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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">epidemiology</journal-id><journal-title-group><journal-title xml:lang="ru">Эпидемиология и Вакцинопрофилактика</journal-title><trans-title-group xml:lang="en"><trans-title>Epidemiology and Vaccinal Prevention</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-3046</issn><issn pub-type="epub">2619-0494</issn><publisher><publisher-name>«Numicom» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31631/2073-3046-2016-15-5-24-29</article-id><article-id custom-type="elpub" pub-id-type="custom">epidemiology-354</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>ЭПИДЕМИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EPIDEMIOLOGY</subject></subj-group></article-categories><title-group><article-title>Биологические свойства штамма Francisella tularensis 15 НИИЭГ со сниженной экспрессией гена sodB, кодирующего железозависимую супероксиддисмутазу</article-title><trans-title-group xml:lang="en"><trans-title>The Biological Properties of the Strain Francisella tularensis 15 NIIEG with Decreased Gene Expression sodB, Encoding Fe-Dependent Superoxide Dismutase</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сотникова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sotnikova</surname><given-names>M. A.</given-names></name></name-alternatives><email xlink:type="simple">marik_suharikelf@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кравченко</surname><given-names>Т. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Kravchenko</surname><given-names>T. B.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бахтеева</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bakhteeva</surname><given-names>I. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Миронова</surname><given-names>Р. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Mironova</surname><given-names>R. I.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Комбарова</surname><given-names>Т. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kombarova</surname><given-names>T. I.</given-names></name></name-alternatives><email xlink:type="simple">kombarova.tatyana@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мокриевич</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Mokrievich</surname><given-names>A. N.</given-names></name></name-alternatives><email xlink:type="simple">mokrievich@obolensk.org</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Павлов</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Pavlov</surname><given-names>V. M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФБУН «Государственный научный центр прикладной микробиологии и биотехнологии»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>State Research Scientific Center for Applied Microbiology and Biotechnology</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>20</day><month>10</month><year>2016</year></pub-date><volume>15</volume><issue>5</issue><fpage>24</fpage><lpage>29</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сотникова М.А., Кравченко Т.Б., Бахтеева И.В., Миронова Р.И., Комбарова Т.И., Мокриевич А.Н., Павлов В.М., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Сотникова М.А., Кравченко Т.Б., Бахтеева И.В., Миронова Р.И., Комбарова Т.И., Мокриевич А.Н., Павлов В.М.</copyright-holder><copyright-holder xml:lang="en">Sotnikova M.A., Kravchenko T.B., Bakhteeva I.V., Mironova R.I., Kombarova T.I., Mokrievich A.N., Pavlov V.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://www.epidemvac.ru/jour/article/view/354">https://www.epidemvac.ru/jour/article/view/354</self-uri><abstract><p>Ранее нами было показано, что замена в гене sodB штамма Francisella tularensis 15 НИИЭГ нуклеотидов в стартовом кодоне и кодоне, кодирующем лейцин, приводила к снижению количества фермента железозависимой супероксиддисмутазы (FeSOD) в делящихся бактериальных клетках и повышению чувствительности бактерий к окислительному стрессу. В данной работе на мышиной модели экспериментальной туляремии была оценена эффективность иммунного ответа, формируемого мутантным штаммом F. tularensis 15/sodBII, при заражении вирулентным штаммом F. tularensis Schu S4. Показано, что степень защиты, оцениваемая по обсемененности печени и селезенки инфицированных животных, была значительно более выражена у мышей, вакцинированных мутантным штаммом, в отличие от родительского, что позволяет рассматривать модифицированный штамм F. tularensis 15/sodBII в качестве перспективного кандидата для создания новой туляремийной вакцины.</p></abstract><trans-abstract xml:lang="en"><p>Relevance. Superoxide anion has bactericidal properties and is also an important inducer of proinflammatory cytokines in macrophages. We have created F. tularensis 15/sodBII strain with transiently decreased FeSOD synthesis level and more sensitive to oxidative stress. So we suggest that the modified vaccine strain have lower reactogenicity. Goal. Studying of effect of sodB gene expression modulation on biological properties of vaccine F. tularensis strain 15 NIIEG. Materials and methods. F. tularensis survival in macrophage-like cell line J774.1A and in spleen and liver of infected mice were analyzed through colony-forming unit enumeration. Strains reactogenicity was assessed by the dynamics of change in weight of infected mice. Efficacy of immune response generated by mutant strain of F. tularensis 15/sodBII was estimated with virulent F. tularensis strain Schu S4 infection in the BALB/c mice model. Results. Degree of protection was significantly more pronounced in the mice vaccinated with the strain F. tularensis with decreased sodB gene expression in comparison with parental F. tularensis strain NIIEG 15. Conclusions. The modified strain of F. tularensis 15/sodBII may be consider as a promising variant for development of a new tularemia vaccine with reduced reactogenicity.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>tularemia</kwd><kwd>vaccine strain Francisella tularensis 15 NIIEG</kwd><kwd>Fe-superoxide dismutase</kwd><kwd>protective immunity</kwd><kwd>туляремия</kwd><kwd>вакцинный штамм F. tularensis 15 НИИЭГ</kwd><kwd>Fe-супероксиддисмутаза</kwd><kwd>протективный иммунитет</kwd><kwd>tularemia</kwd><kwd>vaccine strain Francisella tularensis 15 NIIEG</kwd><kwd>Fe-superoxide dismutase</kwd><kwd>protective immunity</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">Олсуфьев Н.Г. Таксономия, микробиология и лабораторная диагностика возбудителя туляремии. Москва. Медицина. 1975</mixed-citation><mixed-citation xml:lang="en">Olsuf’ev N.G. 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