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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">pharmjournal</journal-id><journal-title-group><journal-title xml:lang="ru">Разработка и регистрация лекарственных средств</journal-title><trans-title-group xml:lang="en"><trans-title>Drug development &amp; registration</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2305-2066</issn><issn pub-type="epub">2658-5049</issn><publisher><publisher-name>LLC «CPHA»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33380/2305-2066-2023-12-4-1592</article-id><article-id custom-type="elpub" pub-id-type="custom">pharmjournal-1651</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>ПОИСК И РАЗРАБОТКА НОВЫХ ЛЕКАРСТВЕННЫХ СРЕДСТВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RESEARCH AND DEVELOPMENT OF NEW DRUG PRODUCTS</subject></subj-group></article-categories><title-group><article-title>Могут ли биолюминесцентные бактерии быть использованы для поиска новых антибактериальных веществ растительного происхождения?</article-title><trans-title-group xml:lang="en"><trans-title>Could Bioluminescent Bacteria be Used in the Search for New Plant-derived Antibacterial Substances?</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7762-3818</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кацев</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Katsev</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>295007, Республика Крым, г. Симферополь, просп. Академика Вернадского, д. 4</p></bio><bio xml:lang="en"><p>4, Akademika Vernadskogo ave., Republic of Crimea, Simferopol, 295007</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/0000-0002-6276-7755</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сафронюк</surname><given-names>С. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Safronyuk</surname><given-names>S. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>295007, Республика Крым, г. Симферополь, просп. Академика Вернадского, д. 4</p></bio><bio xml:lang="en"><p>4, Akademika Vernadskogo ave., Republic of Crimea, Simferopol, 295007</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/0000-0002-5418-7849</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бурцева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Burtseva</surname><given-names>Y. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>295007, Республика Крым, г. Симферополь, просп. Академика Вернадского, д. 4</p></bio><bio xml:lang="en"><p>4, Akademika Vernadskogo ave., Republic of Crimea, Simferopol, 295007</p></bio><email xlink:type="simple">burtsevaev2009@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-7494-1609</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Османова</surname><given-names>С. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Osmanova</surname><given-names>S. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>295007, Республика Крым, г. Симферополь, просп. Академика Вернадского, д. 4</p></bio><bio xml:lang="en"><p>4, Akademika Vernadskogo ave., Republic of Crimea, Simferopol, 295007</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное автономное образовательное учреждение высшего образования «Крымский федеральный университет имени В. И. Вернадского» (КФУ имени В. И. Вернадского)</institution></aff><aff xml:lang="en"><institution>V. I. Vernadsky Crimean Federal University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>10</day><month>11</month><year>2023</year></pub-date><volume>12</volume><issue>4</issue><fpage>63</fpage><lpage>70</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кацев А.М., Сафронюк С.Л., Бурцева Е.В., Османова С.Я., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Кацев А.М., Сафронюк С.Л., Бурцева Е.В., Османова С.Я.</copyright-holder><copyright-holder xml:lang="en">Katsev A.M., Safronyuk S.L., Burtseva Y.V., Osmanova S.Y.</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.pharmjournal.ru/jour/article/view/1651">https://www.pharmjournal.ru/jour/article/view/1651</self-uri><abstract><sec><title>Введение</title><p>Введение. В настоящее время поиск новых антибактериальных веществ является актуальной задачей из-за растущей устойчивости патогенов к существующим антибиотикам. Одним из ключевых направлений в этой области является расширение научных исследований лекарственного сырья растительного происхождения в качестве новых источников терапевтических средств. В данной работе изучается возможность применения для этих целей высокочувствительных бактериальных тест-обьектов, обладающих биолюминесценцией, которые позволяют быстро выявить неспецифическую антимикробную активность и могут быть адаптированы к технологиям высокопроизводительного фармацевтического скрининга.</p></sec><sec><title>Цель</title><p>Цель. Изучение применимости биолюминесцентных бактерий для анализа антибактериальной активности биологически активных веществ (БАВ) растительного происхождения.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В работе использовали биологически активные вещества кверцетин, 8-гидроксихинолин, галловую кислоту и тимохинон, которые часто встречаются в лекарственном растительном сырье и с которыми связывают его антибактериальные свойства. В качестве тест-обьектов использовали бактерии с конститутивной биолюминесценцией Aliivibrio fischeri F1 и Escherichia coli (pXen7), а также рекомбинантные биорепортерные штаммы с индуцибельным свечением: E. coli (pRecA-lux), E. coli (pColD-lux), реагирующие на повреждение нуклеиновых кислот; E. coli (pKatG-lux), E. coli (pSoxS-lux), чувствительные к окислительному стрессу.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Установлено, что неспецифическая антимикробная активность исследуемых БАВ проявляется в ингибировании бактериальной биолюминесценции тест-штаммов с конститутивным свечением. Отмечено, что морские тест-бактерии A. fischeri F1 обладают значительно большей чувствительностью к действию БАВ растительного происхождения по сравнению с рекомбинантным штаммом E. coli (pXen7). Показано, что их ингибирующее действие начинается при концентрациях 2 мкг/мл, а бактерицидность наступает при концентрациях от 20 мкг/мл. Приводится сравнение полученных результатов с данными по МИК и МБК грамположительных и грамотрицательных патогенов. Изучение индукции биолюминесценции рекомбинантных биорепортерных штаммов показало, что антибактериальное действие исследуемых БАВ сопровождается окислительным стрессом. Также кверцетин вызывал активацию свечения E. coli (pRecA-lux) и E. coli (pColD-lux), что может свидетельствовать о его участии в повреждении нуклеиновых кислот. Анализ факторов индукции биорепортерных штаммов указывает на то, что выявленные механизмы антибактериальной активности не являются основными, а могут иметь второстепенный характер.</p></sec><sec><title>Заключение</title><p>Заключение. Показано, что интенсивность свечения природных и рекомбинантных биолюминесцентных бактерий может быть показателем антибактериальной активности БАВ природного происхождения. Установлена высокая чувствительность бактерий A. fischeri F1 к действию таких веществ, как кверцетин, 8-гидроксихинолин, галловая кислота и тимохинон. Учитывая, что биолюминесцентный анализ является количественным инструментальным методом, он может быть легко адаптирован для проведения высокопроизводительного фармацевтического скрининга.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Currently, the search for new antibacterial substances is an urgent task due to the growing resistance of pathogens to existing antibiotics. One of the key directions in this area is the expansion of scientific research of medicinal plants, as new sources of therapeutic agents. This article examines the possibility of using highly sensitive bioluminescent test bacteria for these purposes, which can quickly detect non-specific antimicrobial activity and can be adapted to highly effective pharmaceutical screening technologies.</p></sec><sec><title>Aim</title><p>Aim. To study the applicability of bioluminescent bacteria for the analysis of the antibacterial activity of biologically active substances (BAS) of plant origin.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. BAS quercetin, 8-hydroxyquinoline, gallic acid and thymoquinone, which are often found in medicinal plant raw materials and with which its antibacterial properties are associated, were used in the work. Bacteria with constitutive bioluminescence Aliivibrio fischeri F1 and Escherichia coli (pXen7), as well as recombinant bioreporter strains with inducible luminescence were used as test-objects: E. coli (pRecA-lux), E. coli (pColD-lux), reacting to nucleic acid damage; E. coli (pKatG-lux) and E. coli (pSoxS-lux), sensitive to oxidative stress.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. It was found that the nonspecific antimicrobial activity of the studied BAS is manifested in the inhibition of bacterial bioluminescence of test-strains with constitutive glowing. It was noted that the marine test-bacteria A. fischeri F1 have significantly greater sensitivity to the action of BAS, compared with the recombinant strain of E. coli (pXen7). It has been shown that their inhibitory effect begins at concentrations of 2 mcg/ml, and bactericidal activity occurs at concentrations of more than 20 mcg/ml. The results obtained are compared with the data on MIC and MBC of gram(+) and gram(–) pathogens. The study of the induction of bioluminescence of recombinant bioreporter strains showed that the antibacterial effect of the BAS is accompanied by oxidative stress. Also, quercetin caused activation of luminescence in E. coli (pRecA-lux) and E. coli (pColD-lux), which may indicate its participation in damage to nucleic acids. Analysis of the induction factors of bioreporter strains indicates that the revealed mechanisms of antibacterial activity are not major, but may be of a secondary nature.</p></sec><sec><title>Conclusion</title><p>Conclusion. It has been shown that the intensity of the glow of natural and recombinant bioluminescent bacteria can be an indicator of the antibacterial activity of BAS of natural origin. The high sensitivity of A. fischeri F1 bacteria to the action of substances such as quercetin, 8-hydroxyquinoline, gallic acid and thymoquinone has been shown. Considering that bioluminescence analysis is a quantitative instrumental method, it can be easily adapted for high-throughput pharmaceutical screening. It has been shown that the luminescence intensity of natural and recombinant bioluminescent bacteria can be an indicator of the antibacterial activity of BAS of natural origin. The high sensitivity of A. fischeri F1 to the action of substances such as quercetin, 8-hydroxyquinoline, gallic acid and thymoquinone has been established. Taking in an account that bioluminescent analysis is a quantitative instrumental method, it can be easily adapted for high-throughput pharmaceutical screening.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>люминесцентные бактерии</kwd><kwd>биолюминесцентные биорепортеры</kwd><kwd>биологически активные вещества</kwd><kwd>лекарственное растительное сырье</kwd></kwd-group><kwd-group xml:lang="en"><kwd>luminescent bacteria</kwd><kwd>bioluminescent bioreporters</kwd><kwd>biologically active substances</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено за счет гранта Российского научного фонда № 22-25-20206, https://rscf.ru/project/22-25-20206.</funding-statement><funding-statement xml:lang="en">The research was carried out at the expense of the grant of the Russian Science Fund № 22-25-20206, https://rscf.ru/project/22-25-20206.</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">Durand G. 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