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Novel Papillomaviruses in Free-Ranging Iberian Bats: No Virus–Host Co-evolution, No Strict Host Specificity, and Hints for Recombination

AutorGarcía-Pérez, Raquel; Ibáñez, Carlos ; Godínez, José M.; Aréchiga, Nidia; Garin, Inazio; González-Suárez, Gonzalo; De Paz, Óscar
Palabras claveBats
Fecha de publicación2014
EditorOxford University Press
CitaciónGenome Biology and Evolution 6: 94- 104 (2014)
ResumenPapillomaviruses (PVs) are widespread pathogens. However, the extent of PV infections in bats remains largely unknown. Thiswork represents the first comprehensive study of PVs in Iberian bats. We identified four novel PVs in themucosa of free-ranging Eptesicus serotinus (EserPV1, EserPV2, and EserPV3) and Rhinolophus ferrumequinum (RferPV1) individuals and analyzed their phylogenetic relationships within the viral family.We further assessed their prevalence in different populations of E. serotinus and its close relative E. isabellinus.Although it is frequent toread that PVs co-evolvewiththeirhost, that PVs are highly species-specific, andthat PVsdonot usually recombine, our results suggest otherwise. First, strict virus–host co-evolution is rejected by the existence of five, distantly related bat PV lineages and by the lack of congruence between bats and bat PVs phylogenies. Second, the ability of EserPV2 and EserPV3 to infect two different bat species (E. serotinus and E. isabellinus) argues against strict host specificity. Finally, the description of a second noncoding region in the RferPV1 genome reinforces the view of an increased susceptibility to recombination in the E2-L2 genomic region. These findings prompt the question of whether the prevailing paradigms regarding PVs evolution should be reconsidered
Versión del editorhttp://dx.doi.org/10.1093/gbe/evt211
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