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Phylogenetic analysis of Puumala virus strains from Central Europe highlights the need for a full-genome perspective on hantavirus evolution

R. Szabó, L. Radosa, M. Ličková, M. Sláviková, M. Heroldová, M. Stanko, M. Pejčoch, A. Osterberg, L. Laenen, S. Schex, RG. Ulrich, S. Essbauer, P. Maes, B. Klempa,

. 2017 ; 53 (6) : 913-917. [pub] 20170629

Jazyk angličtina Země Spojené státy americké

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/bmc18010446
E-zdroje Online Plný text

NLK ProQuest Central od 1997-01-01 do Před 1 rokem
Medline Complete (EBSCOhost) od 2011-02-01 do Před 1 rokem
Health & Medicine (ProQuest) od 1997-01-01 do Před 1 rokem
Public Health Database (ProQuest) od 1997-01-01 do Před 1 rokem

Puumala virus (PUUV), carried by bank voles (Myodes glareolus), is the medically most important hantavirus in Central and Western Europe. In this study, a total of 523 bank voles (408 from Germany, 72 from Slovakia, and 43 from Czech Republic) collected between the years 2007-2012 were analyzed for the presence of hantavirus RNA. Partial PUUV genome segment sequences were obtained from 51 voles. Phylogenetic analyses of all three genome segments showed that the newfound strains cluster with other Central and Western European PUUV strains. The new sequences from Šumava (Bohemian Forest), Czech Republic, are most closely related to the strains from the neighboring Bavarian Forest, a known hantavirus disease outbreak region. Interestingly, the Slovak strains clustered with the sequences from Bohemian and Bavarian Forests only in the M but not S segment analyses. This well-supported topological incongruence suggests a segment reassortment event or, as we analyzed only partial sequences, homologous recombination. Our data highlight the necessity of sequencing all three hantavirus genome segments and of a broader bank vole screening not only in recognized endemic foci but also in regions with no reported human hantavirus disease cases.

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$a Puumala virus (PUUV), carried by bank voles (Myodes glareolus), is the medically most important hantavirus in Central and Western Europe. In this study, a total of 523 bank voles (408 from Germany, 72 from Slovakia, and 43 from Czech Republic) collected between the years 2007-2012 were analyzed for the presence of hantavirus RNA. Partial PUUV genome segment sequences were obtained from 51 voles. Phylogenetic analyses of all three genome segments showed that the newfound strains cluster with other Central and Western European PUUV strains. The new sequences from Šumava (Bohemian Forest), Czech Republic, are most closely related to the strains from the neighboring Bavarian Forest, a known hantavirus disease outbreak region. Interestingly, the Slovak strains clustered with the sequences from Bohemian and Bavarian Forests only in the M but not S segment analyses. This well-supported topological incongruence suggests a segment reassortment event or, as we analyzed only partial sequences, homologous recombination. Our data highlight the necessity of sequencing all three hantavirus genome segments and of a broader bank vole screening not only in recognized endemic foci but also in regions with no reported human hantavirus disease cases.
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$a Radosa, Lukáš $u Institute of Virology, Charité University Hospital, Helmut-Ruska-Haus, Berlin, Germany. Department of Infectious Diseases, Faculty of Life Sciences and Medicine, King's College London, London, UK.
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$a Ličková, Martina $u Biomedical Research Center, Institute of Virology, Slovak Academy of Sciences, Bratislava, Slovakia.
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$a Pejčoch, Milan $u National Institute of Public Health, Prague, Czech Republic.
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$a Osterberg, Anja $u Department of Virology & Rickettsiology, Bundeswehr Institute of Microbiology, Munich, Germany.
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