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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">dan-475</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>БИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOLOGY</subject></subj-group></article-categories><title-group><article-title>ДЕЙСТВИЕ β-1,3-ГЛЮКАНА НА СТРУКТУРНО-ФУНКЦИОНАЛЬНОЕ СОСТОЯНИЕ ФОТОСИНТЕТИЧЕСКИХ МЕМБРАН ТОМАТА ПРИ ФУЗАРИОЗНОМ УВЯДАНИИ</article-title><trans-title-group xml:lang="en"><trans-title>EFFECT OF β-1,3-GLUCANE ON THE STRUCTURAL AND FUNCTIONAL STATE OF PHOTOSYNTHETIC MEMBRANES OF TOMATO UNDER FUSARIUM WILT</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>Кабашникова</surname><given-names>Л. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Kabashnikova</surname><given-names>Liudmila F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>член-корреспондент, д-р биол. наук, доцент, заведующий лабораторией</p><p>ул. Академическая, 27, 220072</p></bio><bio xml:lang="en"><p>Corresponding Member, D. Sc. (Biology), Associated professor, Head of the Laboratory</p><p>27, Akademicheskaya Str., 220072</p></bio><email xlink:type="simple">kabashnikova@ibp.org.by</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>Абрамчик</surname><given-names>Л. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Abramchik</surname><given-names>Larisa M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. биол. наук, ст. науч. сотрудник</p><p>ул. Академическая, 27, 220072</p></bio><bio xml:lang="en"><p>Ph. D. (Biology), Senior researcher</p><p>27, Akademicheskaya Str., 220072</p></bio><email xlink:type="simple">lmabramchik@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт биофизики и клеточной инженерии Национальной академии наук Беларуси, Минск</institution></aff><aff xml:lang="en"><institution>Institute of Biophysics and Cell Engineering of the National Academy of Sciences of Belarus, Minsk</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>21</day><month>01</month><year>2018</year></pub-date><volume>61</volume><issue>6</issue><fpage>66</fpage><lpage>72</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кабашникова Л.Ф., Абрамчик Л.М., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Кабашникова Л.Ф., Абрамчик Л.М.</copyright-holder><copyright-holder xml:lang="en">Kabashnikova L.F., Abramchik L.M.</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://doklady.belnauka.by/jour/article/view/475">https://doklady.belnauka.by/jour/article/view/475</self-uri><abstract><p>Инфицирование растений томата Fusarium oxysporum вызывает активизацию процессов перекисного окисления липидов (ПОЛ) и существенные изменения структурно-функционального состояния фотосинтетических мембран, что выражается в снижении содержания Хл а, отношения Хл а / Хл b, нарушениях процессов поглощения и утилизации световой энергии в фотосистеме II фотосинтеза. Предобработка растений β-1,3-глюканом способствует стабилизации ПОЛ и нормализует протекание фотохимических процессов в хлоропластах инфицированных листьев, что свидетельствует о защитной активности препарата. </p></abstract><trans-abstract xml:lang="en"><p>Infection of tomato plants with Fusarium oxysporum causes activation of lipid peroxidation processes (LPO) and significant changes in the structural and functional state of photosynthetic membranes, which is reflected in a decrease in Chl a, Chl a / Chl b ratio, disturbances in the absorption and utilization of light energy in PS II of photosynthesis. Pretreatment of plants with β-1,3-glucan contributes to the LPO stabilization and normalizes the course of photochemical processes in chloroplasts of infected leaves, which indicates the protective activity of the drug. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>хлорофилл</kwd><kwd>фотосистема II</kwd><kwd>флуоресценция</kwd><kwd>перекисное окисление липидов</kwd><kwd>Fusarium oxysporum</kwd><kwd>Lycopersicon esculentum</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chlorophyll</kwd><kwd>photosystem II</kwd><kwd>fluorescence</kwd><kwd>lipid peroxydation</kwd><kwd>Fusarium oxysporum</kwd><kwd>Lycopersicon esculentum</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">Кабашникова, Л. Ф. Фотосинтетический аппарат и стресс у растений / Л. Ф. Кабашникова. – Минск: Беларус. навука, 2014. – 267 с.</mixed-citation><mixed-citation xml:lang="en">Kabashnikova L. F. 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