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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-78</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 PAPERS</subject></subj-group></article-categories><title-group><article-title>Биоплёнки антибиотикорезистентных Propionibacterium acnes и их чувствительность к антибактериальным пептидам стафилококков</article-title><trans-title-group xml:lang="en"><trans-title>Biofilms of Antibiotic-Resistant Propionibacterium Acnes and Their Sensitivity to Antimicrobial Peptides of Staphylococci</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>Полюдова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Polyudova</surname><given-names>T. V.</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>Ерошенко</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Eroshenko</surname><given-names>D. 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>Коробов</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Korobov</surname><given-names>V. P.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт экологии и генетики микроорганизмов УрО РАН - филиал Пермского федерального исследовательского центра УрО РАН; Пермский государственный аграрно-технологический университет им. акад. Д. Н. Прянишникова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Ecology and Genetics of Microorganisms of the Ural Branch of the Russian Academy of Sciences; Perm State Agro-Technological University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт экологии и генетики микроорганизмов УрО РАН - филиал Пермского федерального исследовательского центра УрО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Ecology and Genetics of Microorganisms of the Ural Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт экологии и генетики микроорганизмов УрО РАН - филиал Пермского федерального исследовательского центра УрО РАН; Пермский национальный исследовательский политехнический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Ecology and Genetics of Microorganisms of the Ural Branch of the Russian Academy of Sciences; Perm National Research Polytechnic University</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>5-6</issue><fpage>3</fpage><lpage>9</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Полюдова Т.В., Ерошенко Д.В., Коробов В.П., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Полюдова Т.В., Ерошенко Д.В., Коробов В.П.</copyright-holder><copyright-holder xml:lang="en">Polyudova T.V., Eroshenko D.V., Korobov V.P.</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/78">https://www.antibiotics-chemotherapy.ru/jour/article/view/78</self-uri><abstract><p>Работа посвящена изучению биологических свойств антибиотикорезистентных бактерий Propionibacterium acnes и их чувствительности к антибактериальным катионным пептидам варнерину и хоминину. Селекционным путём получены устойчивые к рифампицину и тетрациклину штаммы P.acnes VKM Ac-1450. С помощью диско-диффузионного метода показано, что приобретение устойчивости к данным антибиотикам сопровождается снижением чувствительности бактерий к ряду других антибактериальных препаратов. В результате определения минимальных подавляющих концентраций катионных пептидов установлено, что чувствительность антибиотикоустойчивых штаммов P.acnes к варнерину и хоминину сохраняется на уровне чувствительности родительского штамма. Антибиотикорезистентные бактерии проявляют более выраженную способность к адгезии и биоплёнкообразованию по сравнению с бактериями родительского штамма, однако формирование биоплёнок может быть эффективно подавлено стафилококкцинами. Анализ кривых интенсивности образования биоплёнок P.acnes от содержания пептидов в среде позволил установить концентрации, вызывающие торможение роста биоплёнок на 50%. Несмотря на то, что полученные значения в 5-12 раз больше, чем значения МПК для планктонной культуры P.acnes, стафилококкцины представляют собой перспективные препараты для борьбы с инфекциями, вызванными пропионовыми бактериями.</p></abstract><trans-abstract xml:lang="en"><p>The article Is devoted to the study of biological properties of antibiotic-resistant bacteria Propionibacterium acnes and their sensitivity to antibacterial cationic peptides varnerin and hominin. P.acnes Ac-1450 strain resistant to rifampicin and tetracycline were obtained by selection. With the help of the Kirby-Bauer disk diffusion test, it is shown that the acquisition of resistance to these antibiotics is accompanied by a decrease in the sensitivity of bacteria to a number of other antibacterial drugs. As a result of the determination of the minimum inhibitory concentrations of cationic peptides, it has been established that the sensitivity of antibiotic-resistant P.acnes strains to varnerin and hominin is maintained at the sensitivity level of the parent strain. Antibiotic-resistant bacteria show a more pronounced ability for adhesion and biofilm formation in comparison with the bacteria of the parent strain, however, the formation of biofilms can be effectively suppressed by staphylococcins. Analysis of the curves of the formation intensity of P.acnes biofilms, depending on the content of peptides in the medium, made it possible to establish concentrations that inhibit the growth of biofilms by 50%. Despite the fact that the values obtained were 5-12 times higher than the MIC values for planktonic culture of P.acnes, staphylococcins are promising drugs for combating infections caused by propionic bacteria.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>антибиотикорезистентность</kwd><kwd>рифампицин</kwd><kwd>тетрациклин</kwd><kwd>биоплёнки</kwd><kwd>адгезия</kwd><kwd>антибактериальные пептиды</kwd><kwd>стафилококкцины</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Propionibacterium acnes</kwd><kwd>Propionibacterium acnes</kwd><kwd>antibiotic resistance</kwd><kwd>rifampicin</kwd><kwd>tetracycline</kwd><kwd>biofilms</kwd><kwd>adhesion</kwd><kwd>antibacterial peptides</kwd><kwd>staphylococcins</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">Laxminarayan R., Duse A., Wattal C. et al. Antibiotic resistance-the need for global solutions. 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