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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Journal of microbiology, epidemiology and immunobiology</journal-id><journal-title-group><journal-title xml:lang="en">Journal of microbiology, epidemiology and immunobiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Журнал микробиологии, эпидемиологии и иммунобиологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0372-9311</issn><issn publication-format="electronic">2686-7613</issn><publisher><publisher-name xml:lang="en">Central Research Institute for Epidemiology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">13370</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">ENGINEERING OF ATTENUATED BORDETELLA PERTUSSIS BACTERIA PRODUCING IMMUNOGENIC NON-TOXIC FORM OF PERTUSSIS TOXIN</article-title><trans-title-group xml:lang="ru"><trans-title>КОНСТРУИРОВАНИЕ АТТЕНУИРОВАННЫХ БАКТЕРИЙ ВORDETELLA PERTUSSIS, ПРОДУЦИРУЮЩИХ ИММУНОГЕННУЮ НЕТОКСИЧНУЮ ФОРМУ КОКЛЮШНОГО ТОКСИНА</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sinyashina</surname><given-names>L. N</given-names></name><name xml:lang="ru"><surname>Синяшина</surname><given-names>Л. Н</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nechaeva</surname><given-names>E. V</given-names></name><name xml:lang="ru"><surname>Нечаева</surname><given-names>Е. В</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Amelina</surname><given-names>I. P</given-names></name><name xml:lang="ru"><surname>Амелина</surname><given-names>И. П</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Karataev</surname><given-names>G. I</given-names></name><name xml:lang="ru"><surname>Каратаев</surname><given-names>Г. И</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Gamaleya Research Institute of Epidemiology and Microbiology, Moscow, Russia</institution></aff><aff><institution xml:lang="ru">НИИ эпидемиологии и микробиологии им. Н.Ф.Гамалеи, Москва</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2009-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2009</year></pub-date><volume>86</volume><issue>6</issue><issue-title xml:lang="en">NO6 (2009)</issue-title><issue-title xml:lang="ru">№6 (2009)</issue-title><fpage>89</fpage><lpage>94</lpage><history><date date-type="received" iso-8601-date="2023-06-09"><day>09</day><month>06</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2009, Sinyashina L.N., Nechaeva E.V., Amelina I.P., Karataev G.I.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2009, Синяшина Л.Н., Нечаева Е.В., Амелина И.П., Каратаев Г.И.</copyright-statement><copyright-year>2009</copyright-year><copyright-holder xml:lang="en">Sinyashina L.N., Nechaeva E.V., Amelina I.P., Karataev G.I.</copyright-holder><copyright-holder xml:lang="ru">Синяшина Л.Н., Нечаева Е.В., Амелина И.П., Каратаев Г.И.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://microbiol.crie.ru/jour/article/view/13370">https://microbiol.crie.ru/jour/article/view/13370</self-uri><abstract xml:lang="en"><p>Aim. To engineer attenuated Bordetella pertussis strain producing non-toxic immunogenic derivative of pertussis toxin (toxoid KT). Materials and methods. Cloning, site-directed mutagenesis, allelic exchange as well as methods for determination of immunobiological characteristics of toxoid KT were used. Results. Attenuated B.pertussis strains 5 and 35 containing mutant operon ptx and gene of resistance to canamycin were engineered. Recombinant bacteria retained marker of resistance to canamycin as well as structure of mutant operon during cultivation on growth media and long-term survival in lung of laboratory mice. Immunobiologic characteristics of attenuated B.pertussis were studied. Conclusion. Intranasal immunization of laboratory animals with live attenuated B.pertussis 5 and 35 provides protection from infection with virulent B.pertussis strain, which is comparable with efficacy of standard whole-cell vaccine.</p></abstract><trans-abstract xml:lang="ru"><p>Цель . Конструирование аттенуированных бактерии Bordetella pertussis, продуцирующих нетоксическую иммуногенную производную коклюшного токсина (токсоид КТ). Материалы и методы . Использованы методы клонирования, сайтнаправленного мутагенеза, аллельного обмена и определения иммунобиологических свойств токсоида КТ. Результаты . Сконструированы аттенуированные бактерии B.pertussis 5 и 35, содержащие мутантный оперон ptx и ген устойчивости к канамицину. Рекомбинантные бактерии сохраняют маркер устойчивости к канамицину и структуру мутантного оперона в процессе культивирования на питательных средах и длительного переживания в легких лабораторных мышей. Изучены иммунобиологические свойства аттенуированных бактерий B.pertussis. Заключение . Интраназальная иммунизация лабораторных животных живыми аттенуированными бактериями B.pertussis 5 и 35 обеспечивает защиту от заражения вирулентным штаммом возбудителя коклюша, близкую по эффективности с защитой после иммунизации отраслевым стандартным образцом корпускулярной коклюшной вакцины.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Bordetella pertussis</kwd><kwd>engineering</kwd><kwd>attenuated bacteria</kwd><kwd>Bordetella pertussis</kwd><kwd>pertussis toxin</kwd><kwd>toxoid</kwd><kwd>intranasal vaccination</kwd><kwd>whole-cell pertussis vaccine</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>конструирование</kwd><kwd>аттенуированные бактерии</kwd><kwd>коклюшный токсин</kwd><kwd>токсоид</kwd><kwd>интраназальная вакцинация</kwd><kwd>корпускулярная коклюшная вакцина</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Говорун В.М., Иванова В.Ф., Кириллов М.Ю. и др. 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