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Archives of Virology

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01.08.2011 | Brief Report

Genetic variation and evolutionary analysis of broad bean wilt virus 2

verfasst von: Rosa M. Ferrer, Inmaculada Ferriol, Pedro Moreno, José Guerri, Luis Rubio

Erschienen in: Archives of Virology | Ausgabe 8/2011

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Abstract

The genetic variation and evolutionary mechanisms of broad bean wilt virus 2 (BBWV-2) were studied by nucleotide sequence analysis of four genomic regions of 30 isolates from different countries. Nucleotide diversity was high (0.198) for a plant virus. Phylogenetic and genetic structure analyses showed low population subdivision, suggesting a significant gene flow between distant geographic areas. Analysis of synonymous and nonsynonymous substitutions showed different negative selection pressures for different parts of the coding regions, but no positive selection was found. Several recombination detection methods showed that some BBWV-2 genomes might have originated from recombination or reassortment.

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Titel: Genetic variation and evolutionary analysis of broad bean wilt virus 2
verfasst von: Rosa M. Ferrer
Inmaculada Ferriol
Pedro Moreno
José Guerri
Luis Rubio
Publikationsdatum: 01.08.2011
Verlag: Springer Vienna
Erschienen in: Archives of Virology / Ausgabe 8/2011
Print ISSN: 0304-8608
Elektronische ISSN: 1432-8798
DOI: https://doi.org/10.1007/s00705-011-0990-3

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