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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">catal</journal-id><journal-title-group><journal-title xml:lang="ru">Катализ в промышленности</journal-title><trans-title-group xml:lang="en"><trans-title>Kataliz v promyshlennosti</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1816-0387</issn><issn pub-type="epub">2413-6476</issn><publisher><publisher-name>LLC "KALVIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18412/1816-0387-2016-5-83-88</article-id><article-id custom-type="elpub" pub-id-type="custom">catal-370</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>БИОКАТАЛИЗ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOCATALYSIS</subject></subj-group></article-categories><title-group><article-title>Повышение эффективности биоконверсии растительного сырья под действием внеклеточного белка рекомбинантных штаммов Penicillium canescens</article-title><trans-title-group xml:lang="en"><trans-title>Improvement of the Efficiency of Bioconversion of Plant Materials under the Action of Mutant Strains of Cellulases Penicillium verruculosum</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>Доценко</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Dotsenko</surname><given-names>A. S.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.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>Рожкова</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Rozhkova</surname><given-names>A. M.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.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>Гусаков</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gusakov</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.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>Синицын</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Sinitsyn</surname><given-names>A. P.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФИЦ Биотехнологии РАН, г. Москва; Московский государственный университет имени М.В. Ломоносова (МГУ)</institution></aff><aff xml:lang="en"><institution>FRC Biotechnologies, Moscow; Moscow State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФИЦ Биотехнологии РАН, г. Москва</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FRC Biotechnologies, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>10</day><month>10</month><year>2016</year></pub-date><volume>16</volume><issue>5</issue><fpage>83</fpage><lpage>88</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; LLC "KALVIS", 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">LLC "KALVIS"</copyright-holder><copyright-holder xml:lang="en">LLC "KALVIS"</copyright-holder><license xlink:href="https://www.catalysis-kalvis.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.catalysis-kalvis.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.catalysis-kalvis.ru/jour/article/view/370">https://www.catalysis-kalvis.ru/jour/article/view/370</self-uri><abstract><p>Растительная биомасса является основным видом органической материи на Земле. Эффективность биокаталитической конверсии растительного сырья определяет стоимость его биотехнологической переработки в коммерчески значимые продукты (органические спирты и кислоты, углеводы и углеводороды). Нами получены новые рекомбинантные штаммы Penicillium canescens, продуцирующие кроме собственного ферментного комплекса гетерологичные целлюлазы (мутантные и немутантные целлобиогидролазу I (ЦБГI) и эндоглюканазу II (ЭГII) P. verruculosum). Ферментные смеси (ФС), полученные на основе рекомбинантных штаммов P. canescens, оказались более активными при гидролизе измельченной древесины осины. Выход глюкозы и восстанавливающих сахаров через 24–72 ч гидролиза под действием ФС, полученных на основе рекомбинантных штаммов, оказался соответственно на 48–52 и 60–64 % выше по сравнению с ФС, полученной на основе исходного штамма-реципиента. Таким образом, введение сайт-специфических мутаций N45A и N194A, направленных на частичное снятие поверхностного гликозилирования, привело к существенному росту целевой ЦБГI и ЭГII соответственно.</p></abstract><trans-abstract xml:lang="en"><p>Plant biomasses are the predominant organic material on Earth. The efficiency of biocatalytic conversion of the plant materials is determined by the cost of their biotechnological processing to valuable commercial products (organic alcohols and acids, carbohydrates and hycrocarbons). The obtained recombinant strains Penicillium canescens produce, apart from their own enzymatic complex, heterological cellulases (mutant and non-mutant cellobiohydrolase I (CBHI) and endoglucanase II (EGII) P. verruculosum). Enzymatic agents (EA) prepared from recombinant strains P. canescens were more active to hydrolysis of crushed aspen wood. The yields of glucose and reducing sugars after 24–72 hour hydrolysis under the action of EA prepared from the recombinant strains were higher by на 48–52 % and 60–64 %, respectively, than under the action of EA prepared from the initial strainrecipient. Thus, introduction of site-specific mutations N45A and N194A for partial inhibition of the surface glycosilation led to a considerable increase in the yields of target CBHI and EGII.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>биоконверсия</kwd><kwd>растительное сырье</kwd><kwd>ферментные смеси</kwd><kwd>целлюлазы</kwd><kwd>рекомбинантные штаммы</kwd><kwd>Penicillium</kwd></kwd-group><kwd-group xml:lang="en"><kwd>bioconversion</kwd><kwd>plant resources</kwd><kwd>enzymatic agents</kwd><kwd>cellulases</kwd><kwd>recombinant strains</kwd><kwd>Penicillium</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">Bungay H.R. // Energy: the biomass options. Wiley and Sons, New York. 1981.</mixed-citation><mixed-citation xml:lang="en">Bungay H.R. // Energy: the biomass options. 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