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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">sibmed</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский научный медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Сибирский научный медицинский журнал</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-2512</issn><issn pub-type="epub">2410-2520</issn><publisher><publisher-name>ИЦиГ СО РАН</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15372/SSMJ20190204</article-id><article-id custom-type="elpub" pub-id-type="custom">sibmed-130</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>МЕДИКО-БИОЛОГИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOMEDICINE</subject></subj-group></article-categories><title-group><article-title>ГЕТЕРОГЕННОСТЬ ПЛАЗМИД МОЛЕКУЛЯРНОЙ МАССОЙ 2,3 МДа В ШТАММАХ Salmonella enteritidis</article-title><trans-title-group xml:lang="en"><trans-title>HETEROGENEITY OF 2.3 MDa PLASMIDS IN Salmonella ENTERITIDIS STRAINS</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>Раков</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Rakov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., старший научный сотрудник</p><p> </p></bio><bio xml:lang="en"><p>candidate of medical sciences, senior researcher</p><p>690087, Vladivostok, Sel’skaya str., 1</p></bio><email xlink:type="simple">alexeyrakov@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>Шубин</surname><given-names>Ф. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Shubin</surname><given-names>F. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., проф., главный научный сотрудник</p><p> </p></bio><bio xml:lang="en"><p>doctor of medical sciences, professor, chief researcher</p><p>690087, Vladivostok, Sel’skaya str., 1</p></bio><email xlink:type="simple">shubin@inbox.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>Кузнецова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., старший научный сотрудник</p><p> </p></bio><bio xml:lang="en"><p>candidate of medical sciences, senior researcher</p><p>690087, Vladivostok, Sel’skaya str., 1</p></bio><email xlink:type="simple">kuznetsovanata@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>Соловьева</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Solovyeva</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник</p><p> </p></bio><bio xml:lang="en"><p>junior researcher</p><p>690087, Vladivostok, Sel’skaya str., 1</p></bio><email xlink:type="simple">dj_svet8525@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="en" id="aff-1"><institution>Somov Institute of Epidemiology and Microbiology</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>29</day><month>04</month><year>2019</year></pub-date><volume>39</volume><issue>2</issue><fpage>40</fpage><lpage>45</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Раков А.В., Шубин Ф.Н., Кузнецова Н.А., Соловьева А.С., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Раков А.В., Шубин Ф.Н., Кузнецова Н.А., Соловьева А.С.</copyright-holder><copyright-holder xml:lang="en">Rakov A.V., Shubin F.N., Kuznetsova N.A., Solovyeva 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://sibmed.elpub.ru/jour/article/view/130">https://sibmed.elpub.ru/jour/article/view/130</self-uri><abstract><p>Цель исследования – изучить плазмиды с молекулярной массой 2,3 МДа (3609 пар оснований), а также их распространение в штаммах Salmonella enteritidis, изолированных из различных экологических источников в разное время на территории Российской Федерации. Материал и методы. Выполнено ПЦР-типирование 33 штаммов S. enteritidis, выделенных за период с 1995 по 2017 г., содержащих описанную нами ранее в штаммах микроба плазмиду молекулярной массой 2,3 МДа. Результаты и их обсуждение. Данная плазмида была впервые секвенирована нами. Показано ее родство представленной в GenBank плазмиде из штамма S. typhimurium CFSAN001921, описанной в США. Установлено, что плазмида p2.3 в течение 23 лет присутствует в штаммах S. enteritidis, изолированных от больных и пищевых продуктов на административных территориях большинства субъектов РФ. Кроме того, показано, что плазмида p2.3 может быть гетерогенной по нуклеотидному составу. Заключение. Учитывая, что плазмида p2.3 выделена от больных в США, а исследованные нами штаммы – от больных и из продуктов животного происхождения в России, можно полагать, что ареал распространения данной плазмиды носит трансконтинентальный характер.</p></abstract><trans-abstract xml:lang="en"><p>The aim of the research was to study plasmids 2.3 MDa (3609 bp) and their distribution in Salmonella Enteritidis strains isolated from various environmental sources at different times on the territory of the Russian Federation. Material and methods. A PCR typing of 33 S. Enteritidis strains, isolated for the period from 1995 to 2017, containing plasmid 2.3 MDa described earlier in microbe strains has been carried out. Results and discussion. The plasmid was firstly sequenced by us. Its relatedness to plasmid in GenBank from the strain of S. Typhimurium CFSAN001921 described in the United States has been revealed. It has been established that plasmid p2.3 presents within 23 years in S. Enteritidis strains isolated from patients and food at administrative territories of majority of the Russian Federation subjects. In addition, it has been shown that plasmid p2.3 can be heterogeneous in nucleotide composition. Conclusion. Considering the fact that plasmid p2.3 was isolated from patients in the USA, and strains we investigated were from patients and food in Russia, it can be assumed that the distribution area of the plasmid has a transcontinental nature.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Salmonella enteritidis</kwd><kwd>плазмида p2.3</kwd><kwd>плазмидный анализ</kwd><kwd>полимеразная цепная реакция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Salmonella Enteritidis</kwd><kwd>plasmid p2.3</kwd><kwd>plasmid analysis</kwd><kwd>polymerase chain reaction</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">Голубева И.В., Килессо В.А., Киселева Б.С., Прямухина Н.С., Татаринова С.Д., Хоменко Н.А., Ющенко Г.В. Энтеробактерии. Руководство для врачей. 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