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<article article-type="research-article" dtd-version="1.2" xml:lang="ru" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><front><journal-meta><journal-id journal-id-type="issn">2658-6533</journal-id><journal-title-group><journal-title>Научные результаты биомедицинских исследований</journal-title></journal-title-group><issn pub-type="epub">2658-6533</issn></journal-meta><article-meta><article-id pub-id-type="doi">10.18413/2313-8955-2016-2-3-56-63</article-id><article-id pub-id-type="publisher-id">774</article-id><article-categories><subj-group subj-group-type="heading"><subject>Архив</subject></subj-group></article-categories><title-group><article-title>СИНТЕЗ БАКТЕРИОЦИНОПОДОБНОГО ВЕЩЕСТВА ШТАММОМ &lt;em&gt;LACTOBACILLUS PLANTARUM 42&lt;/em&gt;, ВЫДЕЛЕННЫМ ИЗ КВАШЕНОЙ КАПУСТЫ</article-title><trans-title-group xml:lang="en"><trans-title>SYNTHESIS OF BACTERIOCIN-LIKE SUBSTANCE BY &lt;em&gt;LACTOBACILLUS PLANTARUM 42&lt;/em&gt; STRAIN ISOLATED FROM SOUR CABBAGE</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="ru"><surname>Кутлиева</surname><given-names>Гузал Джуманиязовна</given-names></name><name xml:lang="en"><surname>Kutlieva</surname><given-names>Guzal D.</given-names></name></name-alternatives></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="ru"><surname>Ибрагимова</surname><given-names>Алина</given-names></name><name xml:lang="en"><surname>Ibragimova</surname><given-names>Alina</given-names></name></name-alternatives></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="ru"><surname>Сохибназарова</surname><given-names>Хонсулув</given-names></name><name xml:lang="en"><surname>Sokhibnazarova</surname><given-names>Khonsuluv</given-names></name></name-alternatives></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="ru"><surname>Миралимова</surname><given-names>Шахло Мирджамаловна</given-names></name><name xml:lang="en"><surname>Miralimova</surname><given-names>Shakhlo M.</given-names></name></name-alternatives></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="ru"><surname>Огай</surname><given-names>Дарья Кисеновна</given-names></name><name xml:lang="en"><surname>Ogai</surname><given-names>Darya K.</given-names></name></name-alternatives></contrib></contrib-group><pub-date pub-type="epub"><year>2016</year></pub-date><volume>2</volume><issue>3</issue><fpage>0</fpage><lpage>0</lpage><self-uri content-type="pdf" xlink:href="/media/medicine/2016/3/56-63.pdf" /><abstract xml:lang="ru"><p>Бактериоцины &amp;ndash; рибосомально синтезируемые антибактериальные белковые вещества, выделяемые определенными видами бактерий и активны против как близкородственных видов, так и против представителей других видов. В настоящее время бактериоцины рекомендуются для применения в качестве антимикробных веществ в пищевой промышленности и в медицине. Количество синтезируемого бактериоцина в значительной степени зависит от условий культивирования, таких как рН среды и температура. Бактериоцины могут как выделяться в среду культивирования, так и оставаться прикрепленными к клетке продуцента. Оптимизация условий продукции бактериоцина и увеличения его активности имеет важное экономическое значение для снижения стоимости его получения. Целью данной работы было определение локализации бактериоцина Lactobacillus plantarum 42, активного против Enterococcus faecalis и определение оптимальных условий культивирования, при которых наблюдается его максимальная продукция. Штамм Lactobacillus plantarum 42 синтезирует бактериоцин, активный против Enterococcus faecalis, который выделяется в твердую и жидкую питательную среду, однако в МРС бульоне обнаруживается только при 10-кратной концентрации. Бактериоцин обнаруживается на ранней стационарной фазе роста (18 часов) и продолжает оставаться активным до 76 часов после начала ферментации. Максимальное количество бактериоцина было обнаружено после 48 часов ферментации, при начальном значении рН среды от 5 до 7. Не было отмечено отличий в синтезе при температурах 30оС и 37оС. Данный бактериоцин оказался вторичным метаболитом.</p></abstract><trans-abstract xml:lang="en"><p>Bacteriocins are ribosomally synthesized antibacterial peptides secreted by certain types of bacteria and are active against both closely related species,and members of other species. Currently bacteriocins are recommended for use as antimicrobial agents in the food industry and in medicine. Bacteriocin production significantly depends on several factors, such as culture conditions &amp;ndash; pH, temperature and composition of the growth medium. Bacteriocins can both be released in the culture medium, and remain attached to the producer cell. The optimization of growth conditions for bacteriocin production and the increase of its activity are of great economic importance to reduce its production cost. The aim of this study was to determine the localization of a bacteriocin of Lactobacillus plantarum 42, active against Enterococcus faecalis, and to determine the optimal culture conditions in which its maximum output can be observed. The Lactobacillus plantarum 42 strain synthesizes bacteriocin, which is active against Enterococcus faecalis, which is released into a solid and a liquid nutrient medium, but in MRS Broth it is found only with tenfold concentration. Bacteriocin is detected at early stationary growth phase (18 hours) and remains active until 76 hours after initiation of fermentation. Max quantity of bacteriocin was detected after 48 hours of fermentation with the initial pH value of 6. There was no difference in the cultivation temperatures of 30oC and 37oC. This bacteriocin proved to be a secondary metabolite.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Lactobacillus plantarum 42</kwd><kwd>бактериоцин</kwd><kwd>Enterococcus faecallis</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Lactobacillus plantarum 42</kwd><kwd>bacteriocin</kwd><kwd>Enterococcus faecalis</kwd></kwd-group></article-meta></front><back><ref-list><title>Список литературы</title><ref id="B1"><mixed-citation>&amp;nbsp;МУК 4.2.2602-10. Методы контроля. Биологические и микробиологические факторы. Система предрегистрационного доклинического изучения безопасности препаратов. Отбор, проверка и хранение производственных штаммов, используемых при производстве пробиотиков. Методические указания. 2010 г. 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