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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">ovoshchi</journal-id><journal-title-group><journal-title xml:lang="ru">Овощи России</journal-title><trans-title-group xml:lang="en"><trans-title>Vegetable crops of Russia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-9146</issn><issn pub-type="epub">2618-7132</issn><publisher><publisher-name>Федеральный научный центр овощеводства</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18619/2072-9146-2026-2-59-64</article-id><article-id custom-type="elpub" pub-id-type="custom">ovoshchi-2921</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>СЕЛЕКЦИЯ, СЕМЕНОВОДСТВО И БИОТЕХНОЛОГИЯ РАСТЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BREEDING, SEED PRODUCTION AND PLANT BIOTECHNOLOGY</subject></subj-group></article-categories><title-group><article-title>Влияние экзогенного мелатонина на профиль экспрессии генов SNAT1 и SNAT2 в процессе прорастания семян томата Solanum lycopersicum L.</article-title><trans-title-group xml:lang="en"><trans-title>The effect of exogenous melatonin on the expression profile of SNAT1 and SNAT2 genes during germination of tomato Solanum lycopersicum L. seeds</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2216-0094</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Джос</surname><given-names>Е. A.</given-names></name><name name-style="western" xml:lang="en"><surname>Dzhos</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Алексеевна Джос – кандидат с.-х. наук, старший научный сотрудник лаб. лаборатории селекции и семеноводства пасленовых культур</p><p>119071, Москва, Ленинский пр., д. 33, стр. 2,</p><p>143072, Московская область, Одинцовский район, п. ВНИИССОК, ул. Селекционная, д.14</p></bio><bio xml:lang="en"><p>Elena A. Dzhos Cand. Sci. (Agriculture), Senior Researcher, Laboratory of Solanaceae Breeding and Seed Production</p><p>Leninsky pr., 33, building 2, Moscow, 119071,</p><p>14, Selectsionnaya str., VNIISsOk, Odintsovo dis­trict, Moscow region, 143072</p></bio><email xlink:type="simple">elenadzhos@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7693-8714</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Анисимова</surname><given-names>О. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Anisimova</surname><given-names>O. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольга Константиновна Анисимова – научный сотрудник лаб. системной биологии растений</p><p>119071, Москва, Ленинский пр., д. 33, стр. 2</p></bio><bio xml:lang="en"><p>Olga K. Anisimova Researcher, Laboratory of Plant Systems Biology</p><p>Leninsky pr., 33, building 2, Moscow, 119071</p></bio><email xlink:type="simple">lelikanis@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральный исследовательский центр «Фундаментальные основы биотехнологии» Российской академии наук;&#13;
Федеральное государственное бюджетное научное учреждение "Федеральный научный центр овощеводства" (ФГБНУ ФНЦО)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Research Centre Fundamentals of Biotechnology of the Russian Academy of Sciences;&#13;
Federal State Budgetary Scientific Institution Federal Scientific Vegetable Center (FSBSI FSVC)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральный исследовательский центр «Фундаментальные основы биотехнологии» Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Research Centre Fundamentals of Biotechnology of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>03</day><month>05</month><year>2026</year></pub-date><volume>0</volume><issue>2</issue><fpage>59</fpage><lpage>64</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Джос Е.A., Анисимова О.К., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Джос Е.A., Анисимова О.К.</copyright-holder><copyright-holder xml:lang="en">Dzhos E.A., Anisimova O.K.</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://www.vegetables.su/jour/article/view/2921">https://www.vegetables.su/jour/article/view/2921</self-uri><abstract><p>Прорастание семян представляет собой критическую стадию онтогенеза растений, регулируемую сложной сетью гормональных сигналов. Мелатонин (№ацетил-5-метокситриптамин) является одним из важнейших вторичных метаболитов растений, выполняющим функции антиоксиданта и фитогормона, а, следовательно, вовлеченным как во многие физиологические процессы, так и в защитные реакции на стрессы. Ключевыми ферментами биосинтеза мелатони­на являются серотонин-№ацетилтрансферазы (SNAT). Несмотря на показанную ранее эффектив­ность экзогенного мелатонина в стимуляции прорастания, механизмы обратной связи, регули­рующие его эндогенный биосинтез, в частности экспрессию генов SNAT томата (Solanum lycopersicum L.), остаются малоизученными.</p><p>Материал и методика. Целью данной работы стал анализ влияния разных концентраций экзоген­ного мелатонина на прорастание семян S. lycopersicum и экспрессию генов SlSNAT1 и SlSNAT2. Была оценена динамика прорастания контрольных и обработанных растворами мелатонина (4 мкМ и 100 мкМ) семян, а также профили экспрессии генов SlSNAT1 и SlSNAT2 (методом РВ-ПЦР). Результаты. Показано стимулирующее влияние мелатонина на прорастание семян. Наибольшая и достоверная разница в количестве проросших за сутки семян наблюдается на второй и третий дни после обработки, энергия прорастания достоверно выше в образцах, обработанных 100 мкМ рас­твором мелатонина, однако показатель всхожести изменяется незначительно. Выявлены разли­чия между уровнями экспрессии генов SlSNAT1 и SlSNAT2 как в контрольных растениях, так и в образцах, обработанных мелатонином. В первые и вторые сутки развития контрольных проро­стков экспрессия гена SlSNAT2 была выше, чем SlSNATI, а на десятые наоборот. Обработка раз­ными концентрациями мелатонина влияла на профиль экспрессии гомологов SlSNAT по-разному: при воздействии 4 мкМ мелатонина наблюдался постепенный рост экспрессии обоих генов на протяжении всего эксперимента, в то время как для варианта 100 мкМ в случае SlSNAT1 показана цикличность (подъем-спад-подъем), а в случае SlSNAT2 повышение (сутки 2) с последующим незначительным снижением (сутки 3, 10). Полученные данные расширяют понимание влияния воздействия экзогенного мелатонина на прорастание семян томата и профиль экспрессии ключе­вых генов биосинтеза мелатонина.</p></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. Seed germination is a critical stage of plant development, regulated by a complex network of hormonal signals. Melatonin (N-acetyl-5-methoxytryptamine) is a highly important secondary metabolite in plant that acts as an antioxidant and phytohormone, and therefore is involved in both physiological processes and stress defense responses. The key enzymes in melatonin biosynthesis are serotonin Nacetyltransferases (SNATs). Despite the previously demonstrated effectiveness of exogenous melatonin in stimulating germination, the feedback mechanisms regulating its endogenous biosynthesis, particu­larly the expression of SNAT genes in tomato (Solanum lycopersicum L.), remain poorly understood.</p><p>Materials and Methodology. This study was aimed to analyze the effects of exogenous melatonin differ­ent concentrations on S. lycopersicum seed germination and the SlSNAT1 and SlSNAT2 gene expres­sion. The germination dynamics of control seeds and those treated with melatonin solutions (4 pM and 100 pM), as well as the expression profiles of SlSNATI and SlSNAT2 (using real-time PCR) were assessed.</p></sec><sec><title>Results</title><p>Results. Melatonin was shown to stimulate seed germination. The most significant difference in the num­ber of seeds germinated per day was observed on the second and third days after treatment. The SlSNAT1 and SlSNAT2 expression levels were found to be different in both control and melatonin-treated samples. On the first and second days of control seedling development, SlSNAT2 was expressed high­er than SlSNAT1, and on the tenth day, vice versa. Treatment with different concentrations of melatonin affected the expression profile of SlSNAT genes differently: when exposed to 4 pM melatonin, a gradual increase in the expression of both genes was observed within 10 days, while for the 100 pM variant, cycli­cality (rise-fall-rise) was shown in the case of SlSNAT1, and an increase (day 2) followed by a slight decrease (days 3, 10) was shown in the case of SlSNAT2. The data obtained expand our understanding of the exogenous melatonin effects on seed germination and the expression pattern of melatonin biosyn­thesis key genes in tomato.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>Solanum lycopersicum</kwd><kwd>томат</kwd><kwd>биосинтез мелатонина</kwd><kwd>экзогенный мелатонин</kwd><kwd>прорастание семян</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Solanum lycopersicum</kwd><kwd>tomato</kwd><kwd>melatonin biosynthesis</kwd><kwd>exogenous melatonin</kwd><kwd>seed germina¬tion</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке гранта Российского фонда фундаментальных исследований (№ 25-26-00074)</funding-statement><funding-statement xml:lang="en">This research was funded by the Russian Foundation of Basic Research (grant no. 25-26-00074)</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">Shu K., Liu X.D., Xie Q., He Z.H. 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