Email this article SPECIES COMPOSITION AND GENETIC MARKERS OF TRANSMISSION-BORNE INFECTION AGENTS IN IXODES TICKS REMOVED FROM SUCTION-SUFFERED INDIVIDUALS IN THE TYUMEN REGION AND NEIGHBORING REGIONS IN 2018-2025.
- Authors: Stepanova K.B.1, Stepanova T.F.1, Plyshevsky G.V.1, Zmatrakova E.A.1, Bakshtanovskaya I.V.1, Rebeschenko A.1
-
Affiliations:
- Tyumen Region Infection Pathology Research Institute
- Section: ORIGINAL ARTICLES
- Submitted: 10.07.2025
- Accepted: 18.10.2025
- URL: https://iimmun.ru/iimm/article/view/17961
- DOI: https://doi.org/10.15789/2220-7619-SCA-17961
- ID: 17961
Cite item
Full Text
Abstract
The aim of this work was to identify genetic markers of tick-borne pathogens in ixodid ticks removed from people after contact in various landscape zones and habitats in the Tyumen region and Khanty-Mansi Autonomous Okrug during 2019-2025. Ticks removed from people who visited the clinic of the Tyumen Region Infection Pathology Research Institute in 2019-2025 were examined; data on the place of contact were recorded from the patients' words. Ticks were identified by morphological features and examined using the PCR method using commercial reagent kits. Among ticks removed from people after contact in the taiga and subtaiga zones, the proportion of I. persulcatus is significantly higher than D. reticulatus. In the forest-steppe zone, the ratio of species is 50% I. persulcatus - 45% D. reticulatus. In the city of Tyumen (in the subtaiga landscape subzone) 54% are I. persulcatus - 44% are D. reticulatus. The proportion of ticks containing at least one genetic marker changes significantly from 2019 to 2025: it increases among I. persulcatus and decreases among D. reticulatus. The detection of Borrelia in I. persulcatus increases and decreases in D. reticulatus. In D. reticulatus genetic markers of tick-borne encephalitis virus, Borrelia, and Ehrlichia were detected only in 2019, 2021, and 2025. Borrelia and Ehrlichia DNA it were detected in D. reticulatus only in the subtaiga zone, in I. persulcatus – in the northern forest-steppe, subtaiga and southern taiga. The percentage of detection of DNA of Borrelia in the subtaiga in I. persulcatus was higher than in D. reticulatus. Analysis of tick contacts with humans in various habitats showed that almost half of tick attacks occur in the city and in the areas adjacent to houses. As a result of the study, the species structure of ixodid ticks that contacted people in various landscape zones and habitats was characterized, as well as the prevalence of genetic markers of the tick-borne pathogens. The leading role of I. persulcatus in contacts with humans in all landscape zones and the significant role of D. reticulatus in urbanized habitats are shown, which requires continued monitoring of their epidemiological significance.
About the authors
Kseniya B. Stepanova
Tyumen Region Infection Pathology Research Institute
Email: StepanovaKB@Tniikip.rospotrebnadzor.ru
ORCID iD: 0000-0002-5420-0919
SPIN-code: 1967-8499
Scopus Author ID: 23767533600
Candidate of Medical Sciences, Director
Россия, 625026, Tyumen, Respubliki str., 147Tatyana F. Stepanova
Tyumen Region Infection Pathology Research Institute
Email: StepanovaTF@Tniikip.rospotrebnadzor.ru
ORCID iD: 0000-0002-6289-6274
SPIN-code: 1212-5143
Scopus Author ID: 7007079186
Doctor of Medical Sciences, Professor, Chief Researcher
Россия, 625026, Tyumen, Respubliki str., 147Georgiy V. Plyshevsky
Tyumen Region Infection Pathology Research Institute
Email: PlyshevskijGV@tniikip.rospotrebnadzor.ru
ORCID iD: 0000-0002-6101-2764
SPIN-code: 9573-5638
Biologist
Россия, 625026, Tyumen, Respubliki str., 147Elena A. Zmatrakova
Tyumen Region Infection Pathology Research Institute
Email: ZmatrakovaEA@tniikip.rospotrebnadzor.ru
ORCID iD: 0000-0002-8917-1900
SPIN-code: 7539-9500
Biologist
Россия, 625026, Tyumen, Respubliki str., 147Irina V. Bakshtanovskaya
Tyumen Region Infection Pathology Research Institute
Email: BakshtanovskayaIV@Tniikip.rospotrebnadzor.ru
ORCID iD: 0000-0003-1365-7741
SPIN-code: 5474-9140
Scopus Author ID: 6603476706
Scientific Secretary
Россия, 625026, Tyumen, Respubliki str., 147Anna Rebeschenko
Tyumen Region Infection Pathology Research Institute
Author for correspondence.
Email: RebeschenkoAP@Tniikip.rospotrebnadzor.ru
ORCID iD: 0000-0002-5511-2718
SPIN-code: 3261-8561
Scopus Author ID: 57212195607
epidemiologist
Россия, 625026, г.Тюмень, ул.Республики, д.147References
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СМИ зарегистрировано Федеральной службой по надзору в сфере связи, информационных технологий и массовых коммуникаций (Роскомнадзор).