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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">10.21055/0370-1069-2022-3-137-144</article-id><article-id custom-type="elpub" pub-id-type="custom">microbe-1735</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>Совершенствование подходов по верификации вакцинного штамма Francisella tularensis 15 НИИЭГ в процессе длительного хранения</article-title><trans-title-group xml:lang="en"><trans-title>Improvement of Approaches to the Verification of the Vaccine Strain Francisella tularensis 15 NIIEG during Long-Term Storage</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2272-2621</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Саяпина</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sayapina</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Саяпина Лидия Васильевна</p><p>127051, Москва, Петровский б-р, 8, стр. 2</p></bio><bio xml:lang="en"><p>Lidiya V. Sayapina</p><p>Building 2, 8, Petrovsky Boulevard, Moscow, 127051</p></bio><email xlink:type="simple">Sayapina@expmed.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/0000-0003-0954-5683</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-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9190-099X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нарышкина</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Naryshkina</surname><given-names>E. 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-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7190-4427</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федоров</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorov</surname><given-names>A. 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><email xlink:type="simple">rusrapi@microbe.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4909-2394</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><email xlink:type="simple">rusrapi@microbe.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1768-1362</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Давыдов</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Davydov</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>127051, Москва, Петровский б-р, 8, стр. 2</p></bio><bio xml:lang="en"><p>Building 2, 8, Petrovsky Boulevard, Moscow, 127051</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/0000-0001-6472-6386</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бондарев</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Bondarev</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>127051, Москва, Петровский б-р, 8, стр. 2</p></bio><bio xml:lang="en"><p>Building 2, 8, Petrovsky Boulevard, Moscow, 127051</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФБГУ «Научный центр экспертизы средств медицинского применения»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Scientific Center on Expertise of Medical Application Products</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФКУН «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>2022</year></pub-date><pub-date pub-type="epub"><day>30</day><month>10</month><year>2022</year></pub-date><volume>0</volume><issue>3</issue><fpage>137</fpage><lpage>144</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Саяпина Л.В., Осина Н.А., Нарышкина Е.А., Федоров А.В., Краснов Я.М., Давыдов Д.С., Бондарев В.П., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Саяпина Л.В., Осина Н.А., Нарышкина Е.А., Федоров А.В., Краснов Я.М., Давыдов Д.С., Бондарев В.П.</copyright-holder><copyright-holder xml:lang="en">Sayapina L.V., Osina N.A., Naryshkina E.A., Fedorov A.V., Krasnov Y.M., Davydov D.S., Bondarev V.P.</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/1735">https://journal.microbe.ru/jour/article/view/1735</self-uri><abstract><p>Цель исследования – совершенствование способов верификации вакцинного штамма Francisella tularensis 15 НИИЭГ в процессе длительного хранения в современных условиях.</p><sec><title>Материалы и методы</title><p>Материалы и методы. В работе обобщены результаты изучения фенотипических и генетических свойств лиофилизированных культур вакцинного штамма F. tularensis 15 НИИЭГ (1953, 1966, 1969, 1987, 1990, 2003, 2012 и 2013 гг.), хранившихся в ГКПМ ФГБУ «НЦЭСМП» Минздрава России в течение от одного года до 60 лет.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Проведенные ранее исследования выявили, что лиофилизированные культуры F. tularensis 15 НИИЭГ в основном обладали показателями, характерными для вакцинного штамма, за исключением отклонений от нормативных требований по остаточной вирулентности и специфической безопасности. Подтверждена стабильность сохранения у вакцинного штамма, хранившегося различное время в лифилизированном состоянии, делеций в генах pilA и pilE (область дифференциации RD19) и генах, кодирующих липопротеин lpp (RD18). Определена специфичная для вакцинного штамма мутация C178404T (по геному штамма F. tularensis LVS, GenBank NCBI № CP009694) и разработан подход по ее определению. Полученные данные указывают на перспективность использования описанных выше делеций в регионах RD18/RD19 в совокупности с мутацией C178404T для оценки аутентичности вакцинного штамма с помощью молекулярно-генетических методов. Таким образом, проведенный ретроспективный анализ материалов о культурах вакцинного штамма туляремийного микроба с 1940-х по 2013 год и полученные экспериментальные данные позволили дополнить новыми сведениями единые требования изготовления, изучения, поддержания, хранения и движения вакцинного штамма F. tularensis 15 НИИЭГ. На основании полученных результатов коллективом авторов разработан проект методических рекомендаций федерального уровня «Вакцинный штамм Francisella tularensis 15 НИИЭГ: порядок обращения».</p></sec></abstract><trans-abstract xml:lang="en"><p>The aim of the study was to improve the methods for verifying the vaccine strain Francisella tularensis 15 NIIEG during long-term storage under current conditions.</p><sec><title>Materials and methods</title><p>Materials and methods. The paper summarizes the results of studying the phenotypic and genetic properties of lyophilized cultures of the vaccine strain F. tularensis 15 NIIEG (1953, 1966, 1969, 1987, 1990, 2003, 2012 and 2013) stored at SCEMAP for a period of one to 60 years.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. Previous studies have revealed that freeze-dried cultures of F. tularensis 15 NIIEG generally had the characteristics of the vaccine strain, with the exception of deviations from the regulatory requirements for residual virulence and specific safety. The stability of preservation of deletions in the pilA and pilE genes (the region of differentiation RD19) and the genes encoding lpp lipoprotein (RD18) in the vaccine strain, which was stored for various periods of time in a lyophilized state, has been confirmed. The vaccine-strain-specific mutation C178404T (by the genome of F. tularensis LVS strain, GenBank NCBI no. CP009694) has been identified, and an approach to determine it has been developed. The data obtained are promising as regards using the above deletions in the RD18/RD19 regions in combination with the C178404T mutation to assess the authenticity of the vaccine strain using molecular genetic methods. Thus, the conducted retrospective analysis of the data on the cultures of tularemia microbe vaccine strain from the 1940s to 2013 and the gathered experimental data, made it possible to supplement the uniform requirements for the manufacture, study, maintenance, storage and movement of F. tularensis 15 NIIEG vaccine strain with new evidence. Based on the results obtained, the authors have drawn a draft methodological recommendations of the federal level “Vaccinal strain Francisella tularensis 15 NIIEG: order of handling”.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>вакцинный штамм Francisella tularensis 15 НИИЭГ</kwd><kwd>фенотипические и генетические свойства</kwd><kwd>молекулярно-генетические методы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Francisella tularensis 15 NIIEG vaccine strain</kwd><kwd>phenotypic and genetic properties</kwd><kwd>molecular-genetic methods</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания ФГБУ НЦЭСМП Минздрава России № 056-00001-22-00 на проведение прикладных исследований (номер государственного учета НИР 121022000147-4)</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">Гайский Н.А., Эльберт Б.Я. 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