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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">mvjr</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский вестник Юга России</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Herald of the South of Russia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2219-8075</issn><issn pub-type="epub">2618-7876</issn><publisher><publisher-name>The Rostov State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21886/2219-8075-2020-11-2-94-101</article-id><article-id custom-type="elpub" pub-id-type="custom">mvjr-1052</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Изучение биопленок штаммов V. cholerae на поверхностях биотических и абиотических субстратов с помощью MALDI-ToF масс-спектрометрии</article-title><trans-title-group xml:lang="en"><trans-title>Study of biofilms by V. cholerae strains on the surfaces of biotic and abiotic substrates using mass spectrometry</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8086-376X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Полеева</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Poleeva</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Полеева Марина Владимировна, научный сотрудник</p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Marina V. Poleeva, researcher of Research</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">marina-akulova@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/0000-0002-4059-2878</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чемисова</surname><given-names>О. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Chemisova</surname><given-names>O. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чемисова Ольга Сергеевна, к.б.н., врио зав. лабораторией</p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Olga S. Chemisova, Cand. Sci. (Bio), the acting head laboratory Research</p><p>Rostovon-Don</p></bio><email xlink:type="simple">chemisova@inbox.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/0000-0002-5814-2947</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Меньшикова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Menshikova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Меньшикова Елена Аркадьевна, к.б.н., старший научный сотрудник</p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Elena A. Menshikova, Cand. Sci. (Bio), senior researcher оf Research</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">super.monika2007@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/0000-0001-8235-3288</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сагакянц</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Sagakyants</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сагакянц Маргарита Мардиросовна, научный сотрудник</p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Margaret M. Sagakyants, researcher of Research</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">margsagak@rambler.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/0000-0001-5268-0499</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курбатова</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurbatova</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курбатова Екатерина Михайловна, научный сотрудник</p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Ekaterina M. Kurbatova, researcher of Research</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">kat2080@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ростовский-на-Дону противочумный институт Роспотребнадзора</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute for Plaque Control</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2020</year></pub-date><volume>11</volume><issue>2</issue><fpage>94</fpage><lpage>101</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Полеева М.В., Чемисова О.С., Меньшикова Е.А., Сагакянц М.М., Курбатова Е.М., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Полеева М.В., Чемисова О.С., Меньшикова Е.А., Сагакянц М.М., Курбатова Е.М.</copyright-holder><copyright-holder xml:lang="en">Poleeva M.V., Chemisova O.S., Menshikova E.A., Sagakyants M.M., Kurbatova E.M.</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.medicalherald.ru/jour/article/view/1052">https://www.medicalherald.ru/jour/article/view/1052</self-uri><abstract><sec><title>Цель</title><p>Цель: идентификация и сравнительное изучение белковых спектров биопленок холерных вибрионов методом MALDI-ToF масс-спектрометрии.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы: исследованы штаммы V. cholerae О1, выделенные из разных источников. Методы: бактериологический, масс-спектрометрический.</p></sec><sec><title>Результаты</title><p>Результаты: масс-спектрометрический анализ показал невозможность идентификации штаммов из планктонных проб и из биопленок на хитине и пластике. После культивирования штаммов биопленки и планктона все они были отнесены к виду V. cholerae c показателями Score выше 2,300. Сравнительный анализ MALDI-ToF масс-спектров различных вариантов культур V. cholerae выявил различия, в то же время сохранялись общие пики, отличающиеся по интенсивности.</p></sec><sec><title>Выводы</title><p>Выводы: все пробы культур холерных вибрионов, взятые в анализ после культивирования на питательной среде, были достоверно идентифицированы с высоким показателем Score. В результате сравнительного анализа белковых масс-спектров по величине масса/заряд и относительной интенсивности пиков не выявлено белков, характерных только для планктонных культур или биопленок холерных вибрионов. Показана стабильность фенотипических свойств холерного вибриона независимо от формы его существования и высокая достоверность метода MALDI-ToF масс-спектрометрии для идентификации как планктонных, так и биопленочных форм V. сholeraе при сохранении протокола исследования и бактериологическом высеве.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objective</title><p>Objective: identification and comparative study of protein spectra of Vibrio cholerae biofilms by MALDI-ToF mass spectrometry.</p></sec><sec><title>Materials and methods</title><p>Materials and methods: V. cholerae O1 strains isolated from different sources were studied. Methods: bacteriological, mass spectrometry.</p></sec><sec><title>Results</title><p>Results: mass spectrometric analysis showed that it was impossible to identify strains from “plankton” samples and from chitin and plastic plates. After culturing the biofilm and plankton strains, all of them were assigned to the V. cholerae species with a Score above 2,300. A сomparative analysis of MALDI-ToF mass spectra of different variants of V. cholera cultures revealed differences, while general peaks with different intensity were maintained.</p></sec><sec><title>Conclusions</title><p>Conclusions: all samples of V. cholerae cultures taken for analysis aft er culture on a nutrient medium were reliably identified with a high Score. As a result of comparative analysis of protein mass spectra by the m/z value and relative intensity of peaks, no proteins characteristic only for plankton cultures or biofilms of V. cholerae were detected. The stability of the phenotypic properties of V. cholerae regardless of its form of existence and the high reliability of the MALDI-ToF mass spectrometry method for identifying both planktonic and biofilm forms of V. cholerae with the preservation of the research protocol and bacteriological culturation.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>V. сholeraе</kwd><kwd>масс-спектрометрия</kwd><kwd>биопленка</kwd><kwd>планктон</kwd><kwd>дендрограмма</kwd><kwd>композитный индекс корреляции</kwd></kwd-group><kwd-group xml:lang="en"><kwd>V. cholerae</kwd><kwd>mass spectrometry</kwd><kwd>biofilm</kwd><kwd>plankton</kwd><kwd>dendrogram</kwd><kwd>composite correlation index</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">Ahmed A.H., El Bayomi R.M., Hussein M.A., Khedr M.H.E., Remela A.E.M., El-Ashram A.M.M. 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