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Noroviruses and sapoviruses are members of the family Caliciviridae and emerging enteric pathogens of humans and animals. Since their discovery and characterization in swine, relatively few strains have been described in detail. In order to investigate their genetic diversity, a total of 266 fecal samples collected in the province of Quebec, Canada, between(More)
This study reports the molecular characterization of novel caliciviruses, the St-Valérien-like viruses, which were isolated from pig feces in the province of Quebec, Canada between 2005 and 2007. The genomes of St-Valérien-like viruses contain 6409 nucleotides and include two main open reading frames (ORFs). ORF1 encodes the non structural (NS) polyprotein(More)
RNA silencing mediated by small RNAs (sRNAs) is a conserved regulatory process with key antiviral and antimicrobial roles in eukaryotes. A widespread counter-defensive strategy of viruses against RNA silencing is to deploy viral suppressors of RNA silencing (VSRs), epitomized by the P19 protein of tombusviruses, which sequesters sRNAs and compromises their(More)
Conventional broad range RT-PCR and real time RT-PCR assays designed to detect human noroviruses (NoVs) also efficiently detect swine NoVs. Investigation of the primers and probe binding sites revealed strong homologies between swine NoVs genomic sequences and human primer sequences. These findings have a serious impact on food diagnostic methods and(More)
At the request of the authors, PLOS Pathogens is retracting this publication following an investigation into concerns about the origin and assembly of Figure 6 and a mounting mistake in Figure 1B. The Northern blot depicted in Figure 6 contains several band duplications affecting the panels labelled 'IP@HA' and 'total RNA'. The figure was provided by(More)
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