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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">vavilov</journal-id><journal-title-group><journal-title xml:lang="ru">Вавиловский журнал генетики и селекции</journal-title><trans-title-group xml:lang="en"><trans-title>Vavilov Journal of Genetics and Breeding</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2500-3259</issn><publisher><publisher-name>Institute of Cytology and Genetics of Siberian Branch of the RAS</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18699/VJGB-23-53</article-id><article-id custom-type="elpub" pub-id-type="custom">vavilov-3863</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>ГЕНЕТИЧЕСКИЕ РЕСУРСЫ И БИОКОЛЛЕКЦИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PLANT GENETICS</subject></subj-group></article-categories><title-group><article-title>Аллельные варианты 5′-UTR и экспрессия гена ликопин-ɛ-циклазы LCYE у инбредных линий кукурузы Zea mays L. российской селекции</article-title><trans-title-group xml:lang="en"><trans-title>5′-UTR allelic variants and expression of the lycopene-ɛ-cyclase LCYE gene in maize (Zea mays L.) inbred lines of Russian selection</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1239-3641</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Архестова</surname><given-names>Д. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Arkhestova</surname><given-names>D. Kh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва; Нальчик</p></bio><bio xml:lang="en"><p>Moscow; Nalchik</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шомахов</surname><given-names>Б. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Shomakhov</surname><given-names>B. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нальчик</p></bio><bio xml:lang="en"><p>Nalchik</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4692-3727</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щенникова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shchennikova</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">shchennikova@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6091-0765</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кочиева</surname><given-names>Е. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Kochieva</surname><given-names>E. Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Институт биоинженерии им. К.Г. Скрябина, Федеральный исследовательский центр «Фундаментальные основы биотехнологии» Российской академии наук; Институт сельского хозяйства – филиал Федерального научного центра «Кабардино-Балкарский научный центр Российской академии наук»<country>Россия</country></aff><aff xml:lang="en">Institute of Bioengineering, Federal Research Center “Fundamentals of Biotechnology” of the Russian Academy of Sciences; Institute of Agriculture – Branch of the Federal Scientific Center “Kabardino-Balkarian Scientific Center of the Russian Academy of Sciences”<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Институт сельского хозяйства – филиал Федерального научного центра «Кабардино-Балкарский научный центр Российской академии наук»<country>Россия</country></aff><aff xml:lang="en">Institute of Agriculture – Branch of the Federal Scientific Center “Kabardino-Balkarian Scientific Center of the Russian Academy of Sciences”<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Институт биоинженерии им. К.Г. Скрябина, Федеральный исследовательский центр «Фундаментальные основы биотехнологии» Российской академии наук<country>Россия</country></aff><aff xml:lang="en">Institute of Bioengineering, Federal Research Center “Fundamentals of Biotechnology” of the Russian Academy of Sciences<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru">Институт биоинженерии им. К.Г. Скрябина, Федеральный исследовательский центр «Фундаментальные основы биотехнологии» Российской академии наук; Московский государственный университет им. М.В. Ломоносова<country>Россия</country></aff><aff xml:lang="en">Institute of Bioengineering, Federal Research Center “Fundamentals of Biotechnology” of the Russian Academy of Sciences; Lomonosov Moscow State University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>08</day><month>09</month><year>2023</year></pub-date><volume>27</volume><issue>5</issue><fpage>440</fpage><lpage>446</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Архестова Д.Х., Шомахов Б.Р., Щенникова А.В., Кочиева Е.З., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Архестова Д.Х., Шомахов Б.Р., Щенникова А.В., Кочиева Е.З.</copyright-holder><copyright-holder xml:lang="en">Arkhestova D.K., Shomakhov B.R., Shchennikova A.V., Kochieva E.Z.</copyright-holder><license 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://vavilov.elpub.ru/jour/article/view/3863">https://vavilov.elpub.ru/jour/article/view/3863</self-uri><abstract><p>Селекционная биофортификация направлена на обогащение съедобных частей растения микронутриентами. В рамках данной стратегии молекулярный скрининг коллекций различных культур позволяет определять аллельные варианты генов, новые аллели и сцепленность аллельных вариантов с морфофизиологическими признаками. Кукуруза Zea mays L. является важной зерновой и силосной культурой, а также источником основного предшественника витамина А – β-каротина, производного β,β-ветви пути биосинтеза каротиноидов. Параллельная β,ε-ветвь запускается ликопин-ε-циклазой LCYE, низкая экспрессия которой приводит к росту содержания провитамина А и связана с вариабельностью регуляторной последовательности 5’-UTR гена. В настоящем исследовании проведены скрининг коллекции 165 инбредных линий кукурузы российской селекции на варианты аллелей 5’-UTR LCYE, а также поиск зависимости уровня экспрессии гена LCYE от аллельного варианта 5’-UTR в листьях 14 коллекционных линий. Проанализированные 165 линий разделились на три группы, несущие аллели А2 (64 линии), А5 (31) и А6 (70). В сравнении с А2, аллель А5 содержал две делеции (в позициях -267–260 и -296–290 от ATG-кодона) и замену G251→T, тогда как аллель А6 – одну делецию (-290–296) и две замены (G251→T, G265→T). Анализ экспрессии гена LCYE в листовой ткани проростков образцов 14 линий, различающихся аллельными вариантами, показал отсутствие ассоциаций варианта аллеля 5’-UTR LCYE с уровнем экспрессии гена. Четыре линии, несущие аллели А2 (образцы 6178-1, 6709-2, 2289-3) и А5 (образец 5677), имели значительно более высокий уровень экспрессии гена LCYE (~0.018–0.037) по сравнению с остальными десятью проанализированными линиями (~0.0001–0.004), среди которых были представлены все три аллельных варианта.</p></abstract><trans-abstract xml:lang="en"><p>In breeding, biofortification is aimed at enriching the edible parts of the plant with micronutrients. Within the framework of this strategy, molecular screening of collections of various crops makes it possible to determine allelic variants of genes, new alleles, and the linkage of allelic variants with morphophysiological traits. The maize (Zea mays L.) is an important cereal and silage crop, as well as a source of the main precursor of vitamin A – β-carotene, a derivative of the β,β-branch of the carotenoid biosynthesis pathway. The parallel β,ε-branch is triggered by lycopene-ε-cyclase LCYE, a low expression of which leads to an increase in provitamin A content and is associated with the variability    of the 5’-UTR gene regulatory sequence. In this study, we screened a collection of 165 maize inbred lines of Russian selection for 5’-UTR LCYE allelic variants, as well as searched for the dependence of LCYE expression levels on the 5’-UTR allelic variant in the leaves of 14 collection lines. 165 lines analyzed were divided into three groups carrying alleles A2 (64 lines), A5 (31) and A6 (70), respectively. Compared to A2, allele A5 contained two deletions (at positions -267–260 and -296–290 from the ATG codon) and a G251→T substitution, while allele A6 contained one deletion (-290–296) and two SNPs (G251→T, G265→T). Analysis of LCYE expression in the leaf tissue of seedlings from accessions of 14 lines differing in allelic variants showed no associations of the 5’-UTR LCYE allele type with the level of gene expression. Four lines carrying alleles A2 (6178-1, 6709-2, 2289-3) and A5 (5677) had a significantly higher level of LCYE gene expression (~0.018–0.037) than the other 10 analyzed lines (~0.0001–0.004), among which all three allelic variants were present.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Zea mays L.</kwd><kwd>инбредные линии кукурузы</kwd><kwd>ликопин-ε-циклаза</kwd><kwd>аллели LCYE</kwd><kwd>экспрессия гена</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Zea mays L.</kwd><kwd>maize inbred lines</kwd><kwd>lycopene-ε-cyclase</kwd><kwd>LCYE alleles</kwd><kwd>gene expression</kwd></kwd-group><funding-group xml:lang="en"><funding-statement>The study was supported by the Federal Scientific and Technical Program for the Development of Agriculture of the Russian Federation.</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">Arkhestova D.Kh., Kulakova A.V., Khatefov E.B., Shchennikova A.V., Kochieva E.Z. 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