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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Advances in Chemical Physics</journal-id><journal-title-group><journal-title xml:lang="en">Advances in Chemical Physics</journal-title><trans-title-group xml:lang="ru"><trans-title>Физиология растений</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0015-3303</issn><issn publication-format="electronic">3034-624X</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">266495</article-id><article-id pub-id-type="doi">10.31857/S0015330324030028</article-id><article-id pub-id-type="edn">NMZYII</article-id><article-categories><subj-group subj-group-type="toc-heading"><subject>ЭКСПЕРИМЕНТАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Экспрессия генов циркадных ритмов, активность фотосистем и биосинтез каротиноидов в проростках двух инбредных линий кукурузы в условиях измененного фотопериода</article-title><trans-title-group xml:lang="ru"><trans-title>Экспрессия генов циркадных ритмов, активность фотосистем и биосинтез каротиноидов в проростках двух инбредных линий кукурузы в условиях измененного фотопериода</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name><surname>Архестова</surname><given-names>Д. Х.</given-names></name><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>Институт биоинженерии; Институт сельского хозяйства</p></bio><email>shchennikova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name><surname>Анисимова</surname><given-names>О. К.</given-names></name><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>Институт биоинженерии</p></bio><email>shchennikova@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name><surname>Кочиева</surname><given-names>Е. З.</given-names></name><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>Институт биоинженерии<italic> </italic></p></bio><email>shchennikova@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name><surname>Щенникова</surname><given-names>А. В.</given-names></name><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>Институт биоинженерии</p></bio><email>shchennikova@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en"></institution></aff><aff><institution xml:lang="ru">Федеральный исследовательский центр Фундаментальные основы биотехнологии Российской академии наук</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="ru">Федеральный научный центр “Кабардино-Балкарский научный центр Российской академии наук”</institution></aff><aff><institution xml:lang="en"></institution></aff></aff-alternatives><aff id="aff3"><institution>Федеральный исследовательский центр Фундаментальные основы биотехнологии Российской академии наук</institution></aff><pub-date date-type="pub" iso-8601-date="2024-05-15" publication-format="electronic"><day>15</day><month>05</month><year>2024</year></pub-date><volume>71</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>268</fpage><lpage>279</lpage><history><date date-type="received" iso-8601-date="2024-10-16"><day>16</day><month>10</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-10-16"><day>16</day><month>10</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Российская академия наук</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2025-05-15"/></permissions><self-uri xlink:href="https://journals.rcsi.science/0015-3303/article/view/266495">https://journals.rcsi.science/0015-3303/article/view/266495</self-uri><abstract xml:lang="ru"><p>Циркадная система растений как результат адаптационной эволюции тесно связана с чувствительностью их к фотопериоду. Вид <italic>Zea mays</italic> L. исходно принадлежит к короткодневным, при этом современные культивируемые образцы кукурузы считаются нейтральными по отношению к фотопериоду. В работе проанализировано воздействие смены режима длинного дня на ультракороткий день и длинную ночь на уровень транскриптов ключевых генов циркадного ритма (<italic>GIGZ1a</italic>, <italic>GIGZ1b</italic>), фотосистемы I (<italic>psaA</italic>), фотосистемы II (<italic>psbA</italic>) и биосинтеза каротиноидов (<italic>ZmPSY1</italic>,<italic> ZmPSY2</italic>,<italic> ZmLCYE</italic>,<italic> ORANGE-GREEN</italic>) в листьях двух средне-позднеспелых инбредных линий кукурузы (Л-5580-1 и Л-5739), сходных по морфофизиологическим характеристикам. В тех же листьях определено содержание хлорофиллов и каротиноидов. Обнаружено, что исследуемые линии существенно различаются по динамике изменения уровня транскриптов генов и содержания пигментов в ответ на смену фотопериода. Уровень транскриптов <italic>GIGZ1a</italic> и <italic>GIGZ1b</italic> у обеих линий возрастает спустя 1 ч после завершения ультракороткого дня и далее характеризуется ростом или падением в зависимости от линии. Экспрессия генов фотосистемы <italic>psaA</italic> и <italic>psbA</italic> различается между линиями, как по уровню, так и по динамике ответа на смену фотопериода. Активность генов каротиногенеза <italic>ZmPSY1</italic>, <italic>ZmPSY2</italic>, <italic>ZmLCYE</italic> и <italic>ORANGE-GREEN</italic> повышается у обеих линий при смене дня ночью (кроме <italic>ZmPSY2</italic> у Л-5580-1) и снижается в разной степени в зависимости от линии к завершению ночного периода. Содержание пигментов спустя 1 ч после смены режима растет у Л-5580-1 и не меняется у Л-5739, а к концу ночи снижается у обеих линий. Полученные данные свидетельствуют о сохранении циркадного ритма у Л-5580-1 и повышенной адаптивности Л-5739 и могут быть использованы для поиска доноров признака высокой адаптивности к изменению фотопериода среди образцов кукурузы.</p></abstract><trans-abstract xml:lang="en"><p/></trans-abstract><kwd-group xml:lang="ru"><kwd>Zea mays L.</kwd><kwd>биосинтез каротиноидов</kwd><kwd>гены фотосистем I и II</kwd><kwd>кукуруза</kwd><kwd>фотопериод</kwd><kwd>циркадные часы</kwd><kwd>экспрессия генов</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Российский научный фонд</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Science Foundation</institution></institution-wrap></funding-source><award-id>21-16-00008</award-id></award-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Министерство науки и высшего образования Российской Федерации</institution></institution-wrap><institution-wrap><institution xml:lang="en">Ministry of Science and Higher Education of the Russian Federation</institution></institution-wrap></funding-source></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Hut R.A., Beersma D.G. 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