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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">medgen</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская генетика</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Genetics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7998</issn><publisher><publisher-name>Publishing House «Genius Media» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25557/2073-7998.2025.11.109-111</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-3318</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>КРАТКОЕ СООБЩЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BRIEF REPORT</subject></subj-group></article-categories><title-group><article-title>Изучение действия спермидина на генотоксичность диоксидина и перекиси водорода с помощью сенсорных штаммов Escherichia coli</article-title><trans-title-group xml:lang="en"><trans-title>Study of the effect of spermidine on the genotoxicity of dioxidine and hydrogen peroxide using sensory strains of Escherichia coli</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>Смирнова</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Smirnova</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119991, Москва, ул. Губкина, д.3</p></bio><bio xml:lang="en"><p>3, Gubkina st., Moscow, 119991</p></bio><email xlink:type="simple">s.v.smirnova.genet@gmail.com</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>Трофименцева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Trofimentseva</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119991, Москва, ул. Губкина, д.3</p></bio><bio xml:lang="en"><p>3, Gubkina st., Moscow, 119991</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абилев</surname><given-names>С. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Abilev</surname><given-names>S. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119991, Москва, ул. Губкина, д.3</p></bio><bio xml:lang="en"><p>3, Gubkina st., Moscow, 119991</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУН Институт общей генетики им. Н.И. Вавилова Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Vavilov Institute of General Genetics of Russian Academic Science</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>24</day><month>12</month><year>2025</year></pub-date><volume>24</volume><issue>11</issue><fpage>109</fpage><lpage>111</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Смирнова С.В., Трофименцева Е.В., Абилев С.К., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Смирнова С.В., Трофименцева Е.В., Абилев С.К.</copyright-holder><copyright-holder xml:lang="en">Smirnova S.V., Trofimentseva E.V., Abilev S.K.</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.medgen-journal.ru/jour/article/view/3318">https://www.medgen-journal.ru/jour/article/view/3318</self-uri><abstract><p>Изучали действие спермидина на ДНК-повреждающее воздействие диоксидина и перекиси водорода на клетках lux-биосенсоров E. coli MG1655 (pColD-lux) и (pKatG-lux), люминесцирующих в результате активации промоторов генов колицина colD и каталазы katG. Показано, что спермидин снижает генотоксическое действие, индуцированное исследуемыми лекарственными препаратами, на 40 и 23% в клетках E. coli, а также уменьшает количество разрывов в ДНК.</p></abstract><trans-abstract xml:lang="en"><p>The effect of spermidine on the DNA-damaging effect of dioxidine and hydrogen peroxide was studied on the cells of the lux-biosensors E. coli MG1655 (pColD-lux) and (pKatG-lux), luminescent as a result of activation of the promoters of the colicin colD and catalase katG genes. It was shown that spermidine reduces the genotoxic effect induced by the studied drugs by 40 and 23% in E. coli cells, and also reduces the number of DNA breaks.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>спермидин</kwd><kwd>генотоксичность</kwd><kwd>lux-биосенсор</kwd><kwd>Escherichia coli</kwd><kwd>разрывы ДНК</kwd></kwd-group><kwd-group xml:lang="en"><kwd>spermidine</kwd><kwd>genotoxicity</kwd><kwd>lux-biosensor</kwd><kwd>Escherichia coli</kwd><kwd>DNA breaks</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках Государственного задания 125091010190-9</funding-statement><funding-statement xml:lang="en">The work was carried out within the framework of the State assignment Р125091010190-9</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">Pillai S.P., Shankel D.M. 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