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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">vuzbiochemi</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Прикладная химия и биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Universities. Applied Chemistry and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-2925</issn><issn pub-type="epub">2500-1558</issn><publisher><publisher-name>ИРНИТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/achb.1029</article-id><article-id custom-type="edn" pub-id-type="custom">BBRHQX</article-id><article-id custom-type="elpub" pub-id-type="custom">vuzbiochemi-1641</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>ФИЗИКО-ХИМИЧЕСКАЯ БИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICOCHEMICAL BIOLOGY</subject></subj-group></article-categories><title-group><article-title>Повышение активности штамма Amycolatopsis orientalis – продуцента антибиотика эремомицина и изучение его антибактериальной активности</article-title><trans-title-group xml:lang="en"><trans-title>Enhancing the activity of Amycolatopsis orientalis, a producer of antibiotic eremomycin, and study of its antibacterial action</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1115-6532</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шибаева</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Shibaeva</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шибаева Александра Сергеевна, аспирант</p><p>125080, г. Москва, Волоколамское шоссе, 11</p></bio><bio xml:lang="en"><p>Aleksandra S. Shibaeva, Postgraduate Student</p><p>11, Volokolamskoe Sh., Moscow, 125080</p></bio><email xlink:type="simple">aleksandrashibaeva@mail.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/0000-0002-3894-0255</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Глаголева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Glagoleva</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Глаголева Елена Викторовна, заместитель руководителя биотехнологического направления</p><p>119311, г. Москва, Цветной б-р, 30</p></bio><bio xml:lang="en"><p>Elena V. Glagoleva, Deputy Head of Biotechnology</p><p>30, Tsvetnoi Ave., Moscow, 119311</p></bio><email xlink:type="simple">glagolevaev@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5161-5051</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Джавахия</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dzhavakhiya</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Джавахия Вахтанг Витальевич, к.б.н., директор научно-производственного центра «Индустриальные биотехнологии»; генеральный директор</p><p>125080, г. Москва, Волоколамское шоссе, 11;</p><p>119311, г. Москва, Цветной б-р, 30</p></bio><bio xml:lang="en"><p>Vakhtang V. Dzhavakhiya, Cand. Sci. (Biology), Director, R&amp;D Center “Industrial Biotechnologies”; Director General</p><p>11, Volokolamskoe Sh., Moscow, 125080;</p><p>30, Tsvetnoi Ave., Moscow, 119311</p></bio><email xlink:type="simple">vahoru@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7162-545X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воинова</surname><given-names>Т. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Voinova</surname><given-names>T. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воинова Татьяна Михайловна, старший научный сотрудник</p><p>143050, р.п. Большие Вяземы, ул. Институт, владение 5</p></bio><bio xml:lang="en"><p>Tatiyana M. Voinova, Senior Researcher</p><p>5, Institute St., Bolshie Vyazemy, 143050</p></bio><email xlink:type="simple">tatiana.voinova@bk.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5220-7877</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ядерец</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yaderets</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ядерец Вера Владимировна, к.б.н., доцент</p><p>125080, г. Москва, Волоколамское шоссе, 11</p></bio><bio xml:lang="en"><p>Vera V. Yaderets, Cand. Sci. (Biology), Associate Professor</p><p>11, Volokolamskoe Sh., Moscow, 125080</p></bio><email xlink:type="simple">verayaderetz@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский биотехнологический университет (РОСБИОТЕХ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Biotechnological University (ROSBIOTECH)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ООО «Иннагро»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>LLC “Innagro”</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Российский биотехнологический университет (РОСБИОТЕХ); ООО «Иннагро»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Biotechnological University (ROSBIOTECH); LLC “Innagro”</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт фитопатологии</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Research Institute of Phytopathology</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>02</day><month>04</month><year>2026</year></pub-date><volume>16</volume><issue>1</issue><fpage>112</fpage><lpage>122</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шибаева А.С., Глаголева Е.В., Джавахия В.В., Воинова Т.М., Ядерец В.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Шибаева А.С., Глаголева Е.В., Джавахия В.В., Воинова Т.М., Ядерец В.В.</copyright-holder><copyright-holder xml:lang="en">Shibaeva A.S., Glagoleva E.V., Dzhavakhiya V.V., Voinova T.M., Yaderets V.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://vuzbiochemi.elpub.ru/jour/article/view/1641">https://vuzbiochemi.elpub.ru/jour/article/view/1641</self-uri><abstract><p>Широкое применение антибиотиков в сельском хозяйстве сопряжено с возникновением новых вызовов, что определяет актуальность поиска и разработки эффективных антимикробных препаратов. Целью работы являлось получение нового высокопродуктивного штамма-продуцента гликопептидного антибиотика эремомицина и оценка антибактериальной активности частично очищенного препарата, выделенного из культуральной жидкости полученного штамма. Новый штамм Amycolatopsis orientalis Е 27-22 получен сочетанием методов многоступенчатой селекции и ненаправленного ультрафиолетового мутагенеза. Упрощенное выделение препарата эремомицина осуществляли одноступенчатой сорбцией из фильтрата культуральной жидкости на макропористую смолу. Антибактериальную активность в отношении ряда грамположительных тест-культур (Staphylococcus aureus, Staphylococcus epidermidis, Micrococcus luteus, Bacillus subtilis, Clostridium perfringens) оценивали методами диффузии в агар и определения минимальных ингибирующих концентраций в сравнении с коммерческим ванкомицином и высокоочищенным эремомицином. Продуктивность нового штамма составила 4,51±0,23 г/л, что на 31,87% превышает продуктивность исходного штамма Amycolatopsis orientalis ВКМ Ac-2717D. Содержание эремомицина в частично очищенном препарате достигло 70,0±2,0% масс. Показано, что, несмотря на упрощенную технологию выделения, полученный препарат сохраняет высокую биологическую активность, уступая референсным антибиотикам не более чем в 2 раза, а в отношении Micrococcus luteus и Clostridium perfringens сопоставим с ванкомицином. Это подтверждает целесообразность дальнейшей разработки упрощенной технологии выделения для потенциального применения в сельском хозяйстве.</p></abstract><trans-abstract xml:lang="en"><p>The widespread use of antibiotics in agriculture is associated with emerging challenges, which underscores the relevance of searching for and developing effective antimicrobial agents. The aim of this work was to obtain a new highly productive strain producing the glycopeptide antibiotic eremomycin and to evaluate the antibacterial activity of a partially purified preparation isolated from the culture liquid of the obtained strain. A new strain – Amycolatopsis orientalis E 27-22 – was obtained through a combination of multistage selection and non-targeted ultraviolet mutagenesis. A simplified isolation of eremomycin was carried out by single-step sorption from the culture filtrate onto a macroporous resin. The antibacterial activity against a number of gram-positive test cultures (Staphylococcus aureus, Staphylococcus epidermidis, Micrococcus luteus, Bacillus subtilis, Clostridium perfringens) was evaluated using agar diffusion and minimum inhibitory concentration determination methods, in comparison with commercial vancomycin and highly purified eremomycin. The productivity of the new strain ranged 4.51±0.23 g/L, which is 31.87% higher than that of the parent strain Amycolatopsis orientalis VKM Ac-2717D. The eremomycin content in the partially purified preparation reached 70.0 ± 2.0 wt%. Despite the simplified isolation technology, the obtained preparation was shown to retain high biological activity, being no more than twofold less active than the reference antibiotics, and comparable to vancomycin against Micrococcus luteus and Clostridium perfringens. The results obtained confirm the feasibility of further development of a simplified isolation process for potential application in agriculture.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>эремомицин</kwd><kwd>гликопептидный антибиотик</kwd><kwd>сельскохозяйственное животноводство</kwd><kwd>Amycolatopsis orientalis</kwd><kwd>ультрафиолетовый мутагенез</kwd><kwd>антибактериальная активность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>eremomycin</kwd><kwd>glycopeptide antibiotic</kwd><kwd>agricultural livestock production</kwd><kwd>Amycolatopsis orientalis</kwd><kwd>ultraviolet mutagenesis</kwd><kwd>antibacterial activity</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">Panditharathne P.N.K.W., Kumbukgolla W.W., Jayaweera J.A.A.S., Rawat D.S. 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