scholarly journals Ixodid ticks and tick-borne encephalitis virus prevalence in the South Asian part of Russia (Republic of Tuva)

2019 ◽  
Vol 10 (5) ◽  
pp. 959-969 ◽  
Author(s):  
Ivan Kholodilov ◽  
Oxana Belova ◽  
Ludmila Burenkova ◽  
Yuri Korotkov ◽  
Lidiya Romanova ◽  
...  
Keyword(s):  
South Asian ◽  
Encephalitis Virus ◽  
Ixodid Ticks ◽  
The South ◽  
Virus Prevalence ◽  
Tick Borne Encephalitis ◽  
Tick Borne Encephalitis Virus

Tick-Borne Encephalitis Virus Diversity in Ixodid Ticks and Small Mammals in South-Western Siberia, Russia

2016 ◽  
Vol 16 (8) ◽  
pp. 541-549 ◽  
Author(s):  
Valentina N. Bakhvalova ◽  
Galina S. Chicherina ◽  
Olga F. Potapova ◽  
Victor V. Panov ◽  
Victor V. Glupov ◽  
...  
Keyword(s):  
Small Mammals ◽  
Western Siberia ◽  
Encephalitis Virus ◽  
Ixodid Ticks ◽  
Virus Diversity ◽  
Tick Borne Encephalitis ◽  
Tick Borne Encephalitis Virus

Properties of the tick-borne encephalitis virus population during persistent infection of ixodid ticks and tick cell lines

2017 ◽  
Vol 8 (6) ◽  
pp. 895-906 ◽  
Author(s):  
Oxana A. Belova ◽  
Alexander G. Litov ◽  
Ivan S. Kholodilov ◽  
Liubov I. Kozlovskaya ◽  
Lesley Bell-Sakyi ◽  
...  
Keyword(s):  
Cell Lines ◽  
Persistent Infection ◽  
Encephalitis Virus ◽  
Ixodid Ticks ◽  
Virus Population ◽  
Tick Cell ◽  
Tick Borne Encephalitis ◽  
Tick Borne Encephalitis Virus

scholarly journals Tick-borne encephalitis virus – a review of an emerging zoonosis

2009 ◽  
Vol 90 (8) ◽  
pp. 1781-1794 ◽  
Author(s):  
K. L. Mansfield ◽  
N. Johnson ◽  
L. P. Phipps ◽  
J. R. Stephenson ◽  
A. R. Fooks ◽  
...  
Keyword(s):  
Clinical Manifestations ◽  
Northern China ◽  
Encephalitis Virus ◽  
Ixodid Ticks ◽  
Ixodes Persulcatus ◽  
Tick Borne Encephalitis ◽  
Far Eastern Russia ◽  
Tick Borne Encephalitis Virus ◽  
Far Eastern

During the last 30 years, there has been a continued increase in human cases of tick-borne encephalitis (TBE) in Europe, a disease caused by tick-borne encephalitis virus (TBEV). TBEV is endemic in an area ranging from northern China and Japan, through far-eastern Russia to Europe, and is maintained in cycles involving Ixodid ticks (Ixodes ricinus and Ixodes persulcatus) and wild vertebrate hosts. The virus causes a potentially fatal neurological infection, with thousands of cases reported annually throughout Europe. TBE has a significant mortality rate depending upon the strain of virus or may cause long-term neurological/neuropsychiatric sequelae in people affected. In this review, we comprehensively reviewed TBEV, its epidemiology and pathogenesis, the clinical manifestations of TBE, along with vaccination and prevention. We also discuss the factors which may have influenced an apparent increase in the number of reported human cases each year, despite the availability of effective vaccines.

The Ability of Ixodid Ticks (Acari: Ixodidae) to Support Reproduction of the Tick-Borne Encephalitis Virus

2018 ◽  
Vol 98 (9) ◽  
pp. 1369-1378 ◽  
Author(s):  
O. A. Belova ◽  
I. S. Kholodilov ◽  
A. G. Litov ◽  
G. G. Karganova
Keyword(s):  
Encephalitis Virus ◽  
Ixodid Ticks ◽  
Tick Borne Encephalitis ◽  
Tick Borne Encephalitis Virus

scholarly journals Comparative analysis of the tick-borne encephalitis virus (TBEV) infection of unfed adult ixodid ticks Ixodes pavlovsky Pomerantsev 1946 and Ixodes persulcatus Schulze in the area of sympatria of their natural habitats

2015 ◽  
Vol 20 (1) ◽  
pp. 20-26
Author(s):  
G. S Chicherina ◽  
O. V Morozova ◽  
V. V Panov ◽  
V. N Romanenko ◽  
S. A Bakhvalov ◽  
...  
Keyword(s):  
Encephalitis Virus ◽  
Ixodid Ticks ◽  
Ixodes Persulcatus ◽  
Anthropogenic Pressure ◽  
Laboratory Mice ◽  
Natural Habitats ◽  
Tick Borne Encephalitis ◽  
Ixodes Pavlovskyi ◽  
Tick Borne Encephalitis Virus ◽  
Tbev Infection

With the use of the ELISA method to detect an antigen, reverse transcription with quantitative real-time PCR with subtype-specific fluorescent probes, phylogenetic analysis of E and NS1 gene nucleotide sequences, bioassays with suckling mice, hemagglutination and neuroinvasiveness tests there was made a comparison of the tick-borne encephalitis virus (TBEV) infection of ixodid ticks Ixodes persulcatus P.Schulze and Ixodes pavlovskyi Pomerantsev 1946 in the area of sympatria of their natural habitats in the Novosibirsk region during growth period of their populations with the replacement ofprevailing species of monodominant type of the ixodid population structure. The ratio of 2 tick species didn’t depend on biotopes ofpine or birch forest but rather on the distance from the Novosibirsk Scientific Center: the lower anthropogenic pressure the smaller I.pavlovskyi proportion. The TBEV rate (including both pathogenic and apathogenic for laboratory mice virus), spectra of the TBEV3 main genetic types, neurovirulence and hemagglutination activity were similarfor both I.persulcatus and I.pavlovskyi. However, the proportion ofpathogenic for laboratory mice virus and the TBEV Far Eastern subtype, as well as viral loads of Siberian and European types for the TBEV from I.pavlovskyi were significantly higher than those from I.persulcatus.

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