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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 pub-id-type="doi">10.37489/0235-2990-2020-65-3-4-7-11</article-id><article-id custom-type="elpub" pub-id-type="custom">antibiotics-715</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>Совместное воздействие бактериофагов и антибиотика на биоплёнку Pseudomonas aeruginosa</article-title><trans-title-group xml:lang="en"><trans-title>The Combined Effect of Bacteriophages and Antibiotics on Pseudomonas aeruginosa Biofilm</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>Горшкова</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorshkova</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Горшкова Анна Сергеевна — кандидат биологических наук, научный сотрудник ла­боратории водной микробиологии </p><p>Иркутск </p></bio><bio xml:lang="en"/><email xlink:type="simple">kovadlo@yandex.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>Дрюккер</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Drwker</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дрюккер Валентин Валерьянович — доктор биологических наук, главный науч­ный сотрудник лаборатории водной микробиологии </p><p>Иркутск </p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сыкилинда</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Sykilinda</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сыкилинда Нина Николаевна — кандидат биологических наук, научный сотруд­ник лаборатории генной инженерии </p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Лимнологический институт СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Limnological Institute, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт биоорганической химии им. акад. М. М. Шемякина и Ю. А. Овчинникова РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>06</day><month>06</month><year>2020</year></pub-date><volume>65</volume><issue>3-4</issue><fpage>7</fpage><lpage>11</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ООО «Издательство ОКИ», 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">ООО «Издательство ОКИ»</copyright-holder><copyright-holder xml:lang="en">ООО «Издательство ОКИ»</copyright-holder><license xlink:href="https://www.antibiotics-chemotherapy.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.antibiotics-chemotherapy.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.antibiotics-chemotherapy.ru/jour/article/view/715">https://www.antibiotics-chemotherapy.ru/jour/article/view/715</self-uri><abstract><p>В настоящее время по-прежнему остро стоит проблема нозокомиальных инфекций. Одним из ключевых возбудите­лей такого рода заболеваний является Pseudomonas aeruginosa. Перспективность использования бактериофагов в профилактике и борьбе с инфекционными заболеваниями сейчас активно изучается. Целью исследования было изу­чение воздействия новых бактериофагов на биоплёнку Pseudomonas aeruginosa при совместном использовании с ан­тибиотиком гентамицином. Клетки лабораторного эталонного штамма P.aeruginosa РАО1 выращивали в 96-луночных планшетах в течение суток, образовавшиеся биоплёнки обрабатывали антибиотиком гентамицином в различных концентрациях, а также бактериофагами AN14 и AN1. Степень деградации биоплёнки оценивали с помощью окраши­вания кристаллическим фиолетовым. Использованные новые литические бактериофаги AN14 (семейство Siphoviridae), AN1 (семейство Myoviridae) продемонстрировали выраженную антибиоплёночную активность в первые сутки воздействия на биоплёнку P.aeruginosa (p&lt;0,001). Эффект разрушительного воздействия гентамицина на био­плёнку возрастал с ростом концентрации антибиотика в диапазоне 2—16 мкг/мл. Добавление литических бактерио­фагов AN14 и AN1 усиливало действие антибиотика (p=0,05). Таким образом, совместное использование литических бактериофагов и антибиотиков приводило к более эффективной эрадикации биоплёнки, чем каждым антибактери­альным агентом отдельно.</p></abstract><trans-abstract xml:lang="en"><p>Currently, the problem of nosocomial infections is of urgent concern. Pseudomonas aeruginosa is one of the key causative agents of this type of disease. The prospect of using bacteriophages in the prevention and control of infectious diseases is now being actively studied. The aim of the work is to study the effect of new bacteriophages on P.aeruginosa biofilm when used together with the antibiotic gentamicin. Cells of the laboratory reference strain P.aeruginosa PAO1 were grown in 96-well plates for a day, the resulting biofilms were treated with gentamicin in various concentrations, as well as bacteriophages AN14 and AN1. The degree of biofilm degradation was evaluated by staining the cells with crystal violet dye. The new lytic bacterio­phages AN14 (Siphoviridae family), AN1 (Myoviridae family) used in the study, showed pronounced antibiofilm activity on the first day of exposure to P.aeruginosa biofilm (p&lt;0.001). The destructive effect of gentamicin on biofilms increased when the concentration of the antibiotic was increased in the range of 2—16 mg/ml. Addition of lytic bacteriophages AN14 and AN1 enhanced the effect of the antibiotic (p=0.05). Thus, the combined use of lytic bacteriophages and antibiotics led to a more effective eradication of biofilms than when used separately.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>бактериофаги</kwd><kwd>Pseudomonas aeruginosa</kwd><kwd>антибиотики</kwd><kwd>биопленки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>bacteriophages</kwd><kwd>Pseudomonas aeruginosa</kwd><kwd>antibiotics</kwd><kwd>biofilms</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена по госбюджетному проекту АААА-А16-116122110061-6</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Лазарева А.В., Чеботарь И.В., Крыжановская О.А., Чеботарь В.И., Маянскый Н.А. Pseudomonas aeruginosa: патогенность, патогенез и патология. 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