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Development of a qPCR assay for the quantification of porcine adenoviruses as an MST tool for swine fecal contamination in the environment

Hundesa, A, Maluquer de Motes, C, Albinana-Gimenez, N, Rodriguez-Manzano, J, Bofill-Mas, S, Suñen, E and Rosina Girones, R (2009) Development of a qPCR assay for the quantification of porcine adenoviruses as an MST tool for swine fecal contamination in the environment J Virol Methods, 158 (1-2). pp. 130-135.

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The Adenoviridae family comprises a wide diversity of viruses that may be excreted for long periods in feces or urine. Previous studies have suggested that the detection of human and animal adenoviruses as well as human and animal polyomaviruses by PCR could be used as an index of fecal contamination of human and animal origin. In this study, quantitative PCR assays targeting specifically porcine adenoviruses have been developed and applied to fecal and environmental samples, including pig slurries, urban sewage, slaughterhouse sewage and river water samples. To develop real-time quantitative PCR for the detection and quantitation of porcine adenoviruses, primers and a TaqMan probe targeting a 68-bp region of the porcine adenovirus hexon gene were designed to amplify specifically porcine adenovirus, and the conditions of the reaction were optimized. The assay detected 1-10 genome copies per test tube and was specific in showing no positive results when samples containing human or bovine adenoviruses were analyzed. Fecal samples contained mean concentrations of porcine adenoviruses of 10(5) GC/g while slaughterhouse wastewater samples showed mean values of 10(3) GC/ml. The assay detected porcine fecal pollution in samples that were highly diluted and had been collected at a considerable distance from the input source, such as river water. In general, the data presented here provide a quantitative tool for the analysis of porcine adenoviruses as indicators of the presence of porcine contamination in the environment, and support the detection of porcine adenoviruses by real-time quantitative PCR as a promising and valuable tool for source-tracking studies.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Hundesa, A
Maluquer de Motes,
Albinana-Gimenez, N
Rodriguez-Manzano, J
Bofill-Mas, S
Suñen, E
Rosina Girones, R
Date : June 2009
DOI : 10.1016/j.jviromet.2009.02.006
Uncontrolled Keywords : Adenoviruses, Porcine, Animals, DNA Primers, Environmental Pollution, Feces, Polymerase Chain Reaction, Rivers, Sensitivity and Specificity, Sewage, Swine
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 10:01
Last Modified : 24 Jan 2020 18:18

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