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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">Perm Medical Journal</journal-id><journal-title-group><journal-title xml:lang="en">Perm Medical Journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Пермский медицинский журнал (сетевое издание "Perm medical journal")</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0136-1449</issn><issn publication-format="electronic">2687-1408</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">642382</article-id><article-id pub-id-type="doi">10.17816/pmj422146-153</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Biology and experimental medicine</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Биология и экспериментальная медицина</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">Study of the influence of "Klyuchi" mineral water on the representatives of the indigenous intestinal microbiota</article-title><trans-title-group xml:lang="ru"><trans-title>Изучение влияния минеральной воды «Ключи» на представителей индигенной микробиоты кишечника</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4320-8672</contrib-id><name-alternatives><name xml:lang="en"><surname>Gorovitz</surname><given-names>E. S.</given-names></name><name xml:lang="ru"><surname>Горовиц</surname><given-names>Э. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>DSc (Medicine), Professor, Honored Scientist of the Russian Federation, Head of the Department of Microbiology and Virology</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, профессор, заведующий кафедрой микробиологии и вирусологии</p></bio><email>lizavika@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8163-0674</contrib-id><name-alternatives><name xml:lang="en"><surname>Neschislyaev</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Несчисляев</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>DSc (Medicine), Professor of the Department of Industrial Technology of Drugs with a Course in Biotechnology</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, профессор кафедры промышленной технологии лекарств с курсом биотехнологии</p></bio><email>lizavika@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3498-6459</contrib-id><name-alternatives><name xml:lang="en"><surname>Afanasevskaya</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Афанасьевская</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Medicine), Associate Professor of the Department of Microbiology and Virology</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук, доцент, кафедра микробиологии и вирусологии</p></bio><email>lizavika@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-9982-7211</contrib-id><name-alternatives><name xml:lang="en"><surname>Chistokhina</surname><given-names>L. P.</given-names></name><name xml:lang="ru"><surname>Чистохина</surname><given-names>Л. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Medicine), Researcher of the Department of Industrial Technology of Drugs with a Course in Biotechnology</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук, научный сотрудник кафедры промышленной технологии лекарств с курсом биотехнологии</p></bio><email>lizavika@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0401-2546</contrib-id><name-alternatives><name xml:lang="en"><surname>Orlova</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Орлова</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>DSc (Pharmacy), Head of the Department of Industrial Technology of Drugs with a Course in Biotechnology</p></bio><bio xml:lang="ru"><p>доктор фармацевтических наук, заведующая кафедрой промышленной технологии лекарств с курсом биотехнологии</p></bio><email>lizavika@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9114-7208</contrib-id><name-alternatives><name xml:lang="en"><surname>Sorokina</surname><given-names>Yu. V.</given-names></name><name xml:lang="ru"><surname>Сорокина</surname><given-names>Ю. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Pharmacy), Associate Professor of the Department of Industrial Technology of Drugs with a Course in Biotechnology</p></bio><bio xml:lang="ru"><p>кандидат фармацевтических наук, доцент кафедры промышленной технологии лекарств с курсом биотехнологии</p></bio><email>lizavika@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-7352-8778</contrib-id><name-alternatives><name xml:lang="en"><surname>Ivanov</surname><given-names>A. M.</given-names></name><name xml:lang="ru"><surname>Иванов</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>General Manager</p></bio><bio xml:lang="ru"><p>генеральный директор</p></bio><email>lizavika@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-5484-2304</contrib-id><name-alternatives><name xml:lang="en"><surname>Kolesova</surname><given-names>A. R.</given-names></name><name xml:lang="ru"><surname>Колесова</surname><given-names>А. Р.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Deputy General Manager for Medical Work</p></bio><bio xml:lang="ru"><p>заместитель генерального директора по лечебной работе</p></bio><email>lizavika@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Ye.A. Vagner Perm State Medical University</institution></aff><aff><institution xml:lang="ru">Пермский государственный медицинский университет имени академика Е.А. Вагнера</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Perm State Pharmaceutical Academy</institution></aff><aff><institution xml:lang="ru">Пермская государственная фармацевтическая академия</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">"KLYUCHI" Resort</institution></aff><aff><institution xml:lang="ru">Курорт «Ключи»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-04-20" publication-format="electronic"><day>20</day><month>04</month><year>2025</year></pub-date><volume>42</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>146</fpage><lpage>153</lpage><history><date date-type="received" iso-8601-date="2024-11-29"><day>29</day><month>11</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Эко-Вектор</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://permmedjournal.ru/PMJ/article/view/642382">https://permmedjournal.ru/PMJ/article/view/642382</self-uri><abstract xml:lang="en"><p><bold>Objective</bold>. To study the bacteriotropic properties of "KLYUCHI" mineral water in relation to bacteria of the genera <italic>Bifidobacterium</italic>, <italic>Lactobacillus</italic> and <italic>Escherichia</italic>.</p> <p><bold>Materials</bold><bold> and methods</bold>. The impact of "KLYUCHI" mineral water on the representatives of the indigenous microbiota of the gastrointestinal tract was determined. Probiotic strains <italic>L. plantarum</italic> 8P-A3 and <italic>B. bifidum</italic> 1 were cultivated on a "starvation" nutrient medium. The level of accumulation of cellular biomass, pH, acid-forming activity and concentration of the carbohydrate component were assessed in the culture fluid, The influence of mineral water on the physiological state of bacterial cells was studied by determining the intensity of bioluminescence of the genetically engineered strain <italic>E. coli</italic> lum+ using various solvents for rehydration of the lyophilized indicator culture.</p> <p><bold>Results</bold><bold>.</bold> "KLYUCHI" mineral water had a significant stimulating effect on the accumulation of biomass and acid formation of the tested strains of lactobacilli and bifidobacteria. The stimulating effect was more pronounced in the bifidobacteria culture. Contact of bacterial cells with mineral water both in the form of a solvent for the lyophilized culture and as an additional component of the nutrient medium provided almost equivalent results. Mineral water had a pronounced stimulating effect on the bioluminescence of the indicator strain, increasing the intensity of its luminescence twice compared to the control.</p> <p><bold>Conclusions</bold>. The stimulating effect of “KLYUCHI” mineral water on the representatives of the indigenous intestinal microbiota confirms the validity of its use in the treatment of gastrointestinal diseases, eating and metabolic disorders, as well as in probiotic therapy.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель. </bold>Изучение бактериотропных свойств минеральной воды «КЛЮЧИ» в отношении бактерий родов <italic>Bifidobacterium</italic>, <italic>Lactobacillus</italic> и <italic>Escherichia</italic>.</p> <p><bold>Материалы и методы. </bold>Определяли воздействие минеральной воды «КЛЮЧИ» на представителей индигенной микробиоты желудочно-кишечного тракта. Пробиотические штаммы <italic>L</italic><italic>. </italic><italic>plantarum</italic> 8P-А3 и <italic>B</italic><italic>.</italic> <italic>bifidum</italic> 1 культивировали на «голодной» питательной среде. Оценивали уровень накопления клеточной биомассы, рН, активность кислотообразования и концентрацию углеводного компонента в культуральной жидкости. Влияние минеральной воды на физиологическое состояние бактериальных клеток изучали при определении интенсивности биолюминесценции генно-инженерного штамма <italic>E</italic><italic>. </italic><italic>coli</italic> lum+ с использованием для регидратации лиофилизированной индикаторной культуры различных растворителей.</p> <p><bold>Результаты. </bold>Минеральная вода «КЛЮЧИ» оказывала выраженное стимулирующее действие на накопление биомассы и кислотообразование апробированных штаммов лакто- и бифидобактерий. Стимулирующий эффект был более выражен у культуры бифидобактерий. Контакт бактериальных клеток с минеральной водой в виде растворителя лиофилизированной культуры или в качестве дополнительного компонента питательной среды обеспечивал практически равнозначные результаты. Минеральная вода оказывала выраженное стимулирующее влияние на биолюминесценцию индикаторного штамма, вызывая двукратное увеличение интенсивности его свечения по сравнению с контролем.</p> <p><bold>Выводы. </bold>Стимулирующее влияние минеральной воды «КЛЮЧИ» на представителей индигенной микробиоты кишечника подтверждает обоснованность ее применения для лечения болезней органов пищеварения, расстройств питания и нарушения обмена веществ, а также при пробиотикотерапии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Mineral water</kwd><kwd>Escherichia</kwd><kwd>lactobacilli</kwd><kwd>bifidobacteria</kwd><kwd>bioluminescence</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>минеральная вода</kwd><kwd>эшерихии</kwd><kwd>лактобактерии</kwd><kwd>бифидобактерии</kwd><kwd>биолюминесценция</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Mubarakshina O.A., Dronova Yu.M., Chernov S.Yu. 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