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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">10.29235/1029-8940-2022-67-1-66-74</article-id><article-id custom-type="elpub" pub-id-type="custom">vestib-789</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 Haematococcus pluvialis при совместном действии избытка NаCl в среде культивирования и света высокой интенсивности</article-title><trans-title-group xml:lang="en"><trans-title>Carotenogenesis in Haematococcus pluvialis cells under the combined action of excess of NaCl in the culture medium and high light intensity</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 - кандидат биологических наук, старший научный сотрудник.</p><p>ул. Академическая, 27, 220072, Минск.</p></bio><bio xml:lang="en"><p>Tatsiana V. Samovich - Ph. D. (Biol.), Senior Researcher, Institute of Biophysics and Cell Engineering 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>Вязов</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Viazau</surname><given-names>Ya. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вязов Евгений Викторович - кандидат биологических наук, старший научный сотрудник.</p><p>ул. Академическая, 27, 220072, Минск.</p></bio><bio xml:lang="en"><p>Yauhen V. Viazau - Ph. D. (Biol.), Senior Researcher, Institute of Biophysics and Cell Engineering of the National Academy of Sciences of Belarus.</p><p>27, Akademicheskaya Str., 220072, Minsk.</p></bio><email xlink:type="simple">yauhen.viazau@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>Гончарик</surname><given-names>Р. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Goncharik</surname><given-names>R. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гончарик Руслан Геннадьевич - научный сотрудник.</p><p>ул. Академическая, 27, 220072, Минск.</p></bio><bio xml:lang="en"><p>Ruslan G. Goncharik – Researcher, Institute of Biophysics and Cell Engineering of the National Academy of Sciences of Belarus.</p><p>27, Akademicheskaya Str., 220072, Minsk.</p></bio><email xlink:type="simple">rusgon@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>Печёнкина</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Pechenkina</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Печёнкина Елизавета Ивановна - младший научный сотрудник.</p><p>ул. Академическая, 27, 220072, Минск.</p></bio><bio xml:lang="en"><p>Elizaveta I. Pechenkina - Junior Researcher, Institute of Biophysics and Cell Engineering of the National Academy of Sciences of Belarus.</p><p>27, Akademicheskaya Str., 220072, Minsk.</p></bio><email xlink:type="simple">eliza9214504@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>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 - кандидат биологических наук, заведующий лабораторией.</p><p>ул. Академическая, 27, 220072, Минск.</p></bio><bio xml:lang="en"><p>Nikolai V. Kozel - Ph. D. (Biol.), Head of the Laboratory, Institute of Biophysics and Cell Engineering of the National Academy of Sciences of Belarus.</p><p>27, Akademicheskaya Str., 220072, Minsk.</p></bio><email xlink:type="simple">kozel.mikalai@gmail.com</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 НАН 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>2022</year></pub-date><pub-date pub-type="epub"><day>02</day><month>02</month><year>2022</year></pub-date><volume>67</volume><issue>1</issue><fpage>66</fpage><lpage>74</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Самович Т.В., Вязов Е.В., Гончарик Р.Г., Печёнкина Е.И., Козел Н.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Самович Т.В., Вязов Е.В., Гончарик Р.Г., Печёнкина Е.И., Козел Н.В.</copyright-holder><copyright-holder xml:lang="en">Samovich T.V., Viazau Y.V., Goncharik R.G., Pechenkina E.I., 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/789">https://vestibio.belnauka.by/jour/article/view/789</self-uri><abstract><p>Исследованы параметры роста и развития микроводоросли Haematococcus pluvialis, а также процесс каротиногенеза, включая пигментный состав и экспрессию ключевых генов биосинтеза астаксантина, в клетках водоросли в условиях совместного действия света высокой интенсивности и избытка NaCl в среде культивирования. Установлено, что сочетание избытка NaCl в среде культивирования Haematococcus pluvialis, инициированного на стадии покоя микроводоросли, и действия света высокой интенсивности не является эффективным способом индукции накопления астаксантина в клетках Haematococcus pluvialis. Выявлено снижение уровня экспрессии одного из ключевых генов каротиногенеза, кодирующего фитоинсинтазу, в таких условиях. В то же время установлено, что совместное действие света высокой интенсивности и избытка NaCl приводит к повышению доли более ценных с точки зрения биотехнологии цисизомеров астаксантина в общем пуле пигмента.</p></abstract><trans-abstract xml:lang="en"><p>The parameters of growth and development of the microalga Haematococcus pluvialis, as well as the process of carotenogenesis, including the pigment composition and expression of the key genes of astaxanthin biosynthesis, were studied in algal cells under the combined action of excess of NaCl in the culture medium and high light intensity. It was found that the combination of excess of NaCl in the culture medium for Haematococcus pluvialis, initiated at the resting stage of the microalga, and high light intensity is not an effective method for induction of the accumulation of astaxanthin in the cells of Haematococcus pluvialis. A decrease in the level of expression of one of the key genes of carotenogenesis - phytoene synthase gene, was revealed under such conditions. At the same time, it was found that the combined action of high light intensity and excess of NaCl led to an increase in the ratio of astaxanthin cis-isomers, which are more biotechnologically valuable, in the total pigment pool.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Haematococcus pluvialis</kwd><kwd>солевой стресс</kwd><kwd>свет высокой интенсивности</kwd><kwd>каротиногенез</kwd><kwd>астаксантин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Haematococcus pluvialis</kwd><kwd>salt stress</kwd><kwd>high light intensity</kwd><kwd>carotenogenesis</kwd><kwd>astaxanthin</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа финансирована в рамках Государственной программы научных исследований «Биотехнологии» (задание 1.42, 2019-2020 гг.).</funding-statement><funding-statement xml:lang="en">This work was supported by the State Program of Scientific Research “Biotechnologies” (grant 1.42, 2019-2020).</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">Astaxanthin, a carotenoid with potential human health and nutrition / G. 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