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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">epidemiology</journal-id><journal-title-group><journal-title xml:lang="ru">Эпидемиология и Вакцинопрофилактика</journal-title><trans-title-group xml:lang="en"><trans-title>Epidemiology and Vaccinal Prevention</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-3046</issn><issn pub-type="epub">2619-0494</issn><publisher><publisher-name>«Numicom» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31631/2073-3046-2024-23-4-96-103</article-id><article-id custom-type="elpub" pub-id-type="custom">epidemiology-2056</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>ПРАКТИЧЕСКИЕ АСПЕКТЫ ЭПИДЕМИОЛОГИИ И ВАКЦИНОПРОФИЛАКТИКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PRACTICAL ASPECTS OF EPIDEMIOLOGY AND VACCINE PREVENTION</subject></subj-group></article-categories><title-group><article-title>Характеристика штамма Klebsiella pneumoniae, выделенного из положительной гемокультуры недоношенного новорожденного ребенка по результатам полногеномного секвенирования</article-title><trans-title-group xml:lang="en"><trans-title>Characteristics of the Klebsiella Pneumoniae Strain Isolated from a Positive Blood Culture of a Premature Newborn Baby According to the Results of Whole Genome Sequencing</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8521-7652</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Устюжанин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ustyuzhanin</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Владимирович Устюжанин – к. м. н., старший научный сотрудник научного отделения иммунологии, микробиологии, патоморфологии и цитодиагностики</p><p>г. Екатеринбург</p><p>+7 (908) 924-94-19</p></bio><bio xml:lang="en"><p>Alexander V. Ustyuzhanin – Cand. Sci. (Med.), Senior Researcher of the Department of Immunology, Microbiology, Pathomorphology and Cytodiagnostics</p><p>Yekaterinburg</p><p>+7 (908) 924-94-19</p></bio><email xlink:type="simple">ust103@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/0000-0002-2834-6754</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маханек</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Makhanyok</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анна Алексеевна Маханек – младший научный сотрудник</p><p>г. Екатеринбург</p><p>+7 (343) 371-28-30</p></bio><bio xml:lang="en"><p>Anna A. Makhanyok – junior researcher of the Department of Immunology, Microbiology, Pathomorphology and Cytodiagnostics</p><p>Yekaterinburg</p><p>+7 (343) 371-28-30</p></bio><email xlink:type="simple">makhanechek@bk.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/0000-0002-0852-6766</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чистякова</surname><given-names>Г. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Chistyakova</surname><given-names>G. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гузель Нуховна Чистякова – д. м. н., профессор, руководитель научного отделения иммунологии, микробиологии, патоморфологии и цитодиагностики</p><p>г. Екатеринбург</p><p>+7 (343) 371-42-60</p></bio><bio xml:lang="en"><p>Guzel N. Chistyakova – Dr. Sci. (Med.), Professor, Head of the Department of Immunology, Microbiology, Pathomorphology and Cytodiagnostics</p><p>Yekaterinburg</p><p>+7 (343) 371-42-60</p></bio><email xlink:type="simple">chistyakovagn@niiomm.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/0000-0002-4238-4642</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ремизова</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Remizova</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Ивановна Ремизова – к. б. н., старший научный сотрудник научного отделения иммунологии, микробиологии, патоморфологии и цитодиагностики</p><p>г. Екатеринбург</p><p>+7 (343) 371-28-30</p></bio><bio xml:lang="en"><p>Irina Iv. Remizova – Cand. Sci. (Biol.), Senior Researcher of the Department of Immunology, Microbiology, Pathomorphology and Cytodiagnostics</p><p>Yekaterinburg</p><p>+7 (343) 371-28-30</p></bio><email xlink:type="simple">RemizovaII@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/0000-0002-8892-7585</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бычкова</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bychkova</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Владимировна Бычкова – к. м. н., руководитель научного отделения</p><p>г. Екатеринбург</p><p>+7 (343) 371-28-30</p></bio><bio xml:lang="en"><p>Svetlana V. Bychkova – Cand. Sci. (Med.), Head of the Department</p><p>Yekaterinburg</p><p>+7 (343) 371-28-30</p></bio><email xlink:type="simple">simomm@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/0000-0002-2900-4422</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абакарова</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Abakarova</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Диана Арсеновна Абакарова – младший научный сотрудник отделения реанимации и интенсивной терапии новорожденных</p><p>г. Екатеринбург</p><p>+7 (343) 371-28-30</p></bio><bio xml:lang="en"><p>Diana A. Abakarova – junior researcher</p><p>Yekaterinburg</p><p>+7 (343) 371-28-30</p></bio><email xlink:type="simple">dianka.abakarova@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Уральский научно-исследовательский институт охраны материнства и младенчества» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ural Scientific Research Institute of Maternity and Child Care</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>09</day><month>09</month><year>2024</year></pub-date><volume>23</volume><issue>4</issue><fpage>96</fpage><lpage>103</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Устюжанин А.В., Маханек А.А., Чистякова Г.Н., Ремизова И.И., Бычкова С.В., Абакарова Д.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Устюжанин А.В., Маханек А.А., Чистякова Г.Н., Ремизова И.И., Бычкова С.В., Абакарова Д.А.</copyright-holder><copyright-holder xml:lang="en">Ustyuzhanin A.V., Makhanyok A.A., Chistyakova G.N., Remizova I.I., Bychkova S.V., Abakarova D.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.epidemvac.ru/jour/article/view/2056">https://www.epidemvac.ru/jour/article/view/2056</self-uri><abstract><p>Актуальность. Klebsiella pneumoniae является распространенным внутрибольничным возбудителем в педиатрических стационарах, зачастую характеризующимся наличием широкого спектра факторов вирулентности и генетических детерминант антибиотикорезистентности. Цель. Характеристика штамма Klebsiella pneumoniae, выделенного из положительной гемокультуры недоношенного новорожденного ребенка по результатам полногеномного секвенирования. Материалы и методы. Секвенирование бета-лактамазы расширенного спектра (БЛРС) продуцирующего штамма K. pneumoniae, выделенного из положительной гемокультуры новорожденного недоношенного ребенка выполняли на платформе MiSeq (Illumina). Анализ нуклеотидных последовательностей ДНК полного генома K. pneumoniae проводили с использованием сайта Центра геномной эпидемиологии. Поиск генетических детерминант антибиотикорезистентности и вирулентности осуществляли с использованием онлайн-сервисов. Результаты и обсуждение. Полученная нуклеотидная последовательность была длиной 5 414 099 п.н., доля азотистых оснований GC составила 57,3%. Выделенный штамм относится к сиквенс-типу ST3559, имеет 4 гена, кодирующих синтез ферментов, гидролизующих антибактериальные препараты из группы бета-лактамов, 2 гена, обеспечивающих устойчивость к хинолонам/фторхинолонам, по 1 гену резистентности к триметоприму, хлорамфениколу, фосфомицину и антибиотикам группы аминогликозидов. Большинство генов факторов вирулентности, выявленных в изучаемом штамме, обеспечивают распознавание и поглощение ионов железа, необходимых для конкурентоспособного функционирования бактериальной клетки. K. pneumoniae обладает геном эффлюксных насосов acrA и его регуляторами, а также 4 профаговыми частицами и одной системой CRISPCas IE. Заключение. Полногеномное секвенирование штамма Klebsiella pneumoniae, выделенного из положительной гемокультуры недоношенного новорожденного ребенка, позволяет подробно охарактеризовать возбудителя генерализованной инфекции, детектировать широкий спектр генетических детерминант факторов вирулентности и антибиотикорезистентности. БЛРС-продуцирующий штамм K. pneumoniae как этиологический агент неонатального сепсиса характеризуется наличием генов вирулентности, множественной лекарственной устойчивостью, сформированной за счет генов, кодирующих ферменты, гидролизующие антибиотики, и наличия эффлюксных насосов и их регуляторов. Использование результатов традиционных культуральных методов исследования совместно с данными высокопроизводительного секвенирования является перспективным направлением научных исследований, имеет резерв практического применения в области клинической медицины, генетики микроорганизмов, молекулярной эпидемиологии на локальном и глобальном уровнях</p></abstract><trans-abstract xml:lang="en"><p>Relevance. K. pneumoniae is a common nosocomial pathogen in pediatric hospitals, often characterized by the presence of a wide range of virulence factors and genetic determinants of antibiotic resistance. Аim. To analyze the results obtained during wholegenome sequencing of a Klebsiella pneumoniae strain isolated from a positive blood culture of a premature newborn. Materials and methods. An ESBL-producing strain of K. pneumoniae isolated from a positive blood culture of a newborn premature infant. Sequencing was performed on the MiSeq platform (Illumina). Analysis of DNA nucleotide sequences of the complete genome of K. pneumoniae was carried out using the website of the Center for Genomic Epidemiology. The search for genetic determinants of antibiotic resistance and virulence was carried out using online services. Results and its discussion. The resulting nucleotide sequence was 5,414,099 bp in length, and the proportion of GC nitrogenous bases was 57.3%. The isolated strain belonged to the sequence type ST3559, had 4 genes encoding the synthesis of enzymes that hydrolyze antibacterial drugs from the beta-lactam group, 2 genes providing resistance to quinolones/fluoroquinolones, 1 resistance gene each to trimethoprim, chloramphenicol, fosfomycin and aminoglycoside antibiotics. Most of the virulence factor genes identified in the studied strain ensure the recognition and absorption of iron ions necessary for the competitive functioning of the bacterial cell. K. pneumoniae possesses the acrA efflux pump gene and its regulators, as well as 4 prophage particles and 1 CRISPCas IE system. Conclusions. Whole-genome sequencing of the K. pneumoniae strain isolated from a positive blood culture of a premature newborn allows us to characterize in detail the causative agent of a generalized infection and detect a wide range of genetic determinants of virulence factors and antibiotic resistance. The ESBL-producing strain of K. pneumoniae, as the etiological agent of neonatal sepsis, was characterized by the presence of virulence genes, multidrug resistance, both due to genes encoding enzymes that hydrolyze antibiotics, and due to the presence of efflux pumps and their regulators. The use of the results of traditional cultural research methods together with high-throughput sequencing data is a promising area of scientific research and has a reserve of practical application in the field of clinical medicine, genetics of microorganisms, molecular epidemiology at the local and global levels</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Klebsiella pneumoniae</kwd><kwd>полногеномное секвенирование</kwd><kwd>гены факторов вирулентности</kwd><kwd>гены резистентности Конфликт интересов не заявлен</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Klebsiella pneumoniae</kwd><kwd>complete genome sequencing</kwd><kwd>virulence factor genes</kwd><kwd>antibiotic resistance genes No conflict of interest to declare</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">Воропаева Н. М., Немченко У. М., Григорова Е. В. и др. 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