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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">10.18470/1992-1098-2022-4-101-110</article-id><article-id custom-type="elpub" pub-id-type="custom">ecodag-2665</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 роли микроэлементов для синтеза антигрибных метаболитов штамма бактерии‐антагониста Bacillus velezensis</article-title><trans-title-group xml:lang="en"><trans-title>Determining the role of microelements for the synthesis of antifungal metabolites of the antagonistic Bacillus velezensis 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/0000-0002-7297-5929</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Томашевич</surname><given-names>Н. C.</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>Наталья С. Томашевич, к.с.‐х.н., с.н.с. лаборатории микробиологической защиты растений</p><p>350039 г. Краснодар, п/о‐39</p><p>Тел. +79280388165</p></bio><bio xml:lang="en"><p>Natalia S. Tomashevich, Ph D (Agriculture), Senior Researcher, Microbiological Plant Protection Laboratory</p><p>p/o‐39 Krasnodar 350039</p><p>Tel. +79280388165</p></bio><email xlink:type="simple">tom-s2@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/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>Татьяна М. Сидорова</p><p>Краснодар</p></bio><bio xml:lang="en"><p>Tatiana M. Sidorova</p><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/0000-0003-3032-1983</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Киселева</surname><given-names>О. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kiseleva</surname><given-names>O. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольга И. Киселева </p><p>Москва</p></bio><bio xml:lang="en"><p>Olga I. Kiseleva</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курбатов</surname><given-names>И. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurbatov</surname><given-names>I. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Илья Ю. Курбатов </p><p>Москва</p></bio><bio xml:lang="en"><p>Ilya Yu. Kurbatov</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8679-6139</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 </p><p>Краснодар</p></bio><bio xml:lang="en"><p>Valeria V. Allahverdyan</p><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/0000-0002-0060-1995</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>Анжела М. Асатурова </p><p>Краснодар</p></bio><bio xml:lang="en"><p>Anzhela M. Asaturova</p><p>Krasnodar</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральное государственное бюджетное научное учреждение «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><aff-alternatives id="aff-2"><aff xml:lang="ru">Федеральное государственное бюджетное научное учреждение «Научно‐исследовательский институт биомедицинской химии имени В.Н. Ореховича»<country>Россия</country></aff><aff xml:lang="en">Institute of Biomedical Chemistry<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>29</day><month>12</month><year>2022</year></pub-date><volume>17</volume><issue>4</issue><elocation-id>101‐110</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Томашевич Н.C., Сидорова Т.М., Киселева О.И., Курбатов И.Ю., Аллахвердян В.В., Асатурова А.М., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Томашевич Н.C., Сидорова Т.М., Киселева О.И., Курбатов И.Ю., Аллахвердян В.В., Асатурова А.М.</copyright-holder><copyright-holder xml:lang="en">Tomashevich N.S., Sidorova T.M., Kiseleva O.I., Kurbatov I.Y., 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/2665">https://ecodag.elpub.ru/ugro/article/view/2665</self-uri><abstract><sec><title>Цель</title><p>Цель. Изучить состав экзометаболома бактерий штамма Bacillus velezensis BZR336g c применением с применением двумерной газовой хроматографии в сочетании с масс‐спектрометрией (GC×GC‐MS) метода при культивировании на питательных средах, различающихся по содержанию микроэлементов.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Объект исследования – штамм бактерии B. velezensis BZR 336g. Он является перспективным для разработки на его основе биопрепарата для защиты растений от фитопатогенных грибов. Из жидкой культуры выделяли экзометаболиты и анализировали из метаболомный профиль методом GC×GC‐MS.</p></sec><sec><title>Результаты</title><p>Результаты. Среди идентифицированных соединений можно увидеть предшественники биологически активных метаболитов бактерий штамма B. velezensis BZR336g. Анализ суммарного накопления жирных кислот и их аналогов, а также аминокислот и пептидов бактериями B. velezensis BZR336g на питательных средах, различающихся по содержанию ионов металлов, показывает, что ионы Со2+ в сочетании с ионами Mn2+ и Zn2+ играют важную роль в индуцировании их синтеза. На синтез пептидных составляющих наибольшее влияние оказывает присутствие в питательной среде иона Со2+. Если убрать его из питательной среды, количество пептидов, аминокислот и пептидов уменьшается почти в два раза. Соединения бензольной природы могут выступать в роли прекурсоров ароматических углеводородов, которые также представляют интерес при анализе метаболизма бактерий, так как они обладают антимикробной активностью.</p></sec><sec><title>Заключение</title><p>Заключение. Количество соединений, которые являются прекурсорами метаболитов липопептидной природы, зависит от содержания ионов металлов в питательной среде. Этот факт может изменяться в зависимости от того, в какой комбинации присутствуют металлы.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. To study the structure of bacteria exometabolites of the Bacillus velezensis BZR336g strain using the GC×GC‐MS method when cultivated on nutrient media differing in the content of microelements.</p></sec><sec><title>Material and Methods</title><p>Material and Methods. The object of the study is the B. velezensis BZR336g bacterium strain. It shows promise for the development of a biopreparation on its basis for protecting plants against phytopathogenic fungi. Exometabolites were isolated from the liquid culture and their metabolomic profile was analysed with the GC×GC‐MS method using a LECO Pegasus BT‐4D device.</p></sec><sec><title>Results</title><p>Results. Among the identified compounds one can see the precursors of biologically active metabolites of bacteria of the strain B. velezensis BZR336g. Analysis of the total accumulation of fatty acids and their analogs, as well as of amino acids and peptides, by B. velezensis BZR336g bacteria on nutrient media differing in the content of metal ions, shows that Co2+ ions in combination with Mn2+ and Zn2+ ions play an important role in inducing their synthesis. The presence of the Co2+ ion in the nutrient medium has the greatest influence on the synthesis of peptide components. If it is removed from the nutrient medium, the amount of amino acids and peptides decreases by almost two times. Benzene compounds can act as precursors of aromatic hydrocarbons, which are also of interest in the analysis of bacterial metabolism, since they have antimicrobial activity.</p></sec><sec><title>Conclusions</title><p>Conclusions. The number of compounds that are precursors of lipopeptide metabolites depends on the content of metal ions in the nutrient medium. This fact may vary depending on the combination in which the metals are present.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>Экзометаболиты</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>Exometabolites</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>Исследования выполнены при поддержке гранта Президента Российской Федерации для государственной поддержки молодых российских ученых – кандидатов наук № МК‐1651.2021.5.</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The research was supported by grant of the President of the Russian Federation for state support of young Russian scientists No. MK‐1651.2021.5.</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">Harwood C.R, Mouillon J.-M., Pohl S., Arnau J. 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