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  • Title: [Comparison of cell culture and RT-PCR for the detection of enterovirus in sewage and shellfish].
    Author: Sdiri K, Khelifi H, Belghith K, Aouni M.
    Journal: Pathol Biol (Paris); 2006 May; 54(5):280-4. PubMed ID: 16473478.
    Abstract:
    Enteric viruses contaminating the environment represent a danger for public health notably enteroviruses that are excreted in stools and can contaminate wastewater and shellfish. The ability of enteroviruses to grow in cell culture and the development of techniques of molecular biology applied to their detection make these viruses a good marker of viral pollution of aquatic environment. The aim of our study was to develop a rapid and sensitive RT-PCR technique, able to detect enterovirus RNA in wastewater and shellfish. From 26 samples of wastewater and 56 samples of shellfish, 50.0 and 42.8% were found positive by RT-PCR, respectively, whereas 38.4 and 28.5% were positive by culture, respectively (P=0.077 by chi square test). The two techniques were found concordant in 57.3% of the 82 combined samples, whereas 23 samples (28.0%) were positive only by RT-PCR and that 12 samples (14.6%) were positive only by culture. These discrepancies illustrate the fact that the two techniques are not equivalent: the molecular technique allows the detection of not cultivable samples but is sensitive to PCR inhibitors that are present in large amounts in environmental samples.
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