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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">mes</journal-id><journal-title-group><journal-title xml:lang="ru">Экстремальная биомедицина</journal-title><trans-title-group xml:lang="en"><trans-title>Extreme Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">3033-8964</issn><issn pub-type="epub">3033-8972</issn><publisher><publisher-name>Centre for Strategic Planning of the Federal Medical and Biological Agency</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.47183/mes.2022.038</article-id><article-id custom-type="elpub" pub-id-type="custom">mes-206</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>ОРИГИНАЛЬНОЕ ИССЛЕДОВАНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Выделение и характеристика бактериофагов Klebsiella pneumoniae, кодирующих полисахарид-деполимеразы  с уникальной капсульной специфичностью</article-title><trans-title-group xml:lang="en"><trans-title>Isolation and characterization of Klebsiella pneumoniae bacteriophages encoding polysaccharide depolymerases with rare capsule specificity</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Городничев</surname><given-names>Р. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorodnichev</surname><given-names>R. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Роман Борисович Городничев</p><p>ул. Малая Пироговская, д. 1а, г. Москва, 119435</p></bio><bio xml:lang="en"><p>Roman B. Gorodnichev</p><p>Malaya Pirogovskaya, 1а, Moscow, 119435</p></bio><email xlink:type="simple">gorodnichev.r.b@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Корниенко</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kornienko</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Беспятых</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bespiatykh</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Малахова</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Malakhova</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Веселовский</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Veselovsky</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Голощапов</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Goloshchapov</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</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>Чухловин</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Chukhlovin</surname><given-names>A. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Беспятых</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bespyatykh</surname><given-names>J. А.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шитиков</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shitikov</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральный научно-клинический центр физико-химической медицины Федерального медико-биологического агентства</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Research and Clinical Center of Physical-Chemical Medicine of the Federal Medical Biological Agency</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Первый Санкт-Петербургский государственный медицинский университет им. акад. И. П. Павлова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pavlov First Saint Petersburg State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Первый Санкт-Петербургский государственный медицинский университет им. акад. И. П. Павлова; Детский научно-клинический центр инфекционных болезней Федерального медико-биологического агентства</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pavlov First Saint Petersburg State Medical University; Pediatric Research and Clinical Center of Infectious Diseases of the Federal Medical Biological Agency</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>28</day><month>10</month><year>2024</year></pub-date><volume>24</volume><issue>4</issue><fpage>52</fpage><lpage>59</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Городничев Р.Б., Корниенко М.А., Беспятых Д.А., Малахова М.В., Веселовский В.А., Голощапов О.В., Чухловин А.Б., Беспятых Ю.А., Шитиков Е.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Городничев Р.Б., Корниенко М.А., Беспятых Д.А., Малахова М.В., Веселовский В.А., Голощапов О.В., Чухловин А.Б., Беспятых Ю.А., Шитиков Е.А.</copyright-holder><copyright-holder xml:lang="en">Gorodnichev R.B., Kornienko M.A., Bespiatykh D.A., Malakhova M.V., Veselovsky V.A., Goloshchapov O.V., Chukhlovin A.B., Bespyatykh J.А., Shitikov E.A.</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://www.extrememedicine.ru/jour/article/view/206">https://www.extrememedicine.ru/jour/article/view/206</self-uri><abstract><p>Бактериальные инфекции, вызываемые устойчивыми к антибиотикам штаммами Klebsiella pneumoniae, входят в список самых опасных угроз для мирового общественного здравоохранения. Одним из альтернативных способов терапии инфекций, вызванных K. pneumoniae, может стать терапия бактериофагами и/или их производными. Целью работы было выделить из внешней среды и охарактеризовать капсуло-специфичные бактериофаги K. pneumoniae, пригодные для терапевтического применения и несущие гены полисахарид-деполимераз. Бактериофаги выделяли из проб речной воды методом накопительных культур. Спектр хозяев бактериофагов оценивали на коллекции из 180 клинических штаммов K. pneumoniae. Полногеномное секвенирование бактериофагов выполняли на платформе MiSeq (Illumina). В рамках исследования выделено и охарактеризовано четыре новых бактериофага, принадлежащих к различным таксономическим группам: vB_KpnM_NDO71 (подсемейство Vequintavirinae), vB_KpnS_MAG26fr (семейство Casjensviridae), vB_KpnS_MDA2066 (семейство Ackermannviridae) и vB_KpnS_PMM-G3 (семейство Drexlerviridae). Бактериофаги vB_KpnM_NDO71, vB_KpnS_MAG26fr и vB_KpnS_PMM-G3 обладали узким спектром литической активности и лизировали все штаммы с капсульным типом штамма хозяина: KL45, KL19 или KL28 соответственно. Бактериофаг vB_KpnS_MDA2066 проявлял литическую активность в отношении штаммов двух различных капсульных типов: KL19 и KL107. Бактериофаги обладали строго вирулентной природой и не несли в своем составе генов интеграз, а также потенциально опасных генов токсинов и детерминант устойчивости к антибиотикам, что позволяет применять их в терапевтической практике. Для каждого бактериофага предсказаны рецептор-связывающие белки, представленные полисахарид-деполимеразами.</p></abstract><trans-abstract xml:lang="en"><p>Bacterial infections caused by antibiotic resistant strains of Klebsiella pneumoniae are among the most dangerous threats for the world's public healthcare. Treatment with bacteriophages and/or their derivatives could become one of the alternative methods for therapy of infections caused by K. pneumoniae. The study was aimed to isolate from the environment and characterize the capsule-specific K. pneumoniae bacteriophages that are useful for therapy and possess the polysaccharide depolymerase genes. Bacteriophages were isolated from the river water samples by enrichment method. The host range of bacteriophages were assessed using the collection of 180 K. pneumoniae clinical strains. Bacteriophage whole genome sequencing was performed on the MiSeq platform (Illumina). Four new bacteriophages from different taxonomic groups were isolated and characterized during the study: vB_KpnM_NDO71 (Vequintavirinae family), vB_KpnS_MAG26fr (Casjensviridae family), vB_KpnS_MDA2066 (Ackermannviridae family), and vB_KpnS_PMM-G3 (Drexlerviridae family). Bacteriophages vB_KpnM_NDO71, vB_KpnS_MAG26fr, and vB_KpnS_PMM-G3 had a narrow lytic spectrum and lysed all strains with the capsular type of the host: KL45, KL19 or KL28, respectively. Bacteriophage vB_KpnS_MDA2066 showed lytic activity against strains with two different capsular types: KL19 and KL107. Bacteriophages were strictly virulent and contained no integrase genes, potentially dangerous toxin genes or antibiotic resistance determinants. This allows them to be used in therapeutic practice. Receptor-binding proteins represented by polysaccharide depolymerases were predicted for each bacteriophage.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>вирулентные бактериофаги</kwd><kwd>Klebsiella pneumoniae</kwd><kwd>антибиотикорезистентность</kwd><kwd>фаготерапия</kwd><kwd>полисахарид-деполимеразы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>virulent bacteriophages</kwd><kwd>Klebsiella pneumoniae</kwd><kwd>antibiotic resistance</kwd><kwd>bacteriophage therapy</kwd><kwd>polysaccharide depolymerases</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">исследование выполнено за счет средств, предоставленных для выполнения государственного задания «Разработка комплексной  схемы терапии лекарственно-устойчивых возбудителей инфекционных заболеваний с применением бактериофагов или их производных в сочетании  с антибактериальными препаратами» (шифр: Бактериофаг-2). Типирование штаммов Klebsiella pneumoniae выполнено за счет гранта Российского  научного фонда №22-15-00149, https://rscf.ru/project/22-15-00149/.</funding-statement><funding-statement xml:lang="en">the study was supported by the funds of the State Assignment "Development of the Scheme for Complex Therapy of Infectious Diseases Caused by  Antibiotic Resistant Pathogens Involving the Use of Bacteriophages or Their Derivatives in Combination with Antibacterials” (code: Bacteriophage-2). Typing of  Klebsiella pneumoniae strains was supported by the Russian Science Foundation (project No. 22-15-00149, https://rscf.ru/project/22-15-00149/).</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">Paczosa MK, Mecsas J. Klebsiella pneumoniae: Going on the Offense with a Strong Defense. 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