (LPC), Hog Cholera Lapinized virus (HCLV) and the Riems C-strain is still lacking. This study describes a real-time RT-PCR assay, targeting the N-pro gene region, for specific detection of these lapinized vaccine strains. The assay is highly sensitive, with a detection limit of 10 genome copies per reaction for HCLV and Riems C-strain and highly specific, as more than 100 strains of wild type CSFV representing all major genotypes were not detected. The assay is also highly repeatable: the coefficient of variation of Ct values in three runs was 2.77% for the detection of 10 copies of the vaccine viral RNA. This study provides a potentially useful tool for specific detection of the lapinized Chinese vaccines, HCLV and C-strain, and the differentiation of these vaccines from wild type CSFV. (C) 2011 Elsevier B.V. All rights reserved.
Subject headings
- LANTBRUKSVETENSKAPER -- Husdjursvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Animal and Dairy Sience (hsv//eng)
- LANTBRUKSVETENSKAPER -- Veterinärmedicin (hsv//swe)
- AGRICULTURAL SCIENCES -- Veterinary Science (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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