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Artículo

Preferential host switching and its relation with Hantavirus diversification in South America

Rivera, Paula CeciliaIcon ; González Ittig, Raúl EnriqueIcon ; Gardenal, Cristina NoemiIcon
Fecha de publicación: 09/2015
Editorial: Society for General Microbiology
Revista: Journal of General Virology
ISSN: 0022-1317
e-ISSN: 1465-2099
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

In recent years, the notion of co-speciation between Hantavirus species and their hosts was discarded in favour of a more likely explanation: preferential host switching. However, the relative importance of this last process in shaping the evolutionary history of hantaviruses remains uncertain, given the present limited knowledge not only of virus–host relationships but also of the pathogen and reservoir phylogenies. In South America, more than 25 hantavirus genotypes were detected; several of them act as aetiological agents of hantavirus pulmonary syndrome (HPS). An understanding of the diversity of hantaviruses and of the processes underlying host switching is critical since human cases of HPS are almost exclusively the result of human–host interactions. In this study, we tested if preferential host switching is the main process driving hantavirus diversification in South America, by performing a co-phylogenetic analysis of the viruses and their primary hosts. We also suggest a new level of amino acid divergence to define virus species in the group. Our results indicate that preferential host switching would not be the main process driving virus diversification. The historical geographical proximity among rodent hosts emerges as an alternative hypothesis to be tested.
Palabras clave: Hantavirus , Rodent Hosts , Host Switching , Co-Phylogeny
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/53937
URL: http://jgv.microbiologyresearch.org/content/journal/jgv/10.1099/vir.0.000210
DOI: http://dx.doi.org/10.1099/vir.0.000210
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Articulos de INSTITUTO DE DIVERSIDAD Y ECOLOGIA ANIMAL
Citación
Rivera, Paula Cecilia; González Ittig, Raúl Enrique; Gardenal, Cristina Noemi; Preferential host switching and its relation with Hantavirus diversification in South America; Society for General Microbiology; Journal of General Virology; 96; 9; 9-2015; 2531-2542
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