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Tropical Journal of Pharmaceutical Research
Pharmacotherapy Group, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
ISSN: 1596-5996 EISSN: 1596-5996
Vol. 14, No. 5, 2015, pp. 853-858
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Bioline Code: pr15112
Full paper language: English
Document type: Research Article
Document available free of charge
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Tropical Journal of Pharmaceutical Research, Vol. 14, No. 5, 2015, pp. 853-858
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A Double Polymerase Chain Reaction Method for Detecting African Swine Fever and Swine Vesicular Disease Virus
Peng, Shanzhen; Wang, Yin; Yang, Zexiao; Yao, Xueping; Hu, Ling; Chen, Ping; Ren, Ranyang & Lin, Xingyu
Abstract
Purpose: To establish a double polymerase chain reaction (PCR) method for the simultaneous
detection of African swine fever virus (ASFV) and swine vesicular disease virus (SVDV).
Methods: By using reference sequences of ASFV and SVDV, this study synthesized parts of the genes
connected to the 19-T vector which was inserted into competent DH5α cells to establish recombinant
plasmids. Two specific primers of ASFV P72 proteins and SVDV genome were designed to amplify the
two target genes. Two pairs of primers and two kinds of recombinant plasmids were added to one PCR
reaction system to establish a double PCR assay for detection of the two diseases simultaneously. The
double PCR conditions were optimized and the sensitivity and specificity of the assay determined.
Results: The reaction was optimal with a final concentration of 0.36 μM for each primer, and a final
annealing temperature of 55.5 oC. The lowest target gene copy number for detecting SVDV and ASFV
was 7.6 × 102 and 1.5×105 copies/μL, respectively. The assay has a high level of specificity as only the
recombinant plasmids of ASFV and SVDV were amplified and control plasmids for three other diseases
- porcine circovirus (PCV), pseudorabies virus (PRV), and porcine parvovirus (PPV) - failed
amplification.
Conclusion: This study provides a rapid, sensitive and specific double PCR method for the
simultaneous detection of ASFV and SVDV.
Keywords
African swine fever; Swine vesicular disease; Polymerase chain reaction; Recombinant plasmids
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