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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">ecodag</journal-id><journal-title-group><journal-title xml:lang="ru">Юг России: экология, развитие</journal-title><trans-title-group xml:lang="en"><trans-title>South of Russia: ecology, development</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1992-1098</issn><issn pub-type="epub">2413-0958</issn><publisher><publisher-name>State Institute of Applied Ecology of the Republic of Dagestan</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18470/1992-1098-2023-2-70-81</article-id><article-id custom-type="elpub" pub-id-type="custom">ecodag-2830</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>ЭКОЛОГИЯ МИКРООРГАНИЗМОВ</subject></subj-group></article-categories><title-group><article-title>Изучение метаболитов новых перспективных штаммов бактерий‐антагонистов рода Bacillus для повышения эффективности биопрепаратов фунгицидного  действия на их основе</article-title><trans-title-group xml:lang="en"><trans-title>The study of metabolites of new promising strains  of bacterial‐antagonists of the genus Bacillus to increase the effectiveness of fungicidal biological products based on them</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7297-5929</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Томашевич</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Tomashevich</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Краснодар</p></bio><bio xml:lang="en"><p>Krasnodar</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/0000-0003-4281-5278</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сидорова</surname><given-names>Т. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Sidorova</surname><given-names>T. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Краснодар</p></bio><bio xml:lang="en"><p>Krasnodar</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/0000-0002-8679-6139</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аллахвердян</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Allahverdyan</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Валерия В. Аллахвердян, м.н.с. лаборатории микробиологической защиты растений</p><p>350039 г. Краснодар, п/о‐39.</p><p>Тел. +79648950107</p></bio><bio xml:lang="en"><p>Valeria V. Allahverdyan, junior researcher laboratory of microbiological plant protection</p><p>350039 Krasnodar, p/o‐39.</p><p>Tel. +79648950107</p></bio><email xlink:type="simple">lera_arm@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/0000-0002-0060-1995</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Асатурова</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Asaturova</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Краснодар</p></bio><bio xml:lang="en"><p>Krasnodar</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральный научный центр биологической защиты растений<country>Россия</country></aff><aff xml:lang="en">Federal Research Centre of Biological Plant Protection<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>11</day><month>07</month><year>2023</year></pub-date><volume>18</volume><issue>2</issue><elocation-id>70‐81</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Томашевич Н.С., Сидорова Т.М., Аллахвердян В.В., Асатурова А.М., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Томашевич Н.С., Сидорова Т.М., Аллахвердян В.В., Асатурова А.М.</copyright-holder><copyright-holder xml:lang="en">Tomashevich N.S., Sidorova T.M., Allahverdyan V.V., Asaturova A.M.</copyright-holder><license 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://ecodag.elpub.ru/ugro/article/view/2830">https://ecodag.elpub.ru/ugro/article/view/2830</self-uri><abstract><sec><title>Цель</title><p>Цель. Изучить метаболомный профиль перспективных для разработки биофунгицидов штаммов бактерий рода Bacillus с использованием методов тонкослойной хроматографии (ТСХ), биоавтографии и высокоэффективной жидкостной хроматографии с масс‐спектрометрией (ВЭЖХ‐МС).</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Объекты исследования – штаммы бактерий рода Bacillus. Из жидкой культуры выделяли экзометаболиты и анализировали их метаболомный профиль методами ТСХ, биоавтографии и ВЭЖХ‐МС.</p></sec><sec><title>Результаты</title><p>Результаты. Методом биоавтографии с тест‐культурой гриба F. oxysporum var. orthoceras BZR F6 идентифицированы метаболиты штаммов бактерий рода Bacillus сурфактин, итурин и фенгицин. Количественный анализ с применением ВЭЖХ‐МС анализа позволяет констатировать, что штаммы B. velenzensis BZR 336g и B. amyloliquefaciens BZR 277 продуцируют больше сурфактина, чем другие. Обнаружено повышенное содержание липопептидов итуриновой природы у штаммов B. velezensis BZR 517 и B. velenzensis BZR 336g. По способности продуцировать фенгицины штаммы B. velezensis BZR 517 и B. velenzensis BZR 336g, опережают другие штаммы.</p></sec><sec><title>Заключение</title><p>Заключение. Исследования с использованием двух аналитических методов позволяют обнаружить, что штаммы продуцируют все три антигрибных липопептида. Это важно, поскольку метаболиты способны не только подавлять фитопатогенные грибы, но и усиливать антигрибной эффект за счет синергизма. Полученные результаты позволяют констатировать о возможности использования всех четырех штаммов в качестве продуцентов эффективных биофунгицидов.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. To study the metabolomic profile of bacterial strains of the genus Bacillus promising for the development of biofungicides using thin layer chromatography (TLC), bioautography and high performance liquid chromatography with mass spectrometry (HPLC‐MS).</p></sec><sec><title>Materials and Methods</title><p>Materials and Methods. The objects of study are strains of bacteria of the genus Bacillus. Exometabolites were isolated from the liquid culture and their metabolomic profile was analyzed by TLC, bioautography, and HPLC‐MS.</p></sec><sec><title>Results</title><p>Results. By the method of bioautography with a test culture of the fungus F. oxysporum var. orthoceras BZR F6 metabolites of bacterial strains of the genus Bacillus surfactin, iturin and fengycin were identified. Quantitative analysis using HPLC‐MS analysis allows us to state that the B. velenzensis BZR 336g and B. amyloliquefaciens BZR 277 strains produce more surfactin than the others. An increased content of ituric lipopeptides was found in strains B. velezensis BZR 517 and B. velenzensis BZR 336g. According to the ability to produce fengycins, strains of B. velezensis BZR 517 and B. velenzensis BZR 336g are ahead of other strains.</p></sec><sec><title>Conclusion</title><p>Conclusion. Studies using two analytical methods reveal that the strains produce all three antifungal lipopeptides. This is important, since metabolites are able not only to suppress phytopathogenic fungi, but also to enhance the antifungal effect due to synergism. The results obtained allow us to state the possibility of using all four strains as producers of effective biofungicides. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>Метаболиты</kwd><kwd>Bacillus velezensis</kwd><kwd>антигрибные липопептиды</kwd><kwd>газовая хроматография‐масс‐спектрометрия</kwd><kwd>метаболомный профиль</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Metabolites</kwd><kwd>Bacillus velezensis</kwd><kwd>antifungal lipopeptides</kwd><kwd>gas chromatography‐mass spectrometry</kwd><kwd>metabolomic profile</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Исследование выполнено за счет гранта Российского научного фонда № 21‐76‐00040, https://rscf.ru/project/21‐ 76‐00040/  Авторы выражают благодарность Международному томографическому центру Сибирского Отделения Российской Академии Наук за выполнение хроматографических профилей с применением метода  ВЭЖХ‐МС.</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The study was supported by Russian Science Foundation grant  No. 21‐76‐00040, https://rscf.ru/project/21‐76‐00040/  The authors express their gratitude to the International  Tomographic Centre of the Siberian Branch of the Russian Academy of Sciences for performing chromatographic profiles using the HPLC‐MS method.</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">Harwood C.R., Mouillon J.‐M., Pohl S., Arnau J. 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