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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">microbe</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы особо опасных инфекций</journal-title><trans-title-group xml:lang="en"><trans-title>Problems of Particularly Dangerous Infections</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0370-1069</issn><issn pub-type="epub">2658-719X</issn><publisher><publisher-name>Russian Research Anti-Plague Institute “Microbe”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21055/0370-1069-2023-2-106-111</article-id><article-id custom-type="elpub" pub-id-type="custom">microbe-1827</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Анализ множественной инфицированности иксодовых клещей Dermacentor reticulatus в сочетанном природном очаге трансмиссивных инфекций в Томской области</article-title><trans-title-group xml:lang="en"><trans-title>Analysis of Multiple Infection in Ixodic Ticks Dermacentor reticulatus in a Combined Natural Focus of Vector-Borne Infections in the Tomsk Region</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9478-3429</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воронкова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Voronkova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>2, Moskovsky Trakt, Tomsk, 634050</p></bio><email xlink:type="simple">Voronkova-ov@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0906-9496</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Романенко</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Romanenko</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, Томск, пр. Ленина, 36</p></bio><bio xml:lang="en"><p>36, Lenina Avenue, Tomsk, 634050</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0906-9496</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Симакова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Simakova</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, Томск, пр. Ленина, 36</p></bio><bio xml:lang="en"><p>36, Lenina Avenue, Tomsk, 634050</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7508-2878</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Есимова</surname><given-names>И. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Esimova</surname><given-names>I. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>2, Moskovsky Trakt, Tomsk, 634050</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8667-9306</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дьяков</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>D’yakov</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>2, Moskovsky Trakt, Tomsk, 634050</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7409-3770</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мотлохова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Motlokhova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>2, Moskovsky Trakt, Tomsk, 634050</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4008-5606</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чернышов</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernyshov</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>2, Moskovsky Trakt, Tomsk, 634050</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ямалетдинова</surname><given-names>Д. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Yamaletdinova</surname><given-names>D. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>2, Moskovsky Trakt, Tomsk, 634050</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Сибирский государственный медицинский университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГАОУ ВО «Национальный исследовательский Томский государственный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Tomsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>13</day><month>07</month><year>2023</year></pub-date><volume>0</volume><issue>2</issue><fpage>106</fpage><lpage>111</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Воронкова О.В., Романенко В.Н., Симакова А.В., Есимова И.Е., Дьяков Д.А., Мотлохова Е.А., Чернышов Н.А., Ямалетдинова Д.М., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Воронкова О.В., Романенко В.Н., Симакова А.В., Есимова И.Е., Дьяков Д.А., Мотлохова Е.А., Чернышов Н.А., Ямалетдинова Д.М.</copyright-holder><copyright-holder xml:lang="en">Voronkova O.V., Romanenko V.N., Simakova A.V., Esimova I.E., D’yakov D.A., Motlokhova E.A., Chernyshov N.A., Yamaletdinova D.M.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://journal.microbe.ru/jour/article/view/1827">https://journal.microbe.ru/jour/article/view/1827</self-uri><abstract><p>Цель исследования – охарактеризовать моно- и микст-инфицированность возбудителями трансмиссивных инфекций клещей Dermacentor reticulatus, обитающих в одном из антропоургических очагов Томской области. Материалы и методы. Клещи D. reticulatus собраны с растительности методом «на флаг» в августе и сентябре 2020–2021 гг. в лесопарковых зонах южной части г. Томска. Для выделения из гомогенатов клещей нуклеиновых кислот и последующей ПЦР-диагностики использовали наборы серии «РеалБест» (АО «ВекторБест», Новосибирск). Исследовано 184 индивидуальных образца нуклеиновых кислот на наличие молекулярногенетических маркеров вируса клещевого энцефалита (ВКЭ), патогенных боррелий, бабезий, риккетсий, анаплазм и эрлихий. Результаты и обсуждение. Спектр патогенов, обнаруженных по результатам ПЦР-анализа клещей, собранных в одном из антропоургических очагов Томской области в 2020 и 2021 гг., включает ВКЭ, патогенные боррелии, риккетсии и бабезии. Наибольший уровень инфицированности D. reticulatus установлен в отношении кандидатных возбудителей клещевых риккетсиозов (Rickettsia sp.) и бабезиозов (Babesia sp.). Общая частота сочетанного инфицирования D. reticulatus составила 12,88 %. Обнаружены семь различных ассоциаций патогенов, инфицирующих D. reticulatus. Большинство (88,24 %) выявленных случаев микст-инфицирования являлись ассоциациями риккетсий. Двойное инфицирование зарегистрировано в 94 % случаев от общего числа микст-вариантов. В одном образце обнаружены маркеры одновременно четырех возбудителей клещевых инфекций (ДНК Rickettsia species, ДНК Babesia species, ДНК Borrelia burgdorferi s.l. и РНК ВКЭ). Изменение ареала обитания D. reticulatus на фоне увеличения их численности определяет необходимость анализа эпидемиологической значимости клещей данного вида в смешанных очагах клещевых инфекций, особенно в зоне симпатрии с иксодовыми клещами других видов.</p></abstract><trans-abstract xml:lang="en"><p>The aim of the study was to characterize mono- and mixed infection with causative agents of vector-borne infections in Dermacentor reticulatus ticks inhabiting one of the anthropourgic foci of the Tomsk Region. Materials and methods. D. reticulatus ticks were collected from vegetation “on the flag” in the forest park zones of the southern part of Tomsk in August and September, 2020–2021. To isolate nucleic acids from homogenates of mites and subsequent PCR diagnostics, kits of the RealBest series (“Vector-Best”, Novosibirsk) were used. 184 individual samples of nucleic acids were examined for the presence of molecular-genetic markers of tick-borne encephalitis virus (TBEV), pathogenic borrelia, babesia, rickettsia, anaplasma, and ehrlichia. Results and discussion. The spectrum of pathogens detected through PCR assay of ticks collected in one of the anthropurgic foci of the Tomsk Region in 2020 and 2021 includes TBEV, pathogenic borrelia, rickettsia, and babesia. The highest rate of D. reticulatus infection has been established in relation to candidate pathogens of tick-borne rickettsioses (Rickettsia sp.) and babesioses (Babesia sp.). The overall frequency of co-infection in D. reticulatus was 12.88 %. Seven different associations of pathogens infecting D. reticulatus have been identified. The majority (88.24 %) of the detected cases of mixed infection were rickettsia associations. Double infection has been registered in 94 % of the total number of mixed variants. Markers of four tick-borne infection pathogens simultaneously (Rickettsia species DNA, Babesia species DNA, Borrelia burgdorferi s.l. DNA and TBEV RNA) have been found in one sample. Changes in areal of the D. reticulatus against the background of an increase in their numbers, determines the need to analyze the epidemiological significance of the ticks of this species in combined foci of tick-borne infections, especially in the zone of sympatry with ixodic ticks of other species.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Dermacentor reticulatus</kwd><kwd>природно-очаговые клещевые инфекции</kwd><kwd>множественная инфицированность</kwd><kwd>смешанный природный очаг</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Dermacentor reticulatus</kwd><kwd>natural-focal tick-borne infections</kwd><kwd>multiple infection</kwd><kwd>combined natural focus</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Коренберг Э.И., Помелова В.Г., Осин Н.С. Природно­ очаговые инфекции, передающиеся иксодовыми клещами. 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