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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="other" 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">953</article-id><article-id pub-id-type="doi">10.36233/0372-9311-2020-97-6-10</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>Unknown</subject></subj-group></article-categories><title-group><article-title xml:lang="en">The role of membrane phospholipids in the implementation of protective strategies of bacteria</article-title><trans-title-group xml:lang="ru"><trans-title>Значение мембранных фосфолипидов в реализации защитных стратегий бактерий</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4456-808X</contrib-id><name-alternatives><name xml:lang="en"><surname>Andryukov</surname><given-names>B. G.</given-names></name><name xml:lang="ru"><surname>Андрюков</surname><given-names>Б. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Boris G. Andryukov — D. Sci. (Med.), leading researcher, Laboratory of molecular microbiology</p><p>690087, Vladivostok</p></bio><bio xml:lang="ru"><p>Андрюков Борис Георгиевич — д.м.н., в.н.с. лаб. молекулярной микробиологии</p><p>690087, Владивосток</p></bio><email>andrukov_bg@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5290-3864</contrib-id><name-alternatives><name xml:lang="en"><surname>Lyapun</surname><given-names>I. N.</given-names></name><name xml:lang="ru"><surname>Ляпун</surname><given-names>И. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Irina N. Lyapun — Cand. Sci. (Biol.), senior researcher, Laboratory of molecular microbiology</p><p>690087, Vladivostok</p></bio><bio xml:lang="ru"><p>Ляпун Ирина Николаевна — к.б.н., c.н.с. лаб. молекулярной микробиологии</p><p>690087, Владивосток</p></bio><email>irina-lyapun@list.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9968-3347</contrib-id><name-alternatives><name xml:lang="en"><surname>Matosova</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Матосова</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Ekaterina V. Matosova — junior researcher, Laboratory of molecular microbiology</p><p>690087, Vladivostok</p></bio><bio xml:lang="ru"><p>Матосова Екатерина Владимировна — м.н.с. лаб. молекулярной микробиологии</p><p>690087, Владивосток</p></bio><email>e_matosova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Somov Research Institute of Epidemiology and Microbiology</institution></aff><aff><institution xml:lang="ru">ФГБНУ «НИИ эпидемиологии и микробиологии имени Г.П. Сомова»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-01-20" publication-format="electronic"><day>20</day><month>01</month><year>2021</year></pub-date><volume>97</volume><issue>6</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>594</fpage><lpage>603</lpage><history><date date-type="received" iso-8601-date="2021-01-20"><day>20</day><month>01</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-01-20"><day>20</day><month>01</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Andryukov B.G., Lyapun I.N., Matosova E.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, Андрюков Б.Г., Ляпун И.Н., Матосова Е.В.</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Andryukov B.G., Lyapun I.N., Matosova E.V.</copyright-holder><copyright-holder xml:lang="ru">Андрюков Б.Г., Ляпун И.Н., Матосова Е.В.</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/953">https://microbiol.crie.ru/jour/article/view/953</self-uri><abstract xml:lang="en"><p>To maintain viability under stressful conditions of existence and the implementation of protective strategies, bacteria must receive signals and respond quickly to extreme changes in environmental parameters. The results of recent experimental studies complement the paradigm that has dominated since the 1970s on the predominant role of phospholipids (PL) as molecular building blocks in the formation of the cell wall of bacteria. Specific transformations of these lipid domains have shown to have a significant effect on the shape and function of cells, membrane remodeling, and the ability of bacteria to adapt to environmental stresses. The physiological role of bacterial PLs is pleiotropic and determines both cell integrity and cell function. In addition to the key structural role of membrane PL in the cell, their intermediate metabolites are able to act as secondary messengers and perform important signaling and regulatory functions. Modern studies of the mechanisms of detection and integration of signals from the environment that cause stationary-dynamic changes in phospholipid homeostasis and form pleiotropic resistant cellular bacterial phenotypes are of fundamental and practical interest. PL homeostasis was proved to be crucial for the pathogenesis of bacterial infections and is necessary not only to maintain the viability of bacteria, but also to ensure their growth during infection. The suppression of the biosynthesis of these macromolecules reduces the viability of bacteria. In recent decades, one of the main advances in the concept of "liquid mosaic" model of biological membranes has been the understanding of their domain structure. This discovery is of fundamental and practical interest, since phospholipid domains are a promising target for modern antimicrobial strategies. The aim of this review is to summarize modern ideas about the structural, metabolic and signaling role of membrane PL in the implementation of the protective mechanisms of bacteria and maintaining their viability in adverse environmental conditions.</p></abstract><trans-abstract xml:lang="ru"><p>Для сохранения жизнеспособности в стрессовых условиях существования и реализации защитных стратегий бактерии должны воспринимать сигналы и быстро реагировать на экстремальные изменения параметров среды обитания. Результаты недавних экспериментальных исследований дополнили доминировавшую с 1970-х гг. парадигму о преимущественной роли фосфолипидов (ФЛ) как молекулярных строительных блоков для формирования клеточной стенки бактерий. Установлено, что специфические трансформации этих липидных доменов оказывают существенное влияние на форму и функционирование клеток, ремоделирование мембран и способность бактерий адаптироваться к стрессам окружающей среды. Физиологическая роль бактериальных фосфолипидов является плейотропной и определяет целостность и функцию клеток. Помимо ключевой структурной роли мембранных ФЛ в клетке, их промежуточные метаболиты способны выступать в качестве вторичных мессенджеров и играть важные сигнальные и регуляторные роли. Выявлено, что гомеостаз ФЛ имеет решающее значение для патогенеза бактериальных инфекций и необходим не только для поддержания жизнеспособности бактерий, но и для обеспечения их роста в период инфекции, а нарушение биосинтеза этих макромолекул снижает жизнеспособность бактерий. В последние десятилетия одним из главных достижений в концепции модели биологических мембран на основе «жидкой мозаики» стало понимание их доменной структуры. Это открытие представляет фундаментальный и практический интерес, поскольку фосфолипидные домены являются перспективной мишенью современных антимикробных стратегий. Цель настоящего обзора — обобщение современных представлений о структурной, метаболической и сигнальной роли мембранных ФЛ в реализации защитных механизмов бактерий и поддержании их жизнеспособности в неблагоприятных условиях среды обитания.</p></trans-abstract><kwd-group xml:lang="en"><kwd>bacterial phospholipids</kwd><kwd>cell wall</kwd><kwd>cell membranes</kwd><kwd>remodeling</kwd><kwd>stress adaptation</kwd><kwd>stress reactions</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>бактериальные фосфолипиды</kwd><kwd>клеточная стенка</kwd><kwd>клеточные мембраны</kwd><kwd>ремоделирование</kwd><kwd>стрессовая адаптация</kwd><kwd>стрессовые реакции</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The work was carried out within the framework of the state assignment on the topic of research work No. 0545-2019-0007 "Molecular mechanisms of the formation of stable uncultivated forms of bacteria".</funding-statement><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания по теме НИР № 0545-2019-0007 «Молекулярные механизмы образования устойчивых некультивируемых форм бактерий».</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Sohlenkamp C., Geiger O. 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