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  • Особенности циркуляции вируса Западного Нила (Flaviviridae, Flavivirus) и некоторых других арбовирусов в экосистемах дельты Волги, Волго-Ахтубинской поймы и сопредельных аридных ландшафтах (2000-2002 гг.)

    Author(s)
    Lvov, D. K.
    Kovtunov, A. I.
    Yashkulov, K. B.
    Gromashevsky, V. L.
    Djarkenov, A. F.
    Shchelkanov, M. Yu.
    Kulikova, L. N.
    Savidge, G.
    Chimidova, N. M.
    Mikhalyayeva, L. B.
    Vasilyev, A. V.
    Galkina, I. V.
    Prilipov, A. G.
    Kinni, R.
    Samokhvalov, E. I.
    Bushkiyeva, B. Ts.
    Gubler, D.
    Alkhovsky, S. K.
    Aristova, V. A.
    Deryabin, P. G.
    Butenko, A. M.
    Moskvina, T. M.
    Lvov, D. N.
    Zlobina, L. V.
    Lyapina, O. V.
    Sadykova, G. K.
    Shatalov, A. G.
    Usachyov, V. E.
    Voronina, A. G.
    Lunyova, L. I.
    Griffith University Author(s)
    Usachev, Evgeny
    Year published
    2004
    Metadata
    Show full item record
    Abstract
    Comprehensive virological, serological as well as genetic studies of the ecology of West Nile Virus (WNV) as well as of some other arboviruses were undertaken in different ecosystems in the territories of the Astrakhan Region and of the Kalmyk Republic. The main carriers (mosquitoes, ticks, birds and mammals) were defined as involved in the circulation of viruses within the natural and anthropogenic biocenosis. Phylogenetic examinations of isolated strains and samples, which were positive in RT-PCR, showed an absolute predominance of genotype I virus that was most closely related to American and Israeli strains. At the same ...
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    Comprehensive virological, serological as well as genetic studies of the ecology of West Nile Virus (WNV) as well as of some other arboviruses were undertaken in different ecosystems in the territories of the Astrakhan Region and of the Kalmyk Republic. The main carriers (mosquitoes, ticks, birds and mammals) were defined as involved in the circulation of viruses within the natural and anthropogenic biocenosis. Phylogenetic examinations of isolated strains and samples, which were positive in RT-PCR, showed an absolute predominance of genotype I virus that was most closely related to American and Israeli strains. At the same time, epidemic strains had up to 6% of nucleotide differences versus the historic strains isolated in the same region 20-30 years ago. Besides, the circulation of genotype IV was discovered; it was characterized by a lower pathogenicity, which, possibly, ensures the shaping of a pronounced immune interlayer bearing no epidemic consequences. An analysis of the study results on the WNV ecology denotes the epicenter of the endemic territory located in the middle part of the Volga delta.
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    Journal Title
    Voprosy Virusologii
    Volume
    49
    Issue
    3
    Subject
    Multi-Disciplinary
    Publication URI
    http://hdl.handle.net/10072/33077
    Collection
    • Journal articles

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