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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">10.21055/0370-1069-2021-1-122-127</article-id><article-id custom-type="elpub" pub-id-type="custom">microbe-1447</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>Молекулярно-генетический мониторинг геновариантов SARS-CoV-2 на территории Приволжского федерального округа Российской Федерации. Сообщение 1</article-title><trans-title-group xml:lang="en"><trans-title>Molecular-Genetic Monitoring of SARS-CoV-2 Genovariants in the Territory of the Volga Federal District of the Russian Federation. Communication 1</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0954-5683</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Осина</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Osina</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410005, Саратов, ул. Университетская, 46</p></bio><bio xml:lang="en"><p>46, Universitetskaya St., Saratov, 410005</p></bio><email xlink:type="simple">rusrapi@microbe.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/0000-0002-4909-2394</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Краснов</surname><given-names>Я. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Krasnov</surname><given-names>Ya. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410005, Саратов, ул. Университетская, 46</p></bio><bio xml:lang="en"><p>46, Universitetskaya St., Saratov, 410005</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/0000-0003-3763-9708</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гусева</surname><given-names>Н. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Guseva</surname><given-names>N. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410005, Саратов, ул. Университетская, 46</p></bio><bio xml:lang="en"><p>46, Universitetskaya St., Saratov, 410005</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/0000-0003-2405-2684</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Булгакова</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Boolgakova</surname><given-names>E. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410005, Саратов, ул. Университетская, 46</p></bio><bio xml:lang="en"><p>46, Universitetskaya St., Saratov, 410005</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/0000-0002-4731-8089</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Доманина</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Domanina</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410005, Саратов, ул. Университетская, 46</p></bio><bio xml:lang="en"><p>46, Universitetskaya St., Saratov, 410005</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/0000-0002-8260-4670</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Катышев</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Katyshev</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410005, Саратов, ул. Университетская, 46</p></bio><bio xml:lang="en"><p>46, Universitetskaya St., Saratov, 410005</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/0000-0002-5903-7700</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Уткин</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Utkin</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410005, Саратов, ул. Университетская, 46</p></bio><bio xml:lang="en"><p>46, Universitetskaya St., Saratov, 410005</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/0000-0003-1923-6016</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Виноградова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vinogradova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410005, Саратов, ул. Университетская, 46</p></bio><bio xml:lang="en"><p>46, Universitetskaya St., Saratov, 410005</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/0000-0002-1717-8804</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кудряшов</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kudryashov</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410005, Саратов, ул. Университетская, 46</p></bio><bio xml:lang="en"><p>46, Universitetskaya St., Saratov, 410005</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/0000-0002-2234-2760</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Полунина</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Polunina</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410005, Саратов, ул. Университетская, 46</p></bio><bio xml:lang="en"><p>46, Universitetskaya St., Saratov, 410005</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/0000-0001-7663-5502</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Красовская</surname><given-names>Т. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Krasovskaya</surname><given-names>T. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410005, Саратов, ул. Университетская, 46</p></bio><bio xml:lang="en"><p>46, Universitetskaya St., Saratov, 410005</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/0000-0002-8334-9173</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Портенко</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Portenko</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410005, Саратов, ул. Университетская, 46</p></bio><bio xml:lang="en"><p>46, Universitetskaya St., Saratov, 410005</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/0000-0003-1143-4069</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щербакова</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shcherbakova</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410005, Саратов, ул. Университетская, 46</p></bio><bio xml:lang="en"><p>46, Universitetskaya St., Saratov, 410005</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/0000-0003-3788-3452</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кутырев</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kutyrev</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410005, Саратов, ул. Университетская, 46</p></bio><bio xml:lang="en"><p>46, Universitetskaya St., Saratov, 410005</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФКУЗ «Российский научно-исследовательский противочумный институт «Микроб»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Research Anti-Plague Institute“Microbe”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>16</day><month>04</month><year>2021</year></pub-date><volume>0</volume><issue>1</issue><fpage>122</fpage><lpage>127</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Осина Н.А., Краснов Я.М., Гусева Н.П., Булгакова Е.Г., Доманина И.В., Катышев А.Д., Уткин Д.В., Виноградова О.В., Кудряшов Н.В., Полунина Т.А., Красовская Т.Ю., Портенко С.А., Щербакова С.А., Кутырев В.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Осина Н.А., Краснов Я.М., Гусева Н.П., Булгакова Е.Г., Доманина И.В., Катышев А.Д., Уткин Д.В., Виноградова О.В., Кудряшов Н.В., Полунина Т.А., Красовская Т.Ю., Портенко С.А., Щербакова С.А., Кутырев В.В.</copyright-holder><copyright-holder xml:lang="en">Osina N.A., Krasnov Y.M., Guseva N.P., Boolgakova E.G., Domanina I.V., Katyshev A.D., Utkin D.V., Vinogradova O.V., Kudryashov N.V., Polunina T.A., Krasovskaya T.Y., Portenko S.A., Shcherbakova S.A., Kutyrev V.V.</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/1447">https://journal.microbe.ru/jour/article/view/1447</self-uri><abstract><p>Появление различных геновариантов вируса SARS-CoV-2, характеризующихся более высокой, по сравнению с исходными вариантами, способностью к распространению и более тяжелыми клиническими проявлениями, требует проведения молекулярно-генетического мониторинга штаммов, циркулирующих на территории Российской Федерации.</p><p>Цель исследования – выявление геновариантов VOC SARS-CoV-2 на территории республик Башкортостан, Татарстан, Удмуртия и Самарской, Пензенской, Саратовской, Ульяновской, Оренбургской областей.</p><sec><title>Материалы и методы</title><p>Материалы и методы. Выявление геновариантов и определение типа мутаций осуществляли методом секвенирования фрагментов по Сэнгеру.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. В работе исследовали 298 проб клинического материала, полученных из центров гигиены и эпидемиологии в республиках Башкортостан, Татарстан, Удмуртия, Самарской, Пензенской, Саратовской, Ульяновской, Оренбургской областях. В 17 % случаев наблюдали вариабельность вируса SARS-CoV-2 по одному или нескольким маркерам: в трех пробах выявлен новый коронавирус линии В.1.1.7 «Британский»; в ряде случаев у обнаруженного в пробах вируса детектировали наличие только одной мутации – делеции Y144 или замены D138Y, E484K, N501Y, крайне редко двух мутаций – делеции Y144 и замены E484K. Показано наличие в 10 % случаев у детектированных SARS-CoV-2 делеции L141-G142-V143, локализованной в рецидивирующем делеционном регионе S-гена RDR2. Получены данные, указывающие на гетерогенность в макроорганизме популяции нового коронавируса с делецией L141-G142-V143, которая приводит к изменению антигенной структуры вируса, что, вероятно, позволяет ему уклоняться от иммунного ответа.</p></sec></abstract><trans-abstract xml:lang="en"><p>Emergence of various genovariants of the SARS-CoV-2 virus, which are characterized by a higher ability to spread and a more severe clinical manifestations compared to the initial variants, require molecular-genetic monitoring of strains circulating in the Russian Federation.</p><p>The aim of the work was to identify the VOC SARS-CoV-2 genovariants in the territory of the Republics of Bashkortostan, Tatarstan, Udmurtia, and Samara, Penza, Saratov, Ulyanovsk, and Orenburg Regions.</p><sec><title>Materials and methods</title><p>Materials and methods. The identification of genovariants and the determination of the type of mutations was carried out by the Sanger fragment sequencing method.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. The study examined 298 samples of clinical material obtained from the Centers for Hygiene and Epidemiology in the Republics of Bashkortostan, Tatarstan, Udmurtia, Samara, Penza, Saratov, Ulyanovsk, and Orenburg Regions. In 17 % of cases, the variability of the SARS-CoV-2 virus was observed for one or more markers: in three samples, a new coronavirus of the B. 1.1.7 line (“British”) was detected; in a number of cases, only one mutation was detected in the virus found in samples – deletion Y144 or substitution D138Y, E484K, N501Y, and very rarely two mutations – deletion Y144 and substitution E484K. The presence of the L141-G142-V143 deletion localized in the recurrent deletion region RDR2 of the S-gene was shown in 10 % of the cases. The data obtained indicate the heterogeneity in macroorganism of the population of the new coronavirus with the deletion L141-G142-V143, which leads to a change in the antigenic structure of the virus, which probably allows the virus to evade the immune response.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>геноварианты</kwd><kwd>SARS-CoV-2</kwd><kwd>фрагментное секвенирование по Сэнгеру</kwd><kwd>генетический полиморфизм</kwd></kwd-group><kwd-group xml:lang="en"><kwd>genovariants</kwd><kwd>SARS-CoV-2</kwd><kwd>Sanger fragment sequencing</kwd><kwd>genetic polymorphism</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторский коллектив выражает глубокую признательность сотрудникам ФБУЗ ЦГиЭ Роспотребнадзора в Саратовской, Самарской, Пензенской, Оренбургской, Ульяновской областях, в республиках Башкортостан, Татарстан и Удмуртия за отбор и доставку клинического материала на исследование.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Bhattacharyya Ch., Das Ch., Ghosh A., Singh A.K., Mukherjee S., Majumder P.P., Basu A., Biswas N.K. 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