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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">Applied Biochemistry and Microbiology</journal-id><journal-title-group><journal-title xml:lang="en">Applied Biochemistry and Microbiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Прикладная биохимия и микробиология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0555-1099</issn><issn publication-format="electronic">3034-574X</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">689353</article-id><article-id pub-id-type="doi">10.31857/S0555109925030064</article-id><article-id pub-id-type="edn">FNVHRW</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</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">Degradation of dibutyl phthalate by halotolerant strain <italic>Pseudarthrobacter</italic> sp. NKDBFgelt</article-title><trans-title-group xml:lang="ru"><trans-title>Деструкция дибутилфталата галотолерантным штаммом <italic>Pseudarthrobacter</italic> sp. NKDBFgelt</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Yastrebova</surname><given-names>O. V.</given-names></name><name xml:lang="ru"><surname>Ястребова</surname><given-names>О. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>olyastr@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pyankova</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Пьянкова</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>olyastr@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nazarov</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Назаров</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>olyastr@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nechaeva</surname><given-names>Yu. I.</given-names></name><name xml:lang="ru"><surname>Нечаева</surname><given-names>Ю. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>olyastr@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Korsakova</surname><given-names>E. S.</given-names></name><name xml:lang="ru"><surname>Корсакова</surname><given-names>Е. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>olyastr@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Plotnikova</surname><given-names>E. G.</given-names></name><name xml:lang="ru"><surname>Плотникова</surname><given-names>Е. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>olyastr@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Ecology and Genetics of Microorganisms, Ural Branch, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт экологии и генетики микроорганизмов УрО РАН – филиал Пермского федерального исследовательского центра УрО РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-09-04" publication-format="electronic"><day>04</day><month>09</month><year>2025</year></pub-date><volume>61</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>283</fpage><lpage>293</lpage><history><date date-type="received" iso-8601-date="2025-08-16"><day>16</day><month>08</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-08-16"><day>16</day><month>08</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0555-1099/article/view/689353">https://journals.eco-vector.com/0555-1099/article/view/689353</self-uri><abstract xml:lang="en"><p>Dibutyl phthalate (<bold>DBP</bold>) is the di-n-butyl ester of <italic>ortho-</italic>phthalic acid, widely used in the chemical industry as a plasticizer and is a common environmental pollutant. The ability of the halotolerant strain <italic>Pseudarthrobacter </italic>sp. NKDBFgelt (VKM Ac-3035) isolated from the rhizosphere soil of a salt mining area (Perm Krai, Russia) to use DBP as the sole source of carbon and energy was studied. The strain NKDBFgelt was capable of growth on DBP and <italic>ortho-</italic>phthalic acid (PA) at high salinity (up to 30 g/L and 50 g/L NaCl, respectively), as well as growth on DBP at a high concentration — up to 9 g/L. The strain degraded 75.2% DBP (initial concentration 200 mg/L DBP) by 72 h of cultivation in the absence of salt. With increased salinity of the medium (30–70 g/l NaCl), DBP degradation was recorded at a level of 66.95–27.8%. Analysis of the genome of the strain NKDBFgelt revealed clusters of genes involved in the degradation of DBP, PA, benzoic acid, as well as genes encoding enzymes of the main degradation pathways of aromatic compounds. The halotolerant strain <italic>Pseudarthrobacter</italic> sp. NKDBFgelt has a high degradative potential and is promising in the development of new biotechnologies for the restoration of soils contaminated with phthalic acid esters.</p></abstract><trans-abstract xml:lang="ru"><p>Дибутилфталат (<bold>ДБФ</bold>) — ди-н-бутиловый эфир <italic>орто-</italic>фталевой кислоты, широко используется в химической промышленности в качестве пластификатора и является распространенным загрязнителем окружающей среды. Исследована способность галотолерантного штамма <italic>Pseudarthrobacter</italic> sp.<italic> </italic>NKDBFgelt (ВКМ Ас-3035), выделенного из ризосферной почвы района солеразработок (Пермский край, Россия), использовать ДБФ в качестве единственного источника углерода и энергии. Штамм NKDBFgelt способен к росту на ДБФ и <italic>орто-</italic>фталевой кислоте (<bold>ОФК</bold>) — ключевом метаболите деструкции ДБФ, при повышенном засолении среды (до 30 и 50 г/л NaCl соответственно), а также к росту на ДБФ в высокой концентрации — до 9 г/л. Штамм осуществлял разложение 75.2% ДБФ (начальная концентрация 200 мг/л) к 72 ч культивирования в отсутствии соли, но при повышенном засоления среды (30–70 г/л NaCl) зарегистрирована деструкция ДБФ на уровне 27.8–66.95%. Анализ генома штамма NKDBFgelt выявил кластеры генов, участвующих в разложении ДБФ, ОФК, бензойной кислоты, а также гены, кодирующие ферменты основных путей деструкции ароматических соединений. Галотолерантный штамм <italic>Pseudarthrobacter</italic> sp.<italic> </italic>NKDBFgelt имеет высокий деградативный потенциал и перспективен при разработке новых биотехнологий восстановления почв, загрязненных сложными эфирами фталевой кислоты.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Pseudarthrobacter</kwd><kwd>dibutyl phthalate</kwd><kwd>ortho-phthalic acid</kwd><kwd>degradation</kwd><kwd>sodium chloride</kwd><kwd>complete genome</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>Pseudarthrobacter</kwd><kwd>дибутилфталат</kwd><kwd>орто-фталевая кислота</kwd><kwd>разложение</kwd><kwd>хлорид натрия</kwd><kwd>полный геном</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Министерство науки и высшего образования Российской Федерации</institution></institution-wrap><institution-wrap><institution xml:lang="en">Ministry of Science and Higher Education of the Russian Federation</institution></institution-wrap></funding-source><award-id>075-03-2024-459</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Naveen K.V., Saravanakumar K., Zhang X., Sathiyaseelan A., Wang M.-H. // Environ. 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