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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">antibiotics</journal-id><journal-title-group><journal-title xml:lang="ru">Антибиотики и Химиотерапия</journal-title><trans-title-group xml:lang="en"><trans-title>Antibiot Khimioter = Antibiotics and Chemotherapy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0235-2990</issn><publisher><publisher-name>ООО «Издательство ОКИ»</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">antibiotics-95</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>В ПОМОЩЬ ПРАКТИКУЮЩЕМУ ВРАЧУ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>GUIDELINES FOR PRACTITIONERS</subject></subj-group></article-categories><title-group><article-title>Некоторые закономерности формирования персистирующих форм клинических изолятов грамотрицательных бактерий</article-title><trans-title-group xml:lang="en"><trans-title>Some Regularities of Persistent Forms of Clinical Isolates of Gram-Negative Bacteria Formation</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>Маркелова</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Markelova</surname><given-names>N. N.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Тутельян</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tutelyan</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Писарев</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Pisarev</surname><given-names>V. M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Гапонов</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Gaponov</surname><given-names>A. M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Центральный НИИ эпидемиологии; Российский научный центр рентгенорадиологии МЗ РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Central Research Institute for Epidemiology; Central Research Institute of Roentgenology and Radiology of Ministry of Health of Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Центральный НИИ эпидемиологии; Первый московский государственный медицинский университет им. И. М. Сеченова; Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии им. Д. Рогачёва МЗ РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Central Research Institute for Epidemiology; I. M. Sechenov First Moscow State Medical University of Ministry of Health of Russian Federation; Dmitry Rogachev National Research Center of Pediatric Hematology, Oncology and Immunology of Ministry of Health of Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Центральный НИИ эпидемиологии; Федеральный научно-клинический центр реаниматологии и реабилитологии, НИИ общей реаниматологии им. В. А. Неговского</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Central Research Institute for Epidemiology; Federal Research and Clinical Center of Critical Care Medicine, V. A. Negovsky Research Institute of General Reanimatology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Центральный НИИ эпидемиологии; Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии им. Д. Рогачёва МЗ РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Central Research Institute for Epidemiology; Dmitry Rogachev National Research Center of Pediatric Hematology, Oncology and Immunology of Ministry of Health of Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>06</day><month>05</month><year>2020</year></pub-date><volume>63</volume><issue>7-8</issue><fpage>41</fpage><lpage>46</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Маркелова Н.Н., Тутельян А.В., Писарев В.М., Гапонов А.М., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Маркелова Н.Н., Тутельян А.В., Писарев В.М., Гапонов А.М.</copyright-holder><copyright-holder xml:lang="en">Markelova N.N., Tutelyan A.V., Pisarev V.M., Gaponov A.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.antibiotics-chemotherapy.ru/jour/article/view/95">https://www.antibiotics-chemotherapy.ru/jour/article/view/95</self-uri><abstract><p>Исследована способность клинических изолятов Escherichia coli (16), Klebsiella pneumoniae (20), Pseudomonas aeruginosa (12) к выживанию при воздействии высоких бактерицидных концентраций меропенема: после 2 и 4 ч экспозиции с антибиотиком выявлены антибиотикотолерантные персистирующие формы бактерий (персистеры), представленные колониями обычных размеров и типа SCV (small variant colony). Количество выросших после антибиотической атаки колоний каждого изолята изученных видов бактерий положительно коррелировало (p&lt;0,05) со временем роста соответствующих бактериальных культур от начала лаг-фазы до момента удвоения оптической плотности в среде без антибиотика, при этом количество SCV не зависело от указанного интервала времени (p&gt;0,05). Таким образом, показано, что кинетические параметры роста бактерий в питательной среде могут характеризовать уровень образования ими персистеров в той же среде после добавления антибиотика.</p></abstract><trans-abstract xml:lang="en"><p>The ability of clinical isolates Escherichia coli (16), Klebsiella pneumoniae (20), Pseudomonas aeruginosa (12) to survive under the influence of high bactericidal concentrations of meropenem was studied. After 2 and 4 hours of exposure to the antibiotic, the authors have identified antibiotic-tolerant populations of bacteria (persisters) represented by ordinary sized colonies and SCV type (small variant colony). The number of colonies that have grown after the antibiotic attack of each isolate of above-mentioned species of bacteria positively correlated (P&lt;0.05) with the growth time of the same bacterial cultures from the beginning of the lagphase to the moment of doubling of the optical density in the medium without the antibiotic, while SCV number and the aforementioned time interval were not interdependent (P&gt;0.05). Thus, it has been shown that kinetic parameters of bacterial growth in a medium can designate their level of persisters formation in the same medium after the addition of an antibiotic.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>антибиотикотолерантность</kwd><kwd>бактерицидные концентрации антибиотиков</kwd><kwd>кинетика роста бактерий</kwd><kwd>фенотипическая гетерогенность</kwd><kwd>варианты малых колоний</kwd></kwd-group><kwd-group xml:lang="en"><kwd>antibiotic tolerance</kwd><kwd>persistent cells</kwd><kwd>bactericidal concentrations of antibiotics</kwd><kwd>kinetics of bacterial growth</kwd><kwd>phenotypic heterogeneity</kwd><kwd>variants of small colonies</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">Walsh T. R., Toleman M. A. The emergence of pan-resistant gram-negative pathogens merits a rapid global political response. 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