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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">vestib</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной  академии наук Беларуси. Серия биологических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Biological Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1029-8940</issn><issn pub-type="epub">2524-230X</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1029-8940-2023-68-1-38-46</article-id><article-id custom-type="elpub" pub-id-type="custom">vestib-848</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Оценка генетической стабильности рекомбинантных векторов гриппа, кодирующих белки Mycobacterium bovis, с помощью ОТ-ПЦР и оптимизация условий их культивирования</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of the genetic stability of recombinant flu vectors encoding Mycobacterium bovis proteins using RT-PCR and optimization of their cultivation conditions</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>Абай</surname><given-names>Ж. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Abay</surname><given-names>Zh. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Абай Жандос Сайлаубекулы – магистр естеств. наук, мл. науч. сотрудник</p><p>ул. Б. Момышулы, 15, 080409, пгт. Гвардейский</p></bio><bio xml:lang="en"><p>Zhandos S. Abay – Master of Natural Sciences, Junior Researcher</p><p>15, Momyshuly Str., 080409, Guardeyskii</p></bio><email xlink:type="simple">abaizh097@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>Садикалиева</surname><given-names>С. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Sadikalieva</surname><given-names>S. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Садикалиева Сандугаш Оразбековна – магистр естеств. наук, ст. науч. сотрудник</p><p>ул. Б. Момышулы, 15, 080409, пгт. Гвардейский</p></bio><bio xml:lang="en"><p>Sandugash О. Sadikalieva – Master of Natural Sciences, Senior Researcher</p><p>15, Momyshuly Str., 080409, Guardeyskii</p></bio><email xlink:type="simple">sadikalieva86@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>Шораева</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shorayeva</surname><given-names>K. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шораева Камшат Абитхановна – канд. хим. наук, заведующий лабораторией</p><p>ул. Б. Момышулы, 15, 080409, пгт. Гвардейский</p></bio><bio xml:lang="en"><p>Kamshat A. Shorayeva – Ph. D. (Chem.), Head of the Laboratory</p><p>15, Momyshuly Str., 080409, Guardeyskii</p></bio><email xlink:type="simple">k.a.shorayeva@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>Еспембетов</surname><given-names>Б. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Espembetov</surname><given-names>B. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Еспембетов Болат Аманбаевич – канд. ветеринар. наук, профессор, заведующий лабораторией</p><p>ул. Б. Момышулы, 15, 080409, пгт. Гвардейский</p></bio><bio xml:lang="en"><p>Bolat A. Espembetov – Ph. D. (Veterinary), Professor, Head of the Laboratory</p><p>15, Momyshuly Str., 080409, Guardeyskii</p></bio><email xlink:type="simple">espembetov@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>Нурпейсова</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Nurpeisova</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нурпейсова Айнур Султановна – канд. ветеринар. наук, вед. науч. сотрудник</p><p>ул. Б. Момышулы, 15, 080409, пгт. Гвардейский</p></bio><bio xml:lang="en"><p>Ainur S. Nurpeisova – Ph. D. (Veterinary), Leading Researcher</p><p>15, Momyshuly Str., 080409, Guardeyskii</p></bio><email xlink:type="simple">ainurnurpeisova@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт проблем биологической безопасности</institution></aff><aff xml:lang="en"><institution>Research Institute of Biological Safety Problems</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>10</day><month>02</month><year>2023</year></pub-date><volume>68</volume><issue>1</issue><fpage>38</fpage><lpage>46</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Абай Ж.С., Садикалиева С.О., Шораева К.А., Еспембетов Б.А., Нурпейсова А.С., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Абай Ж.С., Садикалиева С.О., Шораева К.А., Еспембетов Б.А., Нурпейсова А.С.</copyright-holder><copyright-holder xml:lang="en">Abay Z.S., Sadikalieva S.O., Shorayeva K.A., Espembetov B.A., Nurpeisova A.S.</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://vestibio.belnauka.by/jour/article/view/848">https://vestibio.belnauka.by/jour/article/view/848</self-uri><abstract><p>Профилактика туберкулеза крупного рогатого скота путем иммунизации традиционными вакцинами и регулярное диагностирование долгое время были основными методами борьбы против данной инфекции. Однако степень защиты от туберкулеза, обеспечиваемая традиционной вакциной БЦЖ, варьируется, и на сегодняшний день причины успешного или неудачного ее применения не ясны. Следовательно, разработка альтернативных безопасных вакцин с более высокой и устойчивой защитой, чем у вакцины БЦЖ, является актуальной. В то же время в основе любой новой вакцины или стратегии вакцинации лежит, как правило, технология изготовления и применения вакцины БЦЖ. Разработанные на основе гриппозных векторов рекомбинантные векторные вакцины показывают большой потенциал и преимущества в обеспечении специфического иммунного ответа.Цель исследования – оценка ростовых свойств сконструированных рекомбинантных штаммов вируса гриппа, экспрессирующих протективные белки микобактерии, для дальнейшего их использования при создании векторной вакцины против туберкулеза крупного рогатого скота.В статье представлены результаты работы по культивированию и репродукции рекомбинантных штаммов вируса гриппа. Методами обратной генетики были сконструированы рекомбинантные штаммы вируса гриппа, несущие микобактериальные белки Mycobacterium bovis ESAT-6 и ТB10.4, в последовательности гена NS. По результатам проведенных работ определены оптимальные условия культивирования рекомбинантных штаммов вируса гриппа. Оба варианта рекомбинантного штамма показали репродуктивную активность в системе развивающихся куриных эмбрионов при оптимальных условиях культивирования.Оценка с помощью метода ОТ-ПЦР генетической стабильности вставки микобактериальных белков в NS ген вируса гриппа показала, что сегмент гена NS содержит вставку микобактериальных белков TB10.4 и ESAT-6, которая сохраняется на протяжении исследованных пяти пассажей.</p></abstract><trans-abstract xml:lang="en"><p>Prevention by immunizing cattle against tuberculosis with traditional vaccines and regular testing has long been the main method of controlling this infection. However, the non-specificity of the traditional method shows the need for alternative approaches in the creation of anti-infective vaccines. The development of recombinant vector vaccines based on influenza vectors shows great potential and advantages in providing a specific immune response.The purpose of the study is to evaluate the growth properties of the recombinant influenza virus strains expressing protective proteins of mycobacteria for further use in creating a vector vaccine against bovine tuberculosis.This article presents the results of work on the cultivation and reproduction of recombinant influenza virus strains. Using reverse genetics methods, recombinant strains of the influenza virus carrying the mycobacterial Mycobacterium bovis ESAT-6 and TB10.4 proteins in the NS gene sequence were constructed. Based on the results of the work carried out, the optimal conditions for cultivating recombinant influenza virus strains were determined. Both variants of the recombinant strain showed reproductive activity in the developing chick embryo system, under optimal cultivation conditions.The evaluation of the genetic stability of the insertion of mycobacterial proteins into the NS gene of the influenza virus was confirmed using the RT-PCR method. As a result, it was found that the NS gene segment contains an insertion of mycobacterial proteins TB10.4 and ESAT-6, which is retained throughout the studied 5 passages.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рекомбинантный вирус гриппа</kwd><kwd>экспрессия</kwd><kwd>Mycobacterium bovis</kwd><kwd>культивирование</kwd><kwd>векторы</kwd><kwd>генетическая стабильность</kwd><kwd>ОТ-ПЦР</kwd></kwd-group><kwd-group xml:lang="en"><kwd>recombinant influenza virus</kwd><kwd>expression</kwd><kwd>Mycobacterium bovis</kwd><kwd>cultivation</kwd><kwd>vectors</kwd><kwd>genetic stability</kwd><kwd>RT-PCR</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке Министерства образования и науки Республики Казахстан в рамках грантового проекта № AP09259683 «Разработка технологии изготовления векторной вакцины для профилактики туберкулеза крупного рогатого скота» Министерства образования и науки Республики Казахстан.</funding-statement><funding-statement xml:lang="en">The work was supported by the Ministry of Education and Science of the Republic of Kazakhstan within the framework of grant project No. AP09259683 “Development of technology for the manufacture of a vector vaccine for the prevention of tuberculosis in cattle” of the Ministry of Education and Science of the Republic of Kazakhstan.</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">A review on bovine tuberculosis in India / A. 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