Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases · 2016
Influence of vaccine strains on the evolution of canine distemper virus.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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da Fontoura Budaszewski Renata, Streck André Felipe, Nunes Weber Matheus, Maboni Siqueira Franciele, Muniz Guedes Rafael Lucas, Wageck Canal Cláudio
Аннотация
Canine distemper virus (CDV) is a major dog pathogen belonging to the genus Morbillivirus of the family Paramyxoviridae. CDV causes disease and high mortality in dogs and wild carnivores. Although homologous recombination has been demonstrated in many members of Paramyxoviridae, these events have rarely been reported for CDV. To detect potential recombination events, the complete CDV genomes available in GenBank up to June 2015 were screened using distinct algorithms to detect genetic conversions and incongruent phylogenies. Eight putative recombinant viruses derived from different CDV genotypes and different hosts were detected. The breakpoints of the recombinant strains were primarily located on fusion and hemagglutinin glycoproteins. These results suggest that homologous recombination is a frequent phenomenon in morbillivirus populations under natural replication, and CDV vaccine strains might play an important role in shaping the evolution of this virus.