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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">vestnik-bio-msu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Московского университета. Серия 16. Биология</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik Moskovskogo universiteta. Seriya 16. Biologiya</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0137-0952</issn><publisher><publisher-name>Lomonosov Moscow State University,  School of Biology</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vestnik-bio-msu-527</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>Микробиология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Microbiology</subject></subj-group></article-categories><title-group><article-title>СЕКРЕЦИЯ ПРОТЕИНАЗ С ФИБРИНОЛИТИЧЕСКОЙ АКТИВНОСТЬЮ МИКРОМИЦЕТАМИ РОДА ASPERGILLUS</article-title><trans-title-group xml:lang="en"><trans-title>SECRETION OF PROTEINASES WITH FIBRINOLYTIC ACTIVITY BY MICROMYCETES OF THE GENUS ASPERGILLUS</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>Осмоловский</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Osmolovskiy</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Осмоловский Александр Андреевич – канд. биол. наук, ст. преп. кафедры микробиологии биологического факультета МГУ имени М.В. Ломоносова.</p><p>Россия, 119234, г. Москва, Ленинские горы, д. 1, стр. 12</p></bio><bio xml:lang="en"><p>Department of Microbiology</p><p>Leninskiye Gory 1–12, 119234, Moscow, Russia</p></bio><email xlink:type="simple">aosmol@mail.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>Звонарева</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Zvonareva</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Звонарева Елена Сергеевна – аспирант кафедры микробиологии биологического факультета МГУ имени М.В. Ломоносова.</p><p>Россия, 119234, г. Москва, Ленинские горы, д. 1, стр. 12</p></bio><bio xml:lang="en"><p>Department of Microbiology</p><p>Leninskiye Gory 1–12, 119234, Moscow, Russia</p></bio><email xlink:type="simple">zvonareva.es@gmail.com</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>Крейер</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kreyer</surname><given-names>V. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Крейер Валериана Георгиевна – канд. биол. наук, науч. сотр. кафедры микробиологии биологического факультета МГУ имени М.В. Ломоносова.</p><p>Россия, 119234, г. Москва, Ленинские горы, д. 1, стр. 12</p></bio><bio xml:lang="en"><p>Department of Microbiology</p><p>Leninskiye Gory 1–12, 119234, Moscow, Russia</p></bio><email xlink:type="simple">vkreyer@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>Баранова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Baranova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баранова Нина Андреевна – канд. биол. наук, ст. науч. сотр. кафедры микробиологии биологического факультета МГУ имени М.В. Ломоносова.</p><p>Россия, 119234, г. Москва, Ленинские горы, д. 1, стр. 12</p></bio><bio xml:lang="en"><p>Department of Microbiology</p><p>Leninskiye Gory 1–12, 119234, Moscow, Russia</p></bio><email xlink:type="simple">vkreyer@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>Егоров</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Egorov</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Егоров Николай Сергеевич – докт. биол. наук, проф. Международного биотехнологического центра МГУ имени М.В. Ломоносова.</p><p>Россия, 119234, г. Москва, Ленинские горы, д. 1, стр. 12</p></bio><bio xml:lang="en"><p>International Biotechnology Center</p><p>Leninskiye Gory 1–12, 119234, Moscow, Russia</p></bio><email xlink:type="simple">nsegorov21@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State 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>23</day><month>01</month><year>2018</year></pub-date><volume>73</volume><issue>1</issue><fpage>47</fpage><lpage>51</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Осмоловский А.А., Звонарева Е.С., Крейер В.Г., Баранова Н.А., Егоров Н.С., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Осмоловский А.А., Звонарева Е.С., Крейер В.Г., Баранова Н.А., Егоров Н.С.</copyright-holder><copyright-holder xml:lang="en">Osmolovskiy A.A., Zvonareva E.S., Kreyer V.G., Baranova N.A., Egorov N.S.</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://vestnik-bio-msu.elpub.ru/jour/article/view/527">https://vestnik-bio-msu.elpub.ru/jour/article/view/527</self-uri><abstract><p>Изучена активность внеклеточных протеиназ у 11 штаммов разных видов аспергиллов. Сравнение значений энзиматических индексов при росте штаммов на агаризованных средах с казеином и фибрином позволило отобрать штамм Aspergillus terreus 2 в качестве перспективного продуцента фибринолитических протеиназ. Выявлено, что протеазы A. terreus 2 проявляют максимальную активность при рН 8,0. Наибольшие значения фибринолитической и общей протеолитической активности, выраженной в ЕТир (количество тирозина в мкмолях, освободившегося за 1 мин при гидролизе фибрина или казеина), составили 34,0 и 358,3, соответственно. Максимальная активность протеиназ была выявлена при росте продуцента на среде, содержащей источники только аминного азота (гидролизат рыбной муки и пептон). Однако количество внеклеточного белка и удельная фибринолитическая и общая протеолитическая активность были больше на среде с источниками как минерального, так и аминного азота (гидролизат рыбной муки и нитрат натрия), нежели на среде, содержащей в качестве источников азота гидролизат рыбной муки и пептон.</p></abstract><trans-abstract xml:lang="en"><p>Proteolytic activity of extracellular enzymes of 11 strains of different Aspergillus species was studied. Comparison of the enzymatic indices of strains grown on agar medium with casein and fibrin allowed us to select the strain A. terreus 2 as a promising producer of fibrinolytic proteases.It was found that A. terreus 2 proteases show maximum activity at pH 8.0. The highest values of fibrinolytic and total proteolytic activities expressed in UTyr (amount of micromoles of tyrosine released from fibrin or casein for 1 min) were 34.0 and 358.3, respectively. Maximums of activity were detected with when growing the producer on a medium containing only amine nitrogen sources (fish flour hydrolysate and peptone), however, the amount of extracellular protein and the specific fibrinolytic and total proteolytic activity were greater in the medium containing both mineral and amine nitrogen sources (fish flour hydrolysate and sodium nitrate), rather than on a medium containing fish flour hydrolysate and peptone as nitrogen sources.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>протеиназы микромицетов</kwd><kwd>аспергиллы</kwd><kwd>фибринолитические ферменты</kwd><kwd>тромболитические средства</kwd><kwd>плазминоподобная активность</kwd><kwd>источники азота</kwd></kwd-group><kwd-group xml:lang="en"><kwd>proteinases of micromycetes</kwd><kwd>Aspergillus</kwd><kwd>fibrinolytic enzymes</kwd><kwd>thrombolytic agents</kwd><kwd>plasmin-like activity</kwd><kwd>nitrogen sources</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">Kotb E. 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