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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">vestib</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной  академии наук Беларуси. Серия биологических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Biological Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1029-8940</issn><issn pub-type="epub">2524-230X</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1029-8940-2019-64-4-467-471</article-id><article-id custom-type="elpub" pub-id-type="custom">vestib-559</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Хроматографическая очистка ферментного препарата из культуральной жидкости Pleurotus ostreatus</article-title><trans-title-group xml:lang="en"><trans-title>Chromatographic purification of the enzyme preparation from the cultural liquid of Pleurotus ostreatus</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>Сакович</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sakovich</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сакович Валерия Васильевна – магистр биологических наук</p><p>ул. Днепровской флотилии, 23, 225710, г. Пинск</p></bio><bio xml:lang="en"><p>Valeryia V. Sakovich – Master of biological sciences</p><p>23, Dneprovskaya Flotiliya Str., 225710, Pinsk</p></bio><email xlink:type="simple">mrs.valeryia@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>Груша</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Hrusha</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Груша Александр Михайлович – студент</p><p>ул. Днепровской флотилии, 23, 225710, г. Пинск</p></bio><bio xml:lang="en"><p>Aliaksandr M. Hrusha – Student</p><p>23, Dneprovskaya Flotiliya Str., 225710, Pinsk</p></bio><email xlink:type="simple">grusha.alex.98@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>Ревенько</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Revenko</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ревенько Вадим Вячеславович – студент</p><p>ул. Днепровской флотилии, 23, 225710, г. Пинск</p></bio><bio xml:lang="en"><p>Vadim V. Revenko – Student</p><p>23, Dneprovskaya Flotiliya Str., 225710, Pinsk</p></bio><email xlink:type="simple">mrs.valeryia@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>Жерносеков</surname><given-names>Д. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhernossekov</surname><given-names>D. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жерносеков Дмитрий Данилович – кандидат биологических наук, доцент</p><p>ул. Днепровской флотилии, 23, 225710, г. Пинск</p></bio><bio xml:lang="en"><p>Dmitri D. Zhernossekov – D. Sc. (Biol.), Assistant Professor</p><p>23, Dneprovskaya Flotiliya Str., 225710, Pinsk</p></bio><email xlink:type="simple">chemikdd@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Полесский государственный университет</institution></aff><aff xml:lang="en"><institution>Polessky State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>07</day><month>11</month><year>2019</year></pub-date><volume>64</volume><issue>4</issue><fpage>467</fpage><lpage>471</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сакович В.В., Груша А.М., Ревенько В.В., Жерносеков Д.Д., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Сакович В.В., Груша А.М., Ревенько В.В., Жерносеков Д.Д.</copyright-holder><copyright-holder xml:lang="en">Sakovich V.V., Hrusha A.M., Revenko V.V., Zhernossekov D.D.</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://vestibio.belnauka.by/jour/article/view/559">https://vestibio.belnauka.by/jour/article/view/559</self-uri><abstract><p>Проведена первичная очистка ферментного препарата, обладающего протеолитической активностью, из культуральной жидкости Pleurotus ostreatus. Использованы методы осаждения, диализа, ионообменной хроматографии на DEAEи KM-сефарозе. Установлено, что в результате хроматографии на KM-сефарозе ферментный препарат из культуральной жидкости разделяется на три фракции, одна из которых обладает молокосвертывающей активностью (МСА). Хроматография на DEAE-сефарозе позволила значительно очистить фермент, обладающий МСА.</p></abstract><trans-abstract xml:lang="en"><p>The primary purification of the proteolytic enzyme preparation from the Pleurotus ostreatus culture fluid was carried out. Methods of salting out, dialysis, ion-exchange chromatography on DEAEand KM-sepharose were used. It was shown that during the chromatography on KM-sepharose, the enzyme preparation from the culture liquid was divided into three fractions, one of which possessed milk-clotting activity (МСА). Chromatography on DEAE-sepharose allowed us to reach the significant purity of the enzyme with МСА.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>базидиомицеты</kwd><kwd>протеолитические ферменты</kwd><kwd>молокосвертывающая активность</kwd><kwd>бэтч-метод</kwd><kwd>ионообменники</kwd></kwd-group><kwd-group xml:lang="en"><kwd>basidiomycetes</kwd><kwd>proteolytic enzymes</kwd><kwd>milk-clotting activity</kwd><kwd>batch method</kwd><kwd>ion exchanger</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">Дьяконова, Г. В. Исследование некоторых физико-химических свойств молокосвертывающих ферментов вешенки обыкновенной : автореф. дис. … канд. биол. наук : 03.01.04 / Г. В. Дьяконова ; Юж. федер. ун-т. – Ростов н/Д, 2010. – 23 с.</mixed-citation><mixed-citation xml:lang="en">Diakonova G. V. 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