Genetic diversity of tick-borne pathogenes in Tomsk and environs

Genetic diversity of tick-borne pathogenes in Tomsk and environs

Two urban and two suburban biotopes of Tomsk were studied for tick-transmitted disease prevalence in ticks collected in the wild. Tick-borne encephalitis virus (TBEV), West Nile virus (WNV), Borrelia spp., Rickettsia spp., and Ehrlichia spp. were found in 6.5%, 2.2%, 8%, 2.5%, and 1.7% of tick speci...

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Bibliographic Details
Published in:Entomological review Vol. 90; no. 2; pp. 240 - 250
Main Authors: Chausov, E. V, Ternovoi, V. A, Protopopova, E. V, Konovalova, S. N, Kononova, Yu. V, Pershikova, N. L, Moskvitina, N. S, Romanenko, V. N, Ivanova, N. V, Bolshakova, N. P, Moskvitin, S. S, Korobitsin, I. G, Gashkov, S. I, Tiutenkov, O. Yu, Kuranova, V. N, Kravchenko, L. B, Suchkova, N. G, Agulova, L. P, Loktev, V. B
Format: Journal Article
Language:English
Published: Dordrecht Dordrecht : SP MAIK Nauka/Interperiodica 01-05-2010
SP MAIK Nauka/Interperiodica
Springer
Subjects:
Analysis
Babesia
Bartonella
Biological diversity
Biomedical and Life Sciences
Borrelia
Coexistence
Disease transmission
Ehrlichia
Encephalitis
Genetic diversity
Genetic markers
Genotypes
Ixodidae
Life Sciences
Pathogens
Powassan virus
Reviews
Rickettsia
Tick-borne encephalitis
Tick-borne encephalitis virus
West Nile fever
West Nile virus
Zoology
West Nile Virus
Ixodid Tick
Entomological Review
West Nile Fever
Babesia
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Summary:Two urban and two suburban biotopes of Tomsk were studied for tick-transmitted disease prevalence in ticks collected in the wild. Tick-borne encephalitis virus (TBEV), West Nile virus (WNV), Borrelia spp., Rickettsia spp., and Ehrlichia spp. were found in 6.5%, 2.2%, 8%, 2.5%, and 1.7% of tick specimens, respectively. Genetic markers of Powassan virus, Bartonella spp., and Babesia spp. were not found. Analysis of the genetic diversity of revealed pathogens demonstrated that TBEV strains belonged to the Siberian and Far-Eastern subtypes, and the Far-Eastern subtype of TBEV is most frequently found in urban biotopes (up to 43% of urban strains of TBEV). WNV strains belonged to the 1a genotype. Borrelia spp. was classified as B. garinii, Rickettsia spp. was classified as R. tarasevichiae and probably as a new Rickettsia raoultii subspecies, and Ehrlichia spp. was classified as E. muris. The coexistence of several pathogens was found in 5.7% of tick specimens, and TBEV + Borrelia spp. was the most frequent combination.
Bibliography:http://dx.doi.org/10.1134/S0013873810020090
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0013-8738
1555-6689
DOI:10.1134/S0013873810020090