CHARACTERISTICS OF THE BAIKAL SUBTYPE OF TICK-BORNE ENCEPHALITIS VIRUS CIRCULATING IN EASTERN SIBERIA

Author:

Kozlova I. V.1,Demina T. V.2,Tkachev S. E.3,Doroshchenko E. K.1,Lisak O. V.2,Verkhozina M. M.4,Karan L. S.5,Dzhioev Yu. P.6,Paramonov A. I.1,Suntsova O. V.1,Savinova Yu. S.1,Chernoivanova O. O.1,Ruzek D.7,Tikunova N. V.5,Zlobin V. I.6

Affiliation:

1. Scientific Сentre for Family Health and Human Reproduction Problems

2. Irkutsk State University of Agriculture

3. Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences

4. Center for Hygiene and Epidemiology in the Irkutsk Region

5. Central Research Institute of Epidemiology

6. Research Institute of Biomedical Technology of Irkutsk State Medical University

7. Veterinary Research Institute

Abstract

Background. During the study of the genetic variability of the tick-borne encephalitis virus (TBEV) in Eastern Siberia, a group of 22  strains with a unique genetic structure significantly different from all  known TBEV subtypes was identified. This TBEV variant was  tentatively called “group 886”. Therefore, for this original TBEV  variant it was necessary to study the genetic, biological properties of the “group 886” strains, clarify its TBEV taxonomic status, its range, evolutionary history, etc.Aim. The generalization of the currently available data on genetic and biological properties of TBEV “886” group.Materials and methods. The genetic structure of “group 886” strains was studied by the complex of molecular-genetic methods (MHNA, sequencing of fragments or the complete genome).Results. It was shown that “group 886” strains form a separate cluster on phylogenetic tree, and the level of genetic differences  from other genotypes is more than 12 %. It was defined that this  TBEV variant has its own area (Irkutsk region, Republic of Buryatia,  Trans-Baikal region, Northern Mongolia). Its ecological connection  with all links of the transmissive chain (ixodid ticks, small mammals,  human), participation in human pathology, stability and duration of  circulation in the Baikal region, individual evolutionary history  were proved. Some phenotypic characteristics of the “group 886” strains were considered.Conclusion. The presented data testify to the validity of the “886 group” isolation as an independent genetic type. Taking into account  the geographical distribution of this TBEV genotype, we propose to assign it the name “Baikal genotype/subtype”.

Publisher

FSPSI SCFHHRP

Reference19 articles.

1. Andaev E.I., Sidorova E.A., Borisova T.I., Trukhina A.G., Karan' L.S., Pogodina V.V., Turanov A.O., Adel'shin R.V., Nagibina O.A., Vershinin E.A. Kleshchevoi entsefalit v Zabaikal'skom krae i molekulyarno-biologicheskaya kharakteristika vozbuditelya // Natsional'nye prioritety Rossii. – 2011. – № 2 (5). – S. 148–149. Andaev EI, Sidorova EA, Borisova TI, Trukhina AG, Karan LS, Pogodina VV, Turanov AO, Adelshin RV, Nagibina OA, Vershinin EA. (2011). Tick-borne encephalitis in the Trans-Baikal region, and molecular- biological characteristics of the pathogen [Kleshchevoy entsefalit v Zabaykal’skom krae i molekulyarno-biologicheskaya kharakteristika vozbuditelya]. Natsional’nye prioritety Rossii, 2 (5), 148-149.

2. Demina T.V., Dzhioev Yu.P., Verkhozina M.M., Kozlova I.V., Tkachev S.E., Doroshchenko E.K., Lisak O.V., Zlobin V.I. Geneticheskaya variabel'nost' i genotipirovanie virusa kleshchevogo entsefalita s pomoshch'yu dezoksioligonukleotidnykh zondov // Voprosy virusologii. – 2009. – № 3. – S. 33–42. Demina TV, Dzhioev YuP, Verkhozina MM, Kozlova IV, Tkachev SE, Doroshchenko EK, Lisak OV, Zlobin VI. (2009). Genetic variability and genotyping of tick-borne encephalitis virus with desoxyoligonucleotide probes [Geneticheskaya variabel’nost’ i genotipirovanie virusa kleshchevogo entsefalita s pomoshch’yu dezoksioligonukleotidnykh zondov]. Voprosy virusologii, (3), 33-42.

3. Demina T.V., Dzhioev Yu.P., Kozlova I.V., Verkhozina M.M., Tkachev S.E., Doroshchenko E.K., Lisak O.V., Paramonov A.I., Zlobin V.I. Genotipy 4 i 5 virusa kleshchevogo entsefalita: osobennosti struktury genomov i vozmozhnyi stsenarii ikh formirovaniya // Voprosy virusologii. – 2012. – № 4 (57). – S. 13–19. Demina TV, Dzhioev YuP, Kozlova IV, Verkhozina MM, Tkachev SE, Doroshchenko EK, Lisak OV, Paramonoa AI, Zlobin VI (2012). Genotypes 4 and 5 of tick-borne encephalitis virus: stryctural features of genomes and a possible scenario for their formation [Genotipy 4 i 5 virusa kleshchevogo entsefalita: osobennosti struktury genomov i vozmozhnyy stsenariy ikh formirovaniya]. Voprosy virusologii, 4 (57), 13-19.

4. Zlobin V.I., Demina T.V., Belikov S.I., Butina T.V., Gorin O.Z., Adel'shin R.V., Grachev M.A. Geneticheskoe tipirovanie shtammov virusa kleshchevogo entsefalita na osnove analiza gomologii fragmenta belka obolochki // Voprosy virusologii. – 2001. – № 1. – S. 17–22. Zlobin VI, Demina TV, Belikov SI, Butina TV, Gorin OZ, Adelshin RV, Grachev MA. (2001). Genetic typing of TBEV strains in terms of homology analysis of an envelope proteins gene fragment [Geneticheskoe tipirovanie shtammov virusa kleshchevogo entsefalita na osnove analiza gomologii fragmenta belka obolochki]. Voprosy virusologii, (1), 17-22.

5. Zlobin V.I., Belikov S.I., Dzhioev Yu.P., Demina T.V., Kozlova I.V. Molekulyarnaya epidemiologiya kleshchevogo entsefalita. – Irkutsk: RIO VSNTs SO RAMN, 2003. – 272 s. Zlobin VI, Belikov SI, Dzhioev YuP, Demina TV, Kozlova IV. (2003). Molecular epidemiology of tick-borne encephalitis [Molekulyarnaya epidemiologiya kleshchevogo entsefalita]. Irkutsk, 271 p.

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