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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">izvestiiatimacad</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Тимирязевской сельскохозяйственной академии</journal-title><trans-title-group xml:lang="en"><trans-title>IZVESTIYA OF TIMIRYAZEV AGRICULTURAL ACADEMY</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-342X</issn><publisher><publisher-name>ФГБОУ ВО РГАУ-МСХА имени К.А. Тимирязева</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26897/0021-342X-2024-4-168-183</article-id><article-id custom-type="elpub" pub-id-type="custom">izvestiiatimacad-606</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>ЗООТЕХНИЯ, БИОЛОГИЯ И ВЕТЕРИНАРНАЯ МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>LIVESTOCK BREEDING, BIOLOGY AND VETERINARY MEDICINE</subject></subj-group></article-categories><title-group><article-title>Анализ, выделение и идентификация микробиома из слепых отростков кишечника промышленных свиней</article-title><trans-title-group xml:lang="en"><trans-title>Analysis, isolation and identification of the microbiome from the ceca of the intestines of industrial pigs</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>Лысенко</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Lysenko</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лысенко Юрий Андреевич, д-р биол. наук, доцент, профессор кафедры ветеринарной медицины; старший научный сотрудник отдела сопровождения грантов и НИР</p><p>27550, г. Москва, ул. Тимирязевская, 49</p><p>350044, г. Краснодар, ул. имени Калинина, 13,  тел.: (961) 518–07–22</p></bio><bio xml:lang="en"><p>Yuriy A. Lysenko, DSc (Bio), Associate Professor, Professor at the Department of Veterinary Medicine</p><p>49 Timiryazevskaya St., Moscow, 127550, phone: (961) 518–07–22</p></bio><email xlink:type="simple">yuraduban45@mail.ru</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>Кощаев</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Koshaev</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кощаев Андрей Георгиевич, д-р биол. наук, академик РАН, профессор, профессор кафедры биотехнологии, биохимии и биофизики</p><p>350044, г. Краснодар, ул. имени Калинина, 13, тел.: (989) 288–27–48</p></bio><bio xml:lang="en"><p>Andrey G. Koshaev, DSc (Bio), Member of the Russian Academy of Sciences, Professor, Professor at the Department of Biotechnology, Biochemistry and Biophysics</p><p>13 Kalinina St., Krasnodar, 350044, phone: (989) 288–27–48</p></bio><email xlink:type="simple">kagbio@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Беляк</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Belyak</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Беляк Владимир Анатольевич, аспирант кафедры биотехнологии, биохимии и биофизики</p><p>350044, г. Краснодар, ул. имени Калинина, 13, тел.: (995) 229–43–16</p></bio><bio xml:lang="en"><p>Vladimir A. Belyak, postgraduate student, Department of Biotechnology, Biochemistry and Biophysics</p><p>13 Kalinina St., Krasnodar, 350044, phone: (995) 229–43–16</p></bio><email xlink:type="simple">vladimirbelyj22@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лунева</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Luneva</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лунева Альбина Владимировна, д-р биол. наук, доцент, профессор кафедры ветеринарной медицины</p><p>27550, г. Москва, ул. Тимирязевская, 49, тел.: (918) 417–21–38</p></bio><bio xml:lang="en"><p>Albina V. Luneva, DSc (Bio), Associate Professor, Professor at the Department of Veterinary Medicine</p><p>49 Timiryazevskaya St., Moscow, 127550, phone: (918) 417–21–38</p></bio><email xlink:type="simple">albina.luneva@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Марченко</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Marchenko</surname><given-names>E. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Марченко Евгений Юрьевич, кандидат ветеринарных наук, ассистент кафедры ветеринарной медицины РГАУ-МСХА им. К.А. Тимирязева</p><p>27550, г. Москва, ул. Тимирязевская, 49</p></bio><bio xml:lang="en"><p>Evgeniy Yu. Marchenko, CSc (Vet), Assistant at the Department of Veterinary Medicine</p><p>49 Timiryazevskaya St., Moscow, 127550, phone: (499) 977–17–82</p></bio><email xlink:type="simple">marchenko.vet@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский государственный аграрный университет – МСХА имени К.А. Тимирязева ; Кубанский государственный аграрный университет имени И.Т. Трубилина</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian State Agrarian University – Moscow Timiryazev Agricultural Academy ; Kuban State Agrarian University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Кубанский государственный аграрный университет имени И.Т. Трубилина</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kuban State Agrarian University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Российский государственный аграрный университет – МСХА имени К.А. Тимирязева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian State Agrarian University – Moscow Timiryazev Agricultural Academy</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>08</day><month>04</month><year>2024</year></pub-date><volume>0</volume><issue>4</issue><fpage>168</fpage><lpage>183</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лысенко Ю.А., Кощаев А.Г., Беляк В.А., Лунева А.В., Марченко Е.Ю., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Лысенко Ю.А., Кощаев А.Г., Беляк В.А., Лунева А.В., Марченко Е.Ю.</copyright-holder><copyright-holder xml:lang="en">Lysenko Y.A., Koshaev A.G., Belyak V.A., Luneva A.V., Marchenko E.Y.</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://izvestiia.timacad.ru/jour/article/view/606">https://izvestiia.timacad.ru/jour/article/view/606</self-uri><abstract><p>В статье представлены данные по использованию современных методов анализа, выделению и идентификации представителей микробиоценоза слепых отростков кишечника промышленных свиней, выращиваемых по интенсивной технологии. Для изучения состава микрофлоры различных таксономических групп в химусе промышленных свиней был использован бактериальный метагеномный анализ. Для выделения доминирующих представителей рода Lactobacillus применялись классические микробиологические методы исследования. Идентификация пробиотически значимых культур микроорганизмов осуществлялась с применением масс-спектрометрического анализа на MALDI-ToF MS в спектрометре BactoSCREEN, а также дополнительно путем определения нуклеотидной последовательности гена 16S рРНК. Проводилось полногеномное секвенирование выделенных превалирующих чистых культур рода Lactobacillus. В результате исследований установлено, что в слепых отростках кишечника поросят-сосунов, свиней на доращивании и откорме наблюдается многообразие состава микробных сообществ, которое с возрастом в количественном соотношении меняется. Результаты массспектрометрического анализа выявили наличие белковых спектров важных представителей бактерий рода Lactobacillus. Из них доминировали два вида Lactobacillus amylovorus и Limosilac-tobacillus mucosae, которые дополнительно были подтверждены путем анализа их нуклеотидной последовательности гена 16S рРНК и при проведении полногеномного секвенирования.</p></abstract><trans-abstract xml:lang="en"><p>The article presents data on the use of modern methods of analysis, isolation and identification of representatives of the microbiocenosis of the ceca of the intestines of industrial pigs raised using intensive technology. Bacterial metagenomic analysis was used to study the composition of microflora of various taxonomic groups in the chyme of industrial pigs. Classical microbiological research methods were used to isolate the dominant representatives of the genus Lactobacillus. Identification of the probiotically relevant microbial cultures was performed by mass spectrometric analysis using MALDI-ToF MS in a BactoSCREEN spectrometer, as well as by nucleotide sequencing of the 16S rRNA gene. Full-genome sequencing of isolated dominant pure cultures of the genus Lactobacillus was carried out. As a result of the research, it was found that in the cecum of the intestines of suckling piglets, growing and fattening pigs there is a diversity of microbial communities, which changes in quantitative proportions with age. The results of mass spectrometric analysis revealed the presence of protein spectra of important representatives of bacteria of the genus Lactobacillus, among which two species, Lactobacillus amylovorus and Limosilactobacillus mucosae, were dominant, which were additionally confirmed by analyzing their nucleotide sequence of the 16S rRNA gene and by performing full-genome sequencing.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>микрофлора кишечника</kwd><kwd>свиньи</kwd><kwd>выделение</kwd><kwd>идентификация</kwd><kwd>метагеномный анализ</kwd><kwd>желудочно-кишечный тракт</kwd><kwd>пробиотик</kwd><kwd>масс-спектрометрия</kwd><kwd>лактобактерии</kwd><kwd>нуклеотидная последовательность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>intestinal microflora</kwd><kwd>pigs</kwd><kwd>isolation</kwd><kwd>identification</kwd><kwd>metagenomic analysis</kwd><kwd>gastrointestinal tract</kwd><kwd>probiotic</kwd><kwd>mass spectrometry</kwd><kwd>Lactobacillus</kwd><kwd>nucleotide sequence</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследования выполнены при финансовой поддержке Кубанского научного фонда в рамках научно-инновационного проекта № НИП-20.1/22.13.</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">Буряко И.А. 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