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Genomic characterization of swine caliciviruses representing a new genus of Caliciviridae

Genomic characterization of swine caliciviruses representing a new genus of Caliciviridae 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 and the major capsid protein (VP1) while ORF2 encodes the putative basic minor capsid protein. Typical conserved amino acid motifs predict a gene order reminiscent of calicivirus genomes. Phylogenetic, pairwise homology, and distance analyses performed on complete genomic sequences and partial amino acid sequences from the NTPase, polymerase, and major capsid protein segregated the St-Valérien-like viruses in a unique cluster sharing a common root with the Tulane virus and the noroviruses. Based on the genomic analyses presented, the St-Valérien-like viruses are members of a new genus of Caliciviridae for which we propose the name Valovirus. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Virus Genes Springer Journals

Genomic characterization of swine caliciviruses representing a new genus of Caliciviridae

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References (35)

Publisher
Springer Journals
Copyright
Copyright © 2009 by Springer Science+Business Media, LLC
Subject
Biomedicine; Plant Sciences ; Virology ; Medical Microbiology
ISSN
0920-8569
eISSN
1572-994X
DOI
10.1007/s11262-009-0360-3
pmid
19396587
Publisher site
See Article on Publisher Site

Abstract

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 and the major capsid protein (VP1) while ORF2 encodes the putative basic minor capsid protein. Typical conserved amino acid motifs predict a gene order reminiscent of calicivirus genomes. Phylogenetic, pairwise homology, and distance analyses performed on complete genomic sequences and partial amino acid sequences from the NTPase, polymerase, and major capsid protein segregated the St-Valérien-like viruses in a unique cluster sharing a common root with the Tulane virus and the noroviruses. Based on the genomic analyses presented, the St-Valérien-like viruses are members of a new genus of Caliciviridae for which we propose the name Valovirus.

Journal

Virus GenesSpringer Journals

Published: Apr 26, 2009

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