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Full genome sequences and molecular characterization of tick-borne encephalitis virus strains isolated from human patients

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F15%3A00111738" target="_blank" >RIV/00216224:14310/15:00111738 - isvavai.cz</a>

  • Alternative codes found

    RIV/60077344:_____/15:00448150 RIV/00027162:_____/15:#0001273 RIV/60460709:41340/15:65007 RIV/60076658:12310/15:43888821

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S1877959X1400185X" target="_blank" >https://www.sciencedirect.com/science/article/pii/S1877959X1400185X</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.ttbdis.2014.09.002" target="_blank" >10.1016/j.ttbdis.2014.09.002</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Full genome sequences and molecular characterization of tick-borne encephalitis virus strains isolated from human patients

  • Original language description

    Tick-borne encephalitis virus (TBEV) causes tick-borne encephalitis (TBE), one of the most important human neuroinfections across Eurasia. Up to date, only three full genome sequences of human European TBEV isolates are available, mostly due to difficulties with isolation of the virus from human patients. Here we present full genome characterization of an additional five low-passage TBEV strains isolated from human patients with severe forms of TBE. These strains were isolated in 1953 within Central Bohemia in the former Czechoslovakia, and belong to the historically oldest human TBEV isolates in Europe. We demonstrate here that all analyzed isolates are distantly phylogenetically related, indicating that the emergence of TBE in Central Europe was not caused by one predominant strain, but rather a pool of distantly related TBEV strains. Nucleotide identity between individual sequenced TBEV strains ranged from 97.5% to 99.6% and all strains shared large deletions in the 3' non-coding region, which has been recently suggested to be an important determinant of virulence. The number of unique amino acid substitutions varied from 3 to 9 in individual isolates, but no characteristic amino acid substitution typical exclusively for all human TBEV isolates was identified when compared to the isolates from ticks. We did, however, correlate that the exploration of the TBEV envelope glycoprotein by specific antibodies were in close proximity to these unique amino acid substitutions. Taken together, we report here the largest number of patient-derived European TBEV full genome sequences to date and provide a platform for further studies on evolution of TBEV since the first emergence of human TBE in Europe.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    30303 - Infectious Diseases

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2015

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Ticks and Tick-borne Diseases

  • ISSN

    1877-959X

  • e-ISSN

    1877-9603

  • Volume of the periodical

    6

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    9

  • Pages from-to

    38-46

  • UT code for WoS article

    000346222700005

  • EID of the result in the Scopus database

    2-s2.0-84930801558