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Full-length genome analysis of G2, G9 and G11 porcine group A rotaviruses.
MedLine Citation:
PMID:  23017831     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Group A rotaviruses with G2 and G9 VP7 specificity are common in humans, while G11 strains have been detected only sporadically. G2, G9 and G11 rotaviruses also circulate in pigs and swine rotaviruses have been suspected of interspecies and zoonotic transmissions in numerous studies. However, the complete gene constellation of G2 and G9 porcine rotaviruses has not yet been determined. In order to start filling this gap, the genomic make up of two G2, one G9 and one G11 porcine rotavirus strains, detected in Canada in 2005-2007, was determined. With the exception of a G2P[34] strain, with E9 NSP4 type and mixed I5+I14 VP6 type, the constellation of genomic segments was rather conserved and were closely related to prototype porcine strains in the four viruses characterized (I5-R1-C1-M1-A8-N1-T7-E1-H1). Most notably, all the viruses displayed a rare NSP3 genotype, T7, which has also been identified in rare human reassortant strains and in the reference strain RVA/Cow-tc/GBR/UK/1973/G6P[5]. This study provides crucial genetic data on these complex viruses and will help understand the origin and ecological niche of gene segments and the role played by pigs in their evolution.
Authors:
Olivier Martel-Paradis; Marc-André Laurin; Vito Martella; Jagdip Singh Sohal; Yvan L'homme
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-7
Journal Detail:
Title:  Veterinary microbiology     Volume:  -     ISSN:  1873-2542     ISO Abbreviation:  Vet. Microbiol.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7705469     Medline TA:  Vet Microbiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Crown Copyright © 2012. Published by Elsevier B.V. All rights reserved.
Affiliation:
Canadian Food Inspection Agency, St-Hyacinthe Laboratory, 3400 Blvd Casavant West, St-Hyacinthe, Quebec, Canada J2S 8E3.
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