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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">mimmun</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская иммунология</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Immunology (Russia)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1563-0625</issn><issn pub-type="epub">2313-741X</issn><publisher><publisher-name>SPb RAACI</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15789/1563-0625-CAT-2750</article-id><article-id custom-type="elpub" pub-id-type="custom">mimmun-2750</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SHORT COMMUNICATIONS</subject></subj-group></article-categories><title-group><article-title>Хронобиологический подход к изучению физиологической активности Candida species</article-title><trans-title-group xml:lang="en"><trans-title>Chronobiological approach to study the physiological activity of Candida species</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1099-0656</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Николенко</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikolenko</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николенко Марина Викторовна – доктор биологических наук, профессор кафедры микробиологии, заведующая лабораторией микробиома, регенеративной медицины и клеточных технологий</p><p>625023, г. Тюмень, ул. Одесская, 54</p></bio><bio xml:lang="en"><p>Marina V. Nikolenko, PhD, MD (Biology), Professor, Department of Microbiology, Head, Laboratory of Microbiome, Regenerative Medicine and Cellular Technologies</p><p>54 Odesskaya St Tyumen 625023</p></bio><email xlink:type="simple">nikolenko-marina@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/0000-0001-6458-4920</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Барышникова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Baryshnikova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Барышникова Ннаталья Викторовна – старший преподаватель кафедры микробиологии</p><p>Тюмень</p></bio><bio xml:lang="en"><p>Natalya V. Baryshnikova, Senior Lecturer, Department of Microbiology</p><p>Tyumen</p></bio><email xlink:type="simple">barnv7600@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/0000-0001-8709-5281</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Малишевская</surname><given-names>О. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Malishevskaya</surname><given-names>O. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Малишевская Ольга Ивановна – кандидат фармацевтическипх наук, доцент кафедры фармацевтических дисциплин</p><p>Тюмень</p></bio><bio xml:lang="en"><p>Olga I. Malishevskaya, PhD (Pharmaceuticals), Associate Professor, Department of Pharmaceutical Disciplines</p><p>Tyumen</p></bio><email xlink:type="simple">olgaivan1988@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/0000-0002-5556-3180</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Васева</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Vaseva</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Васева Екатерина Михайловна – кандидат фармацевтическипх наук, доцент кафедры фармацевтических дисциплин</p><p>Тюмень</p></bio><bio xml:lang="en"><p>Ekaterina M. Vaseva, PhD (Pharmaceuticals), Associate Professor, Department of Pharmaceutical Disciplines</p><p>Tyumen</p></bio><email xlink:type="simple">yuga-21@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Тюменский государственный медицинский университет» Министерства здравоохранения РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tyumen State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>01</day><month>06</month><year>2023</year></pub-date><volume>25</volume><issue>3</issue><fpage>563</fpage><lpage>568</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Николенко М.В., Барышникова Н.В., Малишевская О.И., Васева Е.М., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Николенко М.В., Барышникова Н.В., Малишевская О.И., Васева Е.М.</copyright-holder><copyright-holder xml:lang="en">Nikolenko M.V., Baryshnikova N.V., Malishevskaya O.I., Vaseva 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.mimmun.ru/mimmun/article/view/2750">https://www.mimmun.ru/mimmun/article/view/2750</self-uri><abstract><p>Изучение биологических свойств в течение суток позволяет  выявить  ритмометрические маркеры, которые можно использовать для дифференциальной диагностики возбудителей при разных состояниях пациента. Данные закономерности изучены на примере клинических изолятов С. albicans, С. tropicalis и C. krusei, выделенных из вагинальной микробиоты при кандидозном дисбиозе. Контролем служили эталонные штаммы из американской коллекции типовых культур (АТСС). Физиологические свойства детально изучены на примере биопленкообразования дрожжевых патогенов. Биологическую активность пленкообразования Сandida sp. смотрели в течение двух суток с 4-часовым интервалом, в зимнее время года. Для экспериментов использовали суточные культуры, что соответствовало максимальной адгезии их на поверхности стекла. Хронометраж исследований подразумевал получение по оцениваемой функции 6 измерений в сутки с 3-5-кратным повторением условий эксперимента. Для выявления цикличности изучаемого параметра, данные статистически обработаны по Стьюденту, непараметрическими методами с применением критерия Манна–Уитни и методу наименьших квадрантов.</p><p>В ходе экспериментов выявлено наличие пленкообразующей активности грибов в течение суток (р &lt; 0,05) и обнаружить общие закономерности проявления свойств у представителей всех изучаемых видов. Доказано, что основными ритмометрическими параметрами имеющие диагностическое значение являются период ритма и амплитудно-фазовая стабильность. Установлено, что суточная динамика биопленкобразования C. albicans 24433 АТСС характеризовалась ультрадианным (около 12-часовым) вкладом ритма в утреннее – 04:00 и вечернее время – 16:00. У C. non-albicans АТСС выявлены достоверные циркадианные (околосуточные) ритмы активности адгезии к поверхности стекла. У клинических изолятов дрожжей, выделенных из женского репродуктивного тракта при кандидозной патологии, динамика биопленкообразования характеризовалась достоверными ультрадианными (около 12-часовыми) гармониками, что имеет важное биологическое значение, определяющее устойчивость к внешним воздействиям и способность к адаптивному ответу на периодические раздражители.</p><p>Использование хронобиологического метода, на наш взгляд, открывает новые перспективы при изучении физиологии Сandida sp., так как дает возможность прогнозировать динамику состояния микроорганизма и учитывать особенности срочной и долговременной адаптации к разным факторам внешней среды. Выявление суточных ритмов биопленкообразующей активности у различных штаммов Candida sp., открывает возможность управлять жизнеспособностью бактериально-грибковых ассоциаций и прогнозировать их устойчивость к различным антимикробным средствам.</p></abstract><trans-abstract xml:lang="en"><p>Rythmometric markers can be identified within a day during the study of biological characteristics in order to be used for differential diagnostics of pathogens of different patients’ physical condition. These principles are based on analysis of clinical isolates С. albicans, С. tropicalis and C. krusei allocated from the vaginal microbiota at Candida dysbiosis condition. Control examples were the master samples from the American Type Culture Collection (ATCC). Detailed research was conducted on physiological characteristics through the formation of biofilms by yeast pathogens. Biological activity of Candida sp. biofilming was observed within 2 days with 4 hours interval in winter. Daily cultures were used for the experiment to correspond to their maximum adhesion to the glass surface. It was important to obtain 6 measurements per day with 3-5 times repetition of experiment conditions during the specified timeline. In order to determine the periodicity of the parameters studied, the data was statistically processed by Student’s t-test, using Mann–Whitney criteria and nonparametric method of least square method.</p><p>It was found out that biofilming activity during 24 hours (р &lt; 0.05) of fungi exists and that all species have many principles in common. It was attested that the main rhythmometric parameters of diagnostic significance are the rhythm period and amplitude-phase stability. It was found that the daily dynamics of C. albicans 24433 biofilm formation from American Type Culture Collection was characterized by an ultradian (about 12-hours) contribution of the rhythm in the morning – 4 A.M and in the evening – 4 P.M. Significant circadian (approx. daily) rhythms of adhesion glass surface activity were revealed in C. non-albicans from American Type Culture Collection. The dynamic of biofilm formation isolates of yeast from female reproductive organs with Candida pathology was characterized by reliable ultradian (about 12-hour) harmonics which biological significance defines resistance to external impact and the ability to adaptively respond to periodic stimuli.</p><p>To sum up, implementation of the chronobiological approach has opened up new prospects for studying the physiology of Сandida sp., as it enables us to predict the dynamics of microbial states and takes into account the specificity of emergency and long-term adaptation to different environmental factors. The detection of the circadian rhythm of biofilm formation activity of different Candida sp. strains provides the possibility to manage the vitality of the Society of Bacteria and Fungi and predicts its resistance to various antibiotics.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>хроном</kwd><kwd>биоритмы</kwd><kwd>грибы рода Candida</kwd><kwd>биопленки</kwd><kwd>физиологическая активность</kwd><kwd>амплитудно-фазовая стабильность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chronome</kwd><kwd>biorhythms</kwd><kwd>Fungi of the genus Candida</kwd><kwd>biofilms</kwd><kwd>physiological activity</kwd><kwd>amplitude-phase stability</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">Al-Fattani M., Douglas L. Penetration of Candida biofilms by antifungal agents. Antimicrob. 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