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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Genetics</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Genetics</journal-title><trans-title-group xml:lang="ru"><trans-title>Генетика</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0016-6758</issn><issn publication-format="electronic">3034-5103</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">666822</article-id><article-id pub-id-type="doi">10.31857/S0016675823080118</article-id><article-id pub-id-type="edn">XUADPR</article-id><article-categories><subj-group subj-group-type="toc-heading"><subject>ГЕНЕТИКА РАСТЕНИЙ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Peculiarities of Transcriptional Activity of Long Non-Coding RNAs (<italic>COOLAIR, COLDAIR</italic>, and <italic>COLDWRAP</italic>) during the Vernalization of the Plant <italic>Arabidopsis thaliana</italic> of Northern Natural Populations</article-title><trans-title-group xml:lang="ru"><trans-title>Особенности транскрипционной активности длинных некодирующих РНК (<italic>COOLAIR</italic>, <italic>COLDAIR</italic> и <italic>COLDWRAP</italic>) при яровизации растений <italic>Arabidopsis</italic> <italic>thaliana</italic> северных природных популяций</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zaretskaya</surname><given-names>M. V.</given-names></name><name xml:lang="ru"><surname>Зарецкая</surname><given-names>М. В.</given-names></name></name-alternatives><email>genmg@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lebedeva</surname><given-names>O. N.</given-names></name><name xml:lang="ru"><surname>Лебедева</surname><given-names>О. Н.</given-names></name></name-alternatives><email>fedorenko_om@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Fedorenko</surname><given-names>O. M.</given-names></name><name xml:lang="ru"><surname>Федоренко</surname><given-names>О. М.</given-names></name></name-alternatives><email>fedorenko_om@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Biology of Karelian Research Centre Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт биологии Карельского научного центра Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-08-01" publication-format="electronic"><day>01</day><month>08</month><year>2023</year></pub-date><volume>59</volume><issue>8</issue><fpage>938</fpage><lpage>945</lpage><history><date date-type="received" iso-8601-date="2025-02-26"><day>26</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, М.В. Зарецкая, О.Н. Лебедева, О.М. Федоренко</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, М.В. Зарецкая, О.Н. Лебедева, О.М. Федоренко</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">М.В. Зарецкая, О.Н. Лебедева, О.М. Федоренко</copyright-holder><copyright-holder xml:lang="ru">М.В. Зарецкая, О.Н. Лебедева, О.М. Федоренко</copyright-holder></permissions><self-uri xlink:href="https://transsyst.ru/0016-6758/article/view/666822">https://transsyst.ru/0016-6758/article/view/666822</self-uri><abstract xml:lang="en"><p id="idm45181325926096">Peculiarities of the lncRNA expression – <italic>COOLAIR, COLDAIR</italic>, and <italic>COLDWRAP</italic>, which perform an important function in the vernalization-mediated epigenetic mechanism of the transition to flowering in <italic>A. thaliana</italic> plants of northern natural populations (Karelia), were revealed. The results obtained are partly differ from the data of other authors performing studies on pure lines and other ecotypes of this species. It is suggested that the genetic and epigenetic mechanisms involved in the process of vernalization and control of flowering times may differ in plant populations from different geographic regions.</p></abstract><trans-abstract xml:lang="ru"><p id="idm45181325924032">Выявлены особенности экспрессии lncРНК – <italic>COOLAIR</italic>, <italic>COLDAIR</italic> и <italic>COLDWRAP</italic>, выполняющие важную функцию в яровизационно-опосредованном эпигенетическом механизме перехода к цветению растений <italic>A. thaliana</italic> северных природных популяций (Карелия). Полученные результаты частично отличаются от данных других авторов, выполняющих исследования на чистых линиях и других экотипах этого вида. Предполагается, что генетические и эпигенетические механизмы, участвующие в процессе яровизации и контроле темпов зацветания, могут различаться у растений популяций разных географических регионов.</p></trans-abstract><kwd-group xml:lang="en"><kwd><italic>Arabidopsis thaliana</italic></kwd><kwd>northern natural populations</kwd><kwd>vernalization</kwd><kwd><italic>FLC</italic> expression</kwd><kwd>lncRNA expression, <italic>COOLAIR</italic></kwd><kwd><italic>COLDAIR</italic></kwd><kwd><italic>COLDWRAP.</italic></kwd></kwd-group><kwd-group xml:lang="ru"><kwd><italic>Arabidopsis</italic> <italic>thaliana</italic></kwd><kwd>северные природные популяции</kwd><kwd>яровизация</kwd><kwd>экспресия <italic>FLC</italic></kwd><kwd>экспрессия lncРНК, <italic>COOLAIR</italic></kwd><kwd><italic>COLDAIR</italic>, <italic>COLDWRAP.</italic></kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Dennis E.S., Peacock W.J. 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