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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">13793</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">EFFECT OF STRAIN-PRODUCER AND CULTIVATION MEDIUM ON CROSS ANTIGENIC ACTIVITY OF S TREPTOCOCCUS PNEUMONIAE WATER SOLUBLE ANTIGENS</article-title><trans-title-group xml:lang="ru"><trans-title>ВЛИЯНИЕ ШТАММА-ПРОДУЦЕНТА И СРЕДЫ КУЛЬТИВИРОВАНИЯ НА ПЕРЕКРЕСТНУЮ АНТИГЕННУЮ АКТИВНОСТЬ ВОДОРАСТВОРИМЫХ АНТИГЕНОВ STREPTOCOCCUS PNEUMONIAE</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kurbatova</surname><given-names>E. A</given-names></name><name xml:lang="ru"><surname>Курбатова</surname><given-names>Е. А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vorobyev</surname><given-names>D. S</given-names></name><name xml:lang="ru"><surname>Воробьев</surname><given-names>Д. С</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Egorova</surname><given-names>N. B</given-names></name><name xml:lang="ru"><surname>Егорова</surname><given-names>Н. Б</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Elkina</surname><given-names>S. I</given-names></name><name xml:lang="ru"><surname>Елкина</surname><given-names>С. И</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kalina</surname><given-names>N. G</given-names></name><name xml:lang="ru"><surname>Калина</surname><given-names>Н. Г</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tokarskaya</surname><given-names>M. M</given-names></name><name xml:lang="ru"><surname>Токарская</surname><given-names>М. М</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Baturo</surname><given-names>A. P</given-names></name><name xml:lang="ru"><surname>Батуро</surname><given-names>А. П</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Romanenko</surname><given-names>E. E</given-names></name><name xml:lang="ru"><surname>Романенко</surname><given-names>Э. Е</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Markova</surname><given-names>M. E</given-names></name><name xml:lang="ru"><surname>Маркова</surname><given-names>М. Е</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Grischenko</surname><given-names>N. V</given-names></name><name xml:lang="ru"><surname>Грищенко</surname><given-names>Н. В</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ovechko</surname><given-names>N. N</given-names></name><name xml:lang="ru"><surname>Овечко</surname><given-names>Н. Н</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Volokh</surname><given-names>Yu. V</given-names></name><name xml:lang="ru"><surname>Волох</surname><given-names>Ю. В</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zlygostev</surname><given-names>S. A</given-names></name><name xml:lang="ru"><surname>Злыгостев</surname><given-names>С. А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mikhaylova</surname><given-names>N. A</given-names></name><name xml:lang="ru"><surname>Михайлова</surname><given-names>Н. А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Mechnikov Research Institute of Vaccines and Sera, Moscow, Russia</institution></aff><aff><institution xml:lang="ru">НИИ вакцин и сывороток им. И.И.Мечникова, Москва</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2013-02-15" publication-format="electronic"><day>15</day><month>02</month><year>2013</year></pub-date><volume>90</volume><issue>1</issue><issue-title xml:lang="en">NO1 (2013)</issue-title><issue-title xml:lang="ru">№1 (2013)</issue-title><fpage>26</fpage><lpage>33</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 ©; 2013, Kurbatova E.A., Vorobyev D.S., Egorova N.B., Elkina S.I., Kalina N.G., Tokarskaya M.M., Baturo A.P., Romanenko E.E., Markova M.E., Grischenko N.V., Ovechko N.N., Volokh Y.V., Zlygostev S.A., Mikhaylova N.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2013, Курбатова Е.А., Воробьев Д.С., Егорова Н.Б., Елкина С.И., Калина Н.Г., Токарская М.М., Батуро А.П., Романенко Э.Е., Маркова М.Е., Грищенко Н.В., Овечко Н.Н., Волох Ю.В., Злыгостев С.А., Михайлова Н.А.</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="en">Kurbatova E.A., Vorobyev D.S., Egorova N.B., Elkina S.I., Kalina N.G., Tokarskaya M.M., Baturo A.P., Romanenko E.E., Markova M.E., Grischenko N.V., Ovechko N.N., Volokh Y.V., Zlygostev S.A., Mikhaylova N.A.</copyright-holder><copyright-holder xml:lang="ru">Курбатова Е.А., Воробьев Д.С., Егорова Н.Б., Елкина С.И., Калина Н.Г., Токарская М.М., Батуро А.П., Романенко Э.Е., Маркова М.Е., Грищенко Н.В., Овечко Н.Н., Волох Ю.В., Злыгостев С.А., Михайлова Н.А.</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/13793">https://microbiol.crie.ru/jour/article/view/13793</self-uri><abstract xml:lang="en"><p>Aim. Production of water soluble protein-containing antigens from various strains of S. pneumoniae during cultivation in complete and semi-synthetic culture media as well as selection of strains with cross antigenic activity. Materials and methods. S. pneumoniae 3, 6А, 6В, 14, 10А, 18А, 19А, 19F, 23F serotype strains were cultivated in brain-heart broth and semi-synthetic medium with addition of aminopeptide for 24 hours at 37°C for the production of water soluble antigens. The antigens were obtained by a method of triple water extraction from acetone dried microbial cells. Chemical composition of preparations, electrophoresis mobility of protein-containing components of preparations and cross antigenic activity in gel immune diffusion reaction by using rabbit hyperimmune sera were studied. Results. In studies of 10 pneumococcus strains from various serotypes a method of microbial cell inactivation by acetone was selected that allows to produce preparations with high protein content (25.5 — 53.1%). Electrophoretic separation of the preparations revealed difference in the preparations obtained from various pneumococcus strains in the layout of major protein lines in the 8 — 95 kDa range. The most virulent and immunogenic S. pneumoniae strain that during cultivation in semi-synthetic medium was characterized by intraspecies cross antigenic activity and in gel immune diffusion reacted with all the studied sera against 3, 14, 18С, 23F serotype strains was selected. Conclusion. The study resulted in the selection of a technologically simple method of production of pneumococcus antigens with high protein content and showed that only 1 of the studied preparations produced from a virulent strain with poorly expressed S. pneumoniae capsule during cultivation in semi-synthetic medium has the highest cross antigenic activity.</p></abstract><trans-abstract xml:lang="ru"><p>Цель . Получение водорастворимых белоксодержащих антигенов из разных штаммов S.pneumoniae при культивировании на полноценной и полусинтетической питательных средах, а также выбор штаммов с перекрестной антигенной активностью. Материалы и методы . Для получения водорастворимых антигенов штаммы S.pneunoniae серотипов 3, 6А, 6В, 14, 10А, 18А, 19А, 19F, 23F культивировали на сердечно-мозговом бульоне и полусинтетической среде с добавлением аминопетида в течение 24 ч при 37°C. Антигены получали методом 3-кратной водной экстракции из высушенных ацетоном микробных клеток. Исследовали химический состав препаратов, электрофоретическую подвижность белоксодержащих компонентов препаратов и перекрестную антигенную активность в реакции иммунодиффузии в геле при использовании гипериммунных кроличьих сывороток. Результаты . При исследовании 10 штаммов пневмококка различных серотипов выбран метод инактивации микробных клеток ацетоном, позволяющий получить препараты с высоким содержанием белка (25,5—53,1)%. Электрофоретическое разделение препаратов выявило различия в препаратах, полученных из разных штаммов пневмококка, в расположении мажорных белковых полос в диапазоне от 8 до 95 кДа. Выбран наиболее вирулентый и иммуногенный штамм S.pneumoniae, который при культивировании на полусинтетической среде характеризовался внутривидовой перекрестной антигенной активностью и реагировал в реакции иммунодиффузии в геле со всеми исследованными сыворотками к штаммам серотипов 3, 14, 18С, 23F. Заключение . В результате исследования выбран технологически простой метод получения антигенов пневмококка с высоким содержанием белка и показано, что только один из исследованных препаратов, полученный из вирулентного штамма со слабо выраженной капсулой S.pneumoniae при культивировании на полусинтетической среде, обладает наибольшей перекрестной антигенной активностью.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Streptococcus pneumoniae</kwd><kwd>strain</kwd><kwd>cultivation medium</kwd><kwd>intra-species cross antigenic activity</kwd><kwd>protein-containing antigens</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>штамм</kwd><kwd>питательная среда</kwd><kwd>внутривидовая перекрестная антигенная активность</kwd><kwd>белоксодержащие антигены</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Ванеева Н.П., Воробьев Д.С., Грищенко Н.В. и др. Изучение перекрестной активности антигенных препаратов Streptococcus pneumoniae. 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