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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">10.29235/1029-8940-2025-70-4-331-340</article-id><article-id custom-type="elpub" pub-id-type="custom">vestib-990</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>Каротиногенез в клетках Dunaliella salina штамма IBCE D-1 при культивировании на модифицированных средах в условиях разной освещенности</article-title><trans-title-group xml:lang="en"><trans-title>Carotenogenesis in Dunaliella salina  cells IBCE D-1 strain during cultivation on modified media under conditions of different illumination</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>Самович</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Samovich</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Самович Татьяна Викторовна – канд. биол. наук, вед. науч. сотрудник.</p><p>ул. Академическая, 27, 220072, Минск</p></bio><bio xml:lang="en"><p>Tatsiana V. Samovich – Ph. D. (Biol.), Leading Researcher, V.F. Kuprevich Institute of Experimental Botany of the National Academy of Sciences of Belarus.</p><p>27, Akademicheskaya Str., 220072, Minsk</p></bio><email xlink:type="simple">samovich77@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>Чепелева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chepeleva</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чепелева Елизавета Владимировна – студент.</p><p>пр. Независимости, 4, 220030, Минск</p></bio><bio xml:lang="en"><p>Elizaveta V. Chepeleva – Student, Belarusian State University.</p><p>4, Nezavisimosti Ave., 220030, Minsk</p></bio><email xlink:type="simple">liza.lizaveta1979@gmail.com</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>Козел</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozel</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Козел Николай Владимирович – канд. биол. наук, доцент, вед. науч. сотрудник, ООО «Биотехнологический научный центр», индустриальный парк «Великий камень»; гл. технолог, КФХ «Серебряный ручей»</p><p>пр-т Пекинский, 18, 222210, Смолевичский р-н, Минская обл.; 222202, д. Сосновая, Озерицко-Слободской с/с, Смолевичский р-н, Минская обл.</p></bio><bio xml:lang="en"><p>Nikolai V. Kozel – Ph. D. (Biol.), Аssociate Рrofessor, Leading Research, LLC “Biotechnological scientific center”, Industrial Park “Great Stone”; Chief technologist, Peasant (farm) economy “Serebryanyj ruchej”.</p><p>18, Pekinskii Ave., 222210, Smaliavichy District, Minsk Region; Sasnovaja Village, 222202, Aziarycka-Slabadski village council, Smaliavichy District, Minsk Region</p></bio><email xlink:type="simple">kozel.mikalai@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт экспериментальной ботаники имени В.Ф. Купревича Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>V.F. Kuprevich Institute of Experimental Botany of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусский государственный университет</institution></aff><aff xml:lang="en"><institution>Belarusian State University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ООО «Биотехнологический научный центр», индустриальный парк «Великий камень»; Крестьянское (фермерское) хозяйство «Серебряный ручей»</institution></aff><aff xml:lang="en"><institution>LLC “Biotechnological scientific center”, Industrial Park “Great Stone”; Peasant (farm) economy “Serebryanyj ruchej”</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>07</day><month>11</month><year>2025</year></pub-date><volume>70</volume><issue>4</issue><fpage>331</fpage><lpage>340</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Самович Т.В., Чепелева Е.В., Козел Н.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Самович Т.В., Чепелева Е.В., Козел Н.В.</copyright-holder><copyright-holder xml:lang="en">Samovich T.V., Chepeleva E.V., Kozel N.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://vestibio.belnauka.by/jour/article/view/990">https://vestibio.belnauka.by/jour/article/view/990</self-uri><abstract><p>Сочетанное действие дефицита биогенных элементов в среде культивирования Dunaliella salina штамма IBCE D-1 и света высокой интенсивности более эффективно по сравнению с действием только дефицита биогенов для индукции накопления каротиноидов в клетках водоросли. При этом дефицит азота в среде приводит к большей продукции клетками β-каротина, нежели дефицит калия и фосфора. Установлено преимущественное подавление активности фотосистемы 2 (ФС2) в клетках D. salina, культивируемых на среде, дефицитной по азоту, по сравнению с контролем и вариантом с дефицитом калия и фосфора, что может быть ключевым фактором запуска повышенного синтеза в клетках водоросли β-каротина как антиоксиданта, предотвращающего избыточное накопление в хлоропластах активных форм кислорода, в частности синглетного молекулярного кислорода, генерация которого увеличивается при повреждении компонентов или нарушении функционирования комплексов ФС2.</p></abstract><trans-abstract xml:lang="en"><p>The combined effect of nutrient deficiency in the cultivation medium of Dunaliella salina IBCE D-1 strain and high-intensity light is more effective than the effect of nutrient deficiency alone in inducing the accumulation of carotenoids in algae cells. At the same time, nitrogen deficiency in the nutrient medium leads to greater production of β-carotene by cells than potassium and phosphorus deficiency. A predominant suppression of photosystem 2 (PS2) activity was observed in D. salina cells cultured on a nitrogen-deficient medium was established in comparison with to the control and variant with potassium and phosphorus deficiency. This may be a key factor in triggering increased synthesis of β-carotene in algae cells, as an antioxidant that prevents excessive accumulation of reactive oxygen species in chloroplasts, in particular, singlet molecular oxygen, the generation of which increases when components are damaged or the functioning of PS2 complexes is disrupted.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Dunaliella salina</kwd><kwd>дефицит биогенных элементов</kwd><kwd>свет высокой интенсивности</kwd><kwd>каротиногенез</kwd><kwd>β-каротин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Dunaliella salina</kwd><kwd>deficiency of nutrients</kwd><kwd>high light intensity</kwd><kwd>carotenogenesis</kwd><kwd>β-carotene</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">Raja, R. Exploitation of Dunaliella for β-carotene production / R. Raja, S. Hemaiswarya, R. 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