Journal of Medical Virology, volume 94, issue 6, pages 2510-2518

Omsk hemorrhagic fever virus is a tick‐borne encephalitis virus adapted to muskrat through host‐jumping

Publication typeJournal Article
Publication date2022-01-23
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor12.7
ISSN01466615, 10969071
Infectious Diseases
Virology
Abstract
Omsk hemorrhagic fever was first described in the early 1940s and is a natural focal infection, spread exclusively in four regions of Western Siberia, and associated with muskrat (Ondatra zibethicus). The etiological agent of this disease is the Omsk hemorrhagic fever virus (OHFV) which is closely related to the tick‐borne encephalitis virus (TBEV), and its range entirely lies within the TBEV area. OHFV belongs to the mammalian tick‐borne flaviviruses and the ecological group of arboviruses. The problem concerning the origin of OHFV remains unresolved to date. This study analyzed all nucleotide sequences of the OHFV genome obtained in the present study and available in GenBank, including the E gene fragment and the amino acid sequences of the surface glycoprotein encoded by it. The conclusions, based on the clusteron approach, suggest that OHFV originated directly from the TBEV of the Far Eastern subtype due to the host‐jump phenomenon, that is, through a rapid change from an arthropod host, Ixodes persulcatus, to a rodent, O. zibethicus. The muskrat was introduced to Western Siberia in the second half of the 1930s. The peculiarities of the biology and ecology of the muskrat in the new habitat became the reason for the TBEV cross‐species transmission. Calculations show that host‐jumping occurred between 1931 and 1947 and accompanied a cascade of adaptive amino acid substitutions in protein E. As a result, the virus changed its transmission to contact, alimentary, and airborne routes. Based on the data obtained, OHFV would be more correctly attributed to zoonotic viruses transmitted by rodents and, accordingly, to the ecological group of roboviruses.

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Kovalev S., Mazurina E. A. Omsk hemorrhagic fever virus is a tick‐borne encephalitis virus adapted to muskrat through host‐jumping // Journal of Medical Virology. 2022. Vol. 94. No. 6. pp. 2510-2518.
GOST all authors (up to 50) Copy
Kovalev S., Mazurina E. A. Omsk hemorrhagic fever virus is a tick‐borne encephalitis virus adapted to muskrat through host‐jumping // Journal of Medical Virology. 2022. Vol. 94. No. 6. pp. 2510-2518.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1002/jmv.27581
UR - https://doi.org/10.1002%2Fjmv.27581
TI - Omsk hemorrhagic fever virus is a tick‐borne encephalitis virus adapted to muskrat through host‐jumping
T2 - Journal of Medical Virology
AU - Mazurina, Elena A
AU - Kovalev, Sergey
PY - 2022
DA - 2022/01/23 00:00:00
PB - Wiley
SP - 2510-2518
IS - 6
VL - 94
SN - 0146-6615
SN - 1096-9071
ER -
BibTex |
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BibTex Copy
@article{2022_Kovalev,
author = {Elena A Mazurina and Sergey Kovalev},
title = {Omsk hemorrhagic fever virus is a tick‐borne encephalitis virus adapted to muskrat through host‐jumping},
journal = {Journal of Medical Virology},
year = {2022},
volume = {94},
publisher = {Wiley},
month = {jan},
url = {https://doi.org/10.1002%2Fjmv.27581},
number = {6},
pages = {2510--2518},
doi = {10.1002/jmv.27581}
}
MLA
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MLA Copy
Kovalev, Sergey, and Elena A Mazurina. “Omsk hemorrhagic fever virus is a tick‐borne encephalitis virus adapted to muskrat through host‐jumping.” Journal of Medical Virology, vol. 94, no. 6, Jan. 2022, pp. 2510-2518. https://doi.org/10.1002%2Fjmv.27581.
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