Article (Scientific journals)
Co-infection with two closely related alphaherpesviruses results in a highly diversified recombination mosaic displaying negative genetic interference
Muylkens, Benoît; Farnir, Frédéric; Meurens, François et al.
2009In Journal of Virology, 83 (7), p. 3127-3137
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Keywords :
alphaherpes virus; interference; coinfection
Abstract :
[en] Phylogenetic studies of the emergence and spread of natural recombinants in herpesviruses infecting humans and animals have been reported recently. However, despite an ever-increasing amount of evidence of recombination in herpesvirus history, the recombination process and the consequences on the genetic diversity of the progeny remain poorly characterized. We addressed this issue by using multiple single-nucleotide polymorphisms (SNPs) differentiating the two subtypes of an alphaherpesvirus, bovine herpesvirus 1 (BoHV-1). Analysis of a large sample of progeny virions obtained in a single growth cycle of coinfected BoHV-1 strains provided a prospective investigation of the recombination dynamics by using SNPs as recombination markers. We found that the simultaneous infection with two closely related herpesviruses results in a highly diversified recombination mosaic. From the analysis of multiple recombinants arising in the progeny, we provide the first evidence of genetic interference influencing the recombination process in herpesviruses. In addition, we report striking differences in the levels of recombination frequency observed along the BoHV-1 genome. With particular emphasis on the genetic structure of a progeny virus population rising in vitro, our data show to which extent recombination participates to the genetic diversification of herpesviruses
Disciplines :
Genetics & genetic processes
Microbiology
Veterinary medicine & animal health
Author, co-author :
Muylkens, Benoît ;  Université de Liège - ULiège > Département des maladies infectieuses et parasitaires > Virologie, épidémiologie et pathologie des maladies virales
Farnir, Frédéric  ;  Université de Liège - ULiège > Département de productions animales > Biostatistique, économie, sélection animale
Meurens, François
Schynts, Frédéric
Vanderplasschen, Alain ;  Université de Liège - ULiège > Immunologie et vaccinologie
Georges, Michel  ;  Université de Liège - ULiège > Département de productions animales > GIGA-R : Génomique animale
Thiry, Etienne ;  Université de Liège - ULiège > Département des maladies infectieuses et parasitaires > Virologie, épidémiologie et pathologie des maladies virales
Language :
English
Title :
Co-infection with two closely related alphaherpesviruses results in a highly diversified recombination mosaic displaying negative genetic interference
Publication date :
2009
Journal title :
Journal of Virology
ISSN :
0022-538X
eISSN :
1098-5514
Publisher :
American Society for Microbiology (ASM), Washington, United States - District of Columbia
Volume :
83
Issue :
7
Pages :
3127-3137
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 17 November 2010

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