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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="review-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Journal of microbiology, epidemiology and immunobiology</journal-id><journal-title-group><journal-title xml:lang="en">Journal of microbiology, epidemiology and immunobiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Журнал микробиологии, эпидемиологии и иммунобиологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0372-9311</issn><issn publication-format="electronic">2686-7613</issn><publisher><publisher-name xml:lang="en">Central Research Institute for Epidemiology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">18538</article-id><article-id pub-id-type="doi">10.36233/0372-9311-500</article-id><article-id pub-id-type="edn">mwauhy</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>REVIEWS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОБЗОРЫ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Review Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Subgingival microbiome in periodontal disease and comorbid pathology (meta-analysis)</article-title><trans-title-group xml:lang="ru"><trans-title>Поддесневой микробиом при заболеваниях пародонта и коморбидной патологии (метаанализ)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9571-0520</contrib-id><name-alternatives><name xml:lang="en"><surname>Tsareva</surname><given-names>Tatyana V.</given-names></name><name xml:lang="ru"><surname>Царева</surname><given-names>Татьяна Викторовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.), Associate Professor, Department of microbiology, virology, immunology</p></bio><bio xml:lang="ru"><p>к.м.н., доцент кафедры микробиологии, вирусологии, иммунологии</p></bio><email>nikola777@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8194-2419</contrib-id><name-alternatives><name xml:lang="en"><surname>Balmasova</surname><given-names>Irina P.</given-names></name><name xml:lang="ru"><surname>Балмасова</surname><given-names>Ирина Петровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>D. Sci. (Med.), Professor, Head, Laboratory of pathogenesis and methods of treatment of infectious diseases, Scientific Research Medical Dental Institute</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, зав. лаб. патогенеза и методов лечения инфекционных заболеваний Научно-исследовательского медицинского стоматологического института</p></bio><email>nikola777@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3311-0367</contrib-id><name-alternatives><name xml:lang="en"><surname>Tsarev</surname><given-names>Victor N.</given-names></name><name xml:lang="ru"><surname>Царев</surname><given-names>Виктор Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>D. Sci. (Med.), Professor, Head, Department of microbiology, virology, immunology</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, зав. каф. микробиологии, вирусологии, иммунологии</p></bio><email>nikola777@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Russian University of Medicine</institution></aff><aff><institution xml:lang="ru">Российский университет медицины</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-05-10" publication-format="electronic"><day>10</day><month>05</month><year>2024</year></pub-date><volume>101</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>281</fpage><lpage>292</lpage><history><date date-type="received" iso-8601-date="2024-02-10"><day>10</day><month>02</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Tsareva T.V., Balmasova I.P., Tsarev V.N.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Царева Т.В., Балмасова И.П., Царев В.Н.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Tsareva T.V., Balmasova I.P., Tsarev V.N.</copyright-holder><copyright-holder xml:lang="ru">Царева Т.В., Балмасова И.П., Царев В.Н.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://microbiol.crie.ru/jour/article/view/18538">https://microbiol.crie.ru/jour/article/view/18538</self-uri><abstract xml:lang="en"><p>The problem of chronic periodontitis (CP) is actively discussed due to the recognition of the fact that periodontal microbial damage is closely related to a number of systemic diseases and probably plays an important role in the occurrence of comorbid pathology.</p> <p>The aim of the meta-analysis was to characterize the composition of the subgingival microbiome and to determine the peculiarities of the formation of associations of the new periodontal pathogen Filifactor alocis with other I and II order periodontal pathogenic bacteria, as well as with the commensal bacteria colonizing this biotope.</p> <p>The study presents data of patient examination with obligatory use of polymerase chain reaction methods and sequencing of 16S rRNA genes in 1529 healthy individuals and 2394 patients with CP, 136 patients with CP and concomitant atherosclerosis, 258 patients with CP and concomitant type 2 diabetes mellitus. It was confirmed that the basis of the oral microbiome under normal circumstances is composed of representatives of microaerophilic streptococci, corynebacteria, lactobacilli, as well as representatives of the Veillonella and Sphingobacterium genera. 16S sequencing and bioinformatic analysis allowed us to specify the taxonomic place of the new pathogen F. alocis, as well as representatives of normal microbiota in CP and comorbid somatic pathology.</p></abstract><trans-abstract xml:lang="ru"><p>Проблема хронического пародонтита (ХП) активно обсуждается в связи с признанием того факта, что микробное поражение пародонта тесно связано с рядом системных заболеваний и, вероятно, играет важную роль в возникновении коморбидной патологии.</p> <p>Цель метаанализа — характеристика состава поддесневого микробиома и определение особенностей формирования ассоциаций нового пародонтопатогена Filifactor alocis с другими пародонтопатогенными бактериями I и II порядка, а также комменсальными бактериями, колонизирующими данный биотоп.</p> <p>В исследовании представлены данные обследования пациентов с обязательным использованием методов полимеразной цепной реакции и секвенированием генов 16S рРНК у 1529 здоровых лиц и 2394 пациентов с ХП, 136 человек с ассоциацией ХП и атеросклероза, 258 человек с ассоциацией ХП и сахарного диабета 2-го типа. Подтверждено, что основу орального микробиома в норме составляют представители микроаэрофильных стрептококков, коринебактерий, лактобацилл, а также представителей родов Veillonella и Sphingobacterium. Проведённое 16S-секвенирование и биоинформационный анализ позволили конкретизировать таксономическое место нового возбудителя F. alocis, а также представителей нормобиоты при ХП и коморбидной соматической патологии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Periodontitis</kwd><kwd>type 2 diabetes mellitus</kwd><kwd>atherosclerosis</kwd><kwd>subgingival microbiome</kwd><kwd>Filifactor alocis</kwd><kwd>PCR</kwd><kwd>16S sequencing</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>пародонтит</kwd><kwd>сахарный диабет 2-го типа</kwd><kwd>атеросклероз</kwd><kwd>поддесневой микробиом</kwd><kwd>Filifactor alocis</kwd><kwd>ПЦР</kwd><kwd>16S-секвенирование</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Кузьмина Э.М., Янушевич О.О., Кузьмина И.Н. Стоматологическая заболеваемость населения России. Эпидемиологическое стоматологическое обследование. М.;2019. Kuz'mina E.M., Yanushevich O.O., Kuz'mina I.N. 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