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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">10.18412/1816-0387-2017-2-166-170</article-id><article-id custom-type="elpub" pub-id-type="custom">catal-452</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>Высококонцентрированные популяции клеток Aureobasidium pullulans в биокаталитических процессах получения пуллулана</article-title><trans-title-group xml:lang="en"><trans-title>The Biocatalytic Process of Pullulan Production by Auerobasidium pullulans Cells Being in a Form of High Density Populations</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>Сенько</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Senko</surname><given-names>O. 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>Ефременко</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Efremenko</surname><given-names>E. N.</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>Московский государственный университет имени М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Faculty of Chemistry Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>20</day><month>09</month><year>2017</year></pub-date><volume>17</volume><issue>2</issue><fpage>166</fpage><lpage>170</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; LLC "KALVIS", 2017</copyright-statement><copyright-year>2017</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/452">https://www.catalysis-kalvis.ru/jour/article/view/452</self-uri><abstract><p>В статье представлены результаты исследований и сравнительного анализа высококонцентрированных популяций клеток Aureobasidium pullulans Y-4137 в свободном и иммобилизованном виде в биокаталитических процессах получения пуллулана в глюкозосодержащих средах. Продемонстрирована возможность эффективного использования разработанного биокатализатора в виде иммобилизованных клеток и определены характеристики процесса получения пуллулана под действием этого биокатализатора из гидролизатов различных источников возобновляемого сырья (клубней топинамбура, древесины осины, биомассы микроводорослей Chlorella vulgaris, картофельной мезги). Установлено, что клетки A. pullulans, включенные в криогель поливинилового спирта (ПВС), потребляют глюкозу в 1,5 раза быстрее и накапливают в среде целевой полисахарид в концентрации, которая в 1,7 раза выше, чем характерная для свободных клеток. При этом иммобилизованные клетки способны функционировать в течение как минимум 15 рабочих циклов с минимальным (не более 10 %) снижением метаболической активности. Анализ полученных данных подтверждает, что иммобилизация клеток в криогель ПВС для получения пуллулана позволяет сократить более чем в 1,4 раза длительность рабочих циклов в аналогичных процессах при достижении соизмеримого выхода конечного продукта.</p></abstract><trans-abstract xml:lang="en"><p>The results of investigation and comparative analysis of biocatalytic process of pullulan production by a high cell density populations of Auerobasidium pullulans cells taken in suspended and immobilized into poly(vinyl alcohol) cryogel forms are performed in the work. The possible effective using of the immobilized biocatalyst was demonstrated and the characteristics of the process of pullulan production from different hydrolisates of renewable raw materials such as tubers of Jerusalem artichoke, aspen, Chlorella vulgaris biomass, potato pulp were determined. It was revealed that A. pullulans cells entrapped into poly(vinyl alcohol) cryogel can 1.5-times faster convert glucose to pullulan and accumulate the polysaccharide in cultural broth in 1.7-times higher concentration as compared to suspended cells. Immobilized cells appeared to retain a high functional metabolic action during at least 15 working cycles with minimum (not more than 10 %) loss of activity. The analysis of experimental data confirmed that use of cells immobilized into poly(vinyl alcohol) cryogel enables decrease in 1.5–3 times the duration of the working cycle in the same process while achieving comparable level of product yield.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пуллулан</kwd><kwd>иммобилизованные клетки</kwd><kwd>биокатализатор</kwd><kwd>Aureobasidium pullulans</kwd><kwd>криогель поливинилового спирта</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pullulan</kwd><kwd>immobilized cells</kwd><kwd>biocatalysts</kwd><kwd>Aureobasidium pullulans</kwd><kwd>poly(vinyl alcohol) cryogel</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">Darder M., Aranda P., Ruiz-Hitzky E. // Adv. Mater. 2007. T. 19. № 10. Р. 1309—1319.</mixed-citation><mixed-citation xml:lang="en">Darder M., Aranda P., Ruiz-Hitzky E. // Adv. Mater. 2007. T. 19. № 10. 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