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Effects of recombination on densovirus phylogeny

Effects of recombination on densovirus phylogeny Densoviruses are a group of arthropod-infecting viruses with a small single-stranded linear DNA genome. These viruses constitute the subfamily Densovirinae of the family Parvoviridae . While recombination in between vertebrate-infecting parvoviruses has been investigated, to date, no systematic analysis of recombination has been carried out for densoviruses. The aim of the present work was to study possible recombination events in the evolutionary history of densoviruses and to assess possible effects of recombination on phylogenies inferred using amino acid sequences of nonstructural (NS) and capsid (viral protein, VP) proteins. For this purpose, the complete or nearly complete genome nucleotide sequences of 40 densoviruses from the GenBank database were used to construct a phylogenetic cladogram. The viruses under study clustered into five distinct groups corresponding to the five currently accepted genera. Recombination within each group was studied independently. The RDP4 software revealed three statistically highly credible recombination events, two of which involved viruses of the genus Ambidensovirus , and the other, viruses from the genus Iteradensovirus . These recombination events led to mismatches between phylogenetic trees constructed using comparison of amino acid sequences of proteins encoded by genome regions of recombinant and non-recombinant origin (regulatory NS1 and NS3 proteins and capsid VP protein). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Effects of recombination on densovirus phylogeny

Archives of Virology , Volume 161 (1) – Jan 1, 2016

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References (67)

Publisher
Springer Journals
Copyright
Copyright © 2016 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
DOI
10.1007/s00705-015-2642-5
pmid
26475154
Publisher site
See Article on Publisher Site

Abstract

Densoviruses are a group of arthropod-infecting viruses with a small single-stranded linear DNA genome. These viruses constitute the subfamily Densovirinae of the family Parvoviridae . While recombination in between vertebrate-infecting parvoviruses has been investigated, to date, no systematic analysis of recombination has been carried out for densoviruses. The aim of the present work was to study possible recombination events in the evolutionary history of densoviruses and to assess possible effects of recombination on phylogenies inferred using amino acid sequences of nonstructural (NS) and capsid (viral protein, VP) proteins. For this purpose, the complete or nearly complete genome nucleotide sequences of 40 densoviruses from the GenBank database were used to construct a phylogenetic cladogram. The viruses under study clustered into five distinct groups corresponding to the five currently accepted genera. Recombination within each group was studied independently. The RDP4 software revealed three statistically highly credible recombination events, two of which involved viruses of the genus Ambidensovirus , and the other, viruses from the genus Iteradensovirus . These recombination events led to mismatches between phylogenetic trees constructed using comparison of amino acid sequences of proteins encoded by genome regions of recombinant and non-recombinant origin (regulatory NS1 and NS3 proteins and capsid VP protein).

Journal

Archives of VirologySpringer Journals

Published: Jan 1, 2016

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