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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">antibiotics</journal-id><journal-title-group><journal-title xml:lang="ru">Антибиотики и Химиотерапия</journal-title><trans-title-group xml:lang="en"><trans-title>Antibiot Khimioter = Antibiotics and Chemotherapy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0235-2990</issn><publisher><publisher-name>ООО «Издательство ОКИ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37489/02352990-2025-70-7-8-4-9</article-id><article-id custom-type="edn" pub-id-type="custom">PVZQZO</article-id><article-id custom-type="elpub" pub-id-type="custom">antibiotics-1265</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>ЭКСПЕРИМЕНТАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Experimental Research</subject></subj-group></article-categories><title-group><article-title>Антимикробная активность штамма Aquipseudomonas alcaligenes</article-title><trans-title-group xml:lang="en"><trans-title>Antimicrobial Activity of Aquipseudomonas alcaligenes Strain</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7623-6146</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маланичева</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Malanicheva</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маланичева Ирина Алексеевна — старший научный сотрудник, сектор поиска природных соединений, преодолевающих устойчивость бактерий.</p><p>Москва</p></bio><bio xml:lang="en"><p>Irina A. Malanicheva — Senior Researcher worker, Sector for Searching for Natural Compounds that Overcome Bacterial Resistance.</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-1604-4352</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Храмцова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Khramtsova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Храмцова Екатерина Вадимовна — м. н. с., сектор поиска природных соединений, преодолевающих устойчивость бактерий.</p><p>Москва</p></bio><bio xml:lang="en"><p>Ekaterina V. Khramtsova — Junior Researcher, Sector for Searching for Natural Compounds that Overcome Bacterial Resistance.</p><p>Moscow</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>Макарова</surname><given-names>М. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Makarova</surname><given-names>M. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Макарова Марина Олеговна — м. н. с., лаборатория мутагенеза и селекции продуцентов биологически активных продуцентов.</p><p>Москва</p></bio><bio xml:lang="en"><p>Marina O. Makarova — Engineer, Laboratory of Mutagenesis and Selection of Biologically Active Substance Producers.</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3131-1031</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ефременкова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Efremenkova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ефременкова Ольга Владимировна — к. б. н., зав. сектором, сектор поиска природных соединений, преодолевающих устойчивость бактерий.</p><p>Москва</p></bio><bio xml:lang="en"><p>Olga V. Efremenkova — Ph. D. in Biology, Head of the Sector, Sector for Searching for Natural Compounds that Overcome Bacterial Resistance.</p><p>Moscow</p></bio><email xlink:type="simple">ovefr@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное научное учреждение «Научно-исследовательский институт по изысканию новых антибиотиков им. Г.Ф. Гаузе»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Gause Institute of New Antibiotics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>25</day><month>07</month><year>2025</year></pub-date><volume>70</volume><issue>7-8</issue><fpage>4</fpage><lpage>9</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Маланичева И.А., Храмцова Е.В., Макарова М.О., Ефременкова О.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Маланичева И.А., Храмцова Е.В., Макарова М.О., Ефременкова О.В.</copyright-holder><copyright-holder xml:lang="en">Malanicheva I.A., Khramtsova E.V., Makarova M.O., Efremenkova O.V.</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.antibiotics-chemotherapy.ru/jour/article/view/1265">https://www.antibiotics-chemotherapy.ru/jour/article/view/1265</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Поиск новых эффективных антибиотиков является одной из основных задач в области медицины, что обусловлено распространением антибиотикорезистентных патогенов, не поддающихся традиционной химиотерапии.</p></sec><sec><title>Цель</title><p>Цель. Изыскание микроорганизма — потенциального продуцента антибиотика, проявляющего антимикробную активность в отношении патогенных бактерий с множественной лекарственной устойчивостью.</p></sec><sec><title>Объект</title><p>Объект. Бактерия была выделена из пресноводного комнатного аквариума, идентифицирована как Aquipseudomonas alcaligenes, и депонированная в коллекцию НИИНА под номером INA 01568.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Для поверхностного культивирования A. alcaligenes, бактериальных и грибных штаммов использовали универсальную среду №2 Гаузе. Глубинное культивирование осуществляли в 18 питательных средах разного состава. Для определения антимикробной активности использовали метод диффузии в агар. В качестве тест-штаммов использовали 13 коллекционных тест-штаммов бактерий и грибов. Видовую идентификацию проводили по морфологическим признакам и по гену 16S рРНК.</p></sec><sec><title>Результаты</title><p>Результаты. Штамм A. alcaligenes INA 01568 при культивировании в погружённых условиях на 2 средах из 18 проявил антимикробную активность в отношении 6 тест-штаммов, включая бактерии из группы ESKAPE, а именно MRSA, Pseudomonas aeruginosa, а также ванкомицинорезистентный штамм Leuconostoc mesenteroides, активность к которым описана впервые. Активности в отношении грибов не обнаружено.</p></sec><sec><title>Заключение</title><p>Заключение. Штамм A. alcaligenes INA 01568 перспективен для химического исследования.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. The search for new effective antibiotics is one of the main tasks in the field of medicine, which is due to the spread of antibiotic-resistant pathogens that are not amenable to traditional chemotherapy.</p><p>The aim of the study was the search for a microorganism that could potentially produce an antibiotic exhibiting antimicrobial activity against pathogenic bacteria with multiple drug resistance.</p><p>The object of the study was a bacterium isolated from a freshwater indoor aquarium, identified as Aquipseudomonas alcaligenes and deposited in the collection of NIINA under the number INA 01568.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. For the surface cultivation of A. alcaligenes, bacterial and fungal strains, universal medium No. 2 Gause was used. Submerged cultivation was carried out in 18 nutrient media of different compositions. An agar diffusion method was used to determine the antimicrobial activity. Thirteen collection test strains of bacteria and fungi were used as test strains. Species identification was carried out by morphological features and the 16S rRNA gene.</p></sec><sec><title>Results</title><p>Results. When cultured under submerged conditions on 2 media out of 18, the A. alcaligenes INA 01568 strain demonstrated antimicrobial activity against 6 test strains, including bacteria from the ESKAPE group, namely MRSA, Pseudomonas aeruginosa, as well as the vancomycin-resistant strain Leuconostoc mesenteroides; activity against these strains has been described for the first time. Activity against fungi was not detected.</p></sec><sec><title>Conclusion</title><p>Conclusion. The A. alcaligenes strain INA 01568 is promising for chemical research.</p></sec></trans-abstract><kwd-group xml:lang="en"><kwd>Aquipseudomonas alcaligenes</kwd><kwd>antimicrobial activity</kwd><kwd>ESKAPE</kwd><kwd>MRSA</kwd><kwd>Leuconostoc mesenteroides</kwd><kwd>Pseudomonas aeruginosa</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания Министерства науки и высшего образования Российской Федерации (тема № АААА-А18-118011650006-5)</funding-statement><funding-statement xml:lang="en">The research was carried out within the state assignment of Ministry of Science and Higher Education of the Russian Federation (theme No. АААА-А18-118011650006-5)</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">WHO. Global antimicrobial resistance surveillance system (GLASS) report: early implementation 2020. 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