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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 pub-id-type="doi">10.29235/1561-8323-2024-68-1-46-54</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-1174</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>Молекулярные механизмы регуляции биосинтеза антоцианов, фотосинтез и морозоустойчивость проростков озимой пшеницы, обработанных 5-аминолевулиновой кислотой</article-title><trans-title-group xml:lang="en"><trans-title>Molecular mechanisms of regulation of anthocyanine biosynthesis, photosynthesis, and frost resistance of winter wheat seedlings treated with the 5-aminolevulic acid</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>Аверина</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Averina</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аверина Наталья Георгиевна – д-р биол. наук, гл. науч. сотрудник, профессор.</p><p>Ул. Академическая, 27, 220072, Минск</p></bio><bio xml:lang="en"><p>Averina Natalya G. – D. Sc. (Biology), Chief Researcher, Professor.</p><p>27, Akademicheskaya Str., 220072</p></bio><email xlink:type="simple">averina@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>Савина</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Savina</surname><given-names>S. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Савина Светлана Михайловна – канд. биол. наук, ст. науч. сотрудник.</p><p>Ул. Академическая, 27, 220072, Минск</p></bio><bio xml:lang="en"><p>Savina Svetlana M. – Ph. D. (Biology), Senior Researcher.</p><p>27, Akademicheskaya Str., 220072</p></bio><email xlink:type="simple">svetlanapavluchkova@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>Емельянова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yemelyanava</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Емельянова Анна Викторовна – канд. биол. наук, ст. науч. сотрудник.</p><p>Ул. Академическая, 27, 220072, Минск</p></bio><bio xml:lang="en"><p>Emelyanova Anna V. – Ph. D. (Biology), Senior Researcher.</p><p>27, Akademicheskaya Str., 220072</p></bio><email xlink:type="simple">yashchuk.anna@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>Дремук</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Dremuk</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дремук Ирина Александровна – канд. биол. наук, ст. науч. сотрудник.</p><p>Ул. Академическая, 27, 220072, Минск</p></bio><bio xml:lang="en"><p>Dremuk Irina A. – Ph. D. (Biology), Senior Researcher.</p><p>27, Akademicheskaya Str., 220072</p></bio><email xlink:type="simple">irinadremuk@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>Прищепчик</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Prischepchik</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Прищепчик Юлия Владимировна – мл. науч. сотрудник.</p><p>Ул. Академическая, 27, 220072, Минск</p></bio><bio xml:lang="en"><p>Prishchepchik Yulia V. – Junior Researcher.</p><p>27, Akademicheskaya Str., 220072</p></bio><email xlink:type="simple">yuliya_prishchepchik@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</institution></aff><aff xml:lang="en"><institution>Institute of Biophysics and Cell Engineering of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>04</day><month>03</month><year>2024</year></pub-date><volume>68</volume><issue>1</issue><fpage>46</fpage><lpage>54</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Аверина Н.Г., Савина С.М., Емельянова А.В., Дремук И.А., Прищепчик Ю.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Аверина Н.Г., Савина С.М., Емельянова А.В., Дремук И.А., Прищепчик Ю.В.</copyright-holder><copyright-holder xml:lang="en">Averina N.G., Savina S.M., Yemelyanava A.V., Dremuk I.A., Prischepchik Y.V.</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/1174">https://doklady.belnauka.by/jour/article/view/1174</self-uri><abstract><p>Установлено, что в обогащенных антоцианами колеоптилях озимой пшеницы сорта ЭтW5 экзогенная 5-аминолевулиновая кислота (АЛК) в 1,5 раза увеличила содержание антоцианов и повысила уровень экспрессии структурных (PAL, CHS) и регуляторного (PAP-1) генов пути биосинтеза антоцианов. В колеоптилях растений сорта Влади, содержащих в 33 раза меньшее количество антоцианов по сравнению с сортом ЭтW5, экспрессия CHS и PAP-1 была снижена и дополнительно заингибирована с помощью АЛК. Таким образом, генетическая активность фенилпропаноидного и флавоноидного участков пути биосинтеза антоцианов показывает отчетливую сортоспецифичность и зависимость от уровня антоцианов. АЛК значительно снизила тепловую диссипацию энергии возбуждения в комплексах ФСII у обогащенного антоцианами сорта ЭтW5 и существенно повысила уровень этих процессов у сорта Влади. Отмечена сортоспецифичность в уровнях морозостойкости двух сортов – высокий (88 % выживших растений, подвергшихся действию температуры –8 °С в течение 5 ч) у сорта ЭтW5 и более низкий (80 %) у сорта Влади. АЛК повысила морозоустойчивость обоих сортов за счет увеличения содержания антоцианов и пролина в колеоптилях сорта ЭтW5 и большего содержания пролина у сорта Влади.</p></abstract><trans-abstract xml:lang="en"><p>It was found that in anthocyanin-enriched coleoptiles of winter wheat EtW5 variety, the exogenous 5-aminolevulinic acid (ALA) increased the content of anthocyanins by a factor of 1.5 and the expression level of structural (PAL, CHS) and regulatory (PAP-1) genes of the anthocyanin biosynthesis pathway. In coleoptiles of Vladi plants containing 33 times less anthocyanins compared to EtW5, the expression of CHS and PAP-1 was reduced and additionally inhibited by ALA. Thus, the genetic activity of the phenylpropanoid and flavonoid sites of the anthocyanin biosynthesis pathway shows distinct variety specificity and a dependence on the level of anthocyanins. ALA significantly reduced the thermal dissipation of excitation energy in PSII complexes in the EtW5 variety enriched with anthocyanins and significantly increased the level of these processes in the Vladi variety. Variety-specificity was noted in the levels of frost resistance of two varieties – high (88 % of surviving plants exposed to a temperature of –8 °С for 5 hours) in the EtW5 variety and lower (80 %) in the Vladi variety. ALA increased the frost resistance of both varieties due to an increase in the content of anthocyanins and proline in the coleoptiles of the EtW5 variety and a higher proline content in the Vladi variety.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Triticum aestivum L.</kwd><kwd>колеоптили</kwd><kwd>антоцианы</kwd><kwd>пролин</kwd><kwd>5-аминолевулиновая кислота (АЛК)</kwd><kwd>АЛК-дегидратаза</kwd><kwd>порфобилиногеназа</kwd><kwd>гены PAL</kwd><kwd>CHS</kwd><kwd>PAP-1</kwd><kwd>показатели фотосинтеза</kwd><kwd>морозоустойчивость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Triticum aestivum L.</kwd><kwd>coleoptiles</kwd><kwd>anthocyanins</kwd><kwd>proline</kwd><kwd>5-aminolevulinic acid (ALA)</kwd><kwd>ALA-dehydratase</kwd><kwd>porphobilinogenase</kwd><kwd>genes PAL</kwd><kwd>CHS</kwd><kwd>PAP-1</kwd><kwd>photosynthesis parameters</kwd><kwd>frost resistance</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке БРФФИ (договор № Б20ГРМГ-001). Авторы также выражают благодарность канд. биол. наук, доценту С. И. Гордею – руководителю отдела озимых зерновых культур в РУП «Научно-практический центр НАН Беларуси по земледелию» за предоставление семян сортов озимой пшеницы</funding-statement><funding-statement xml:lang="en">The work was supported by the BRFFR (contract no. Б20ГРМГ-001). The authors also express their sincere gratitude to Ph. D. (Biology), Associate Professor S. I. Gordey – Head of the Department of winter grain crops in RUE “Scientific and Practical Center of the National Academy of Sciences of Belarus for Agriculture” for providing seeds of winter wheat varieties</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Peer, W. A. Flavonoids as Signal Molecules: Targets of Flavonoid Action / W. A. Peer, A. S. 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