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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">vetpress</journal-id><journal-title-group><journal-title xml:lang="ru">Аграрная наука</journal-title><trans-title-group xml:lang="en"><trans-title>Agrarian science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-8155</issn><issn pub-type="epub">2686-701X</issn><publisher><publisher-name>Редакция журнала "Аграрная наука"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32634/0869-8155-2025-401-12-155-163</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-3948</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>АГРОНОМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>AGRONOMY</subject></subj-group></article-categories><title-group><article-title>Молекулярная оценка генетической однородности линий льна методом SSR-анализа</article-title><trans-title-group xml:lang="en"><trans-title>Molecular assessment of genetic homogeneity of flax lines using SSR-analysis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9544-5528</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Базанов</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bazanov</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тарас Александрович Базанов, кандидат химических наук, ведущий научный сотрудник, заведующий лабораторией </p><p>Комсомольский пр-т, 17/56, Тверь, 170041 </p></bio><bio xml:lang="en"><p>Taras Aleksandrovich Bazanov, Candidate of Chemical Sciences, Leading Researcher, Head of the Laboratory </p><p>17/56 Komsomolsky prospekt, Tver, 170041 </p></bio><email xlink:type="simple">t.bazanov@fnclk.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/0000-0002-0602-1211</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ущаповский</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ushchapovsky</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Игорь Валентинович Ущаповский, кандидат биологических наук, ведущий научный сотрудник, заместитель директора по науке </p><p>Комсомольский пр-т, 17/56, Тверь, 170041 </p></bio><bio xml:lang="en"><p>Igor Valentinovich Ushchapovsky, Candidate of Biological Sciences, Leading Researcher, Deputy Director of Science </p><p>17/56 Komsomolsky prospekt, Tver, 170041 </p></bio><email xlink:type="simple">i.uschapovsky@fnclk.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/0000-0002-8204-7341</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рожмина</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Rozhmina</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна Александровна Рожмина, доктор биологических наук, ведущий научный сотрудник, заведующая лабораторией </p><p>Комсомольский пр-т, 17/56, Тверь, 170041 </p></bio><bio xml:lang="en"><p>Tatiana Aleksandrovna Rozhmina, Doctor of Biological Sciences, Leading Researcher, Head of the Laboratory </p><p>17/56 Komsomolsky prospekt, Tver, 170041 </p></bio><email xlink:type="simple">t.rozhmina.trk@fnclk.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/0000-0003-4633-392X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Логинова</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Loginova</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Николаевна Логинова, научный сотрудник </p><p>Комсомольский пр-т, 17/56, Тверь, 170041 </p></bio><bio xml:lang="en"><p>Natalya Nikolaevna Loginova, Research Associate </p><p>17/56 Komsomolsky prospekt, Tver, 170041 </p></bio><email xlink:type="simple">n.loginova@fnclk.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/0000-0001-6559-9577</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Минина</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Minina</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатерина Витальевна Минина, младший научный сотрудник, аспирант </p><p>Комсомольский пр-т, 17/56, Тверь, 170041 </p></bio><bio xml:lang="en"><p>Ekaterina Vitalievna Minina, Junior Researcher, Graduate Student </p><p>17/56 Komsomolsky prospekt, Tver, 170041 </p></bio><email xlink:type="simple">ev.smirnova@fnclk.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/0000-0001-7797-2578</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вересова</surname><given-names>П. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Veresova</surname><given-names>P. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Полина Дмитриевна Вересова, младший научный сотрудник </p><p>Комсомольский пр-т, 17/56, Тверь, 170041 </p></bio><bio xml:lang="en"><p>Polina Dmitrievna Veresova, Junior Researcher </p><p>17/56 Komsomolsky prospekt, Tver, 170041 </p></bio><email xlink:type="simple">p.mikhaylova@fnclk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральный научный центр лубяных культур</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Research Center for Bast Fiber Crops</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>13</day><month>12</month><year>2025</year></pub-date><volume>0</volume><issue>12</issue><fpage>155</fpage><lpage>163</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Базанов Т.А., Ущаповский И.В., Рожмина Т.А., Логинова Н.Н., Минина Е.В., Вересова П.Д., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Базанов Т.А., Ущаповский И.В., Рожмина Т.А., Логинова Н.Н., Минина Е.В., Вересова П.Д.</copyright-holder><copyright-holder xml:lang="en">Bazanov T.A., Ushchapovsky I.V., Rozhmina T.A., Loginova N.N., Minina E.V., Veresova P.D.</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.vetpress.ru/jour/article/view/3948">https://www.vetpress.ru/jour/article/view/3948</self-uri><abstract><p>Проблема генетической однородности сортов сельскохозяйственных растительных культур является одной из ключевых в области сельскохозяйственной биологии, и ее значимость в аграрном секторе экономики постоянно возрастает. Однородность генотипических и фенотипических характеристик растений в пределах сорта позволяет сохранять его уникальные свойства из поколения в поколение. Однако из-за влияния множества факторов от естественного мутагенеза, дрейфа генов, переопыления и нарушений технологий семеноводства чистота сорта может значительно снижаться. Внедрение технологий молекулярно-генетического маркирования в селекционно-семеноводческую практику будет способствовать эффективной и быстрой оценке генетической однородности сортов. </p><p>Цель данной работы — оценка генетической однородности линий льна с применением различных комплексов SSR-маркеров.</p><p>Объектами исследования стали 4 линии льна, каждая была представлена 16 образцами. Выделение геномной ДНК из листьев растений проводили с использованием модифицированного CTAB-метода. В работе были использованы SSR-маркерные комплексы отечественной и зарубежной разработки. После проведения ПЦР с каждой линейкой SSR-маркеров был выполнен фрагментный анализ, на основании которого проведены оценка и сравнение генетической однородности исследованных линий льна. Анализ данных показал, что все исследованные линии в разной степени неоднородны по составу, при этом наиболее вариативной оказалась линия М-326, а наименее — П-268. Оба использованных маркерных комплекса показали высокую информативность и комплементарность получаемых данных. По результатам работы определены наиболее перспективные SSR-маркеры, дальнейшее использование которых обеспечит наилучшие результаты и точность в интерпретации данных. </p></abstract><trans-abstract xml:lang="en"><p>The problem of genetic purity of agricultural crop varieties is one of the key issues in the field of agricultural biology and its importance in the agricultural sector of the economy is constantly increasing. The uniformity of the genotypic and phenotypic characteristics of plants within the variety makes it possible to preserve its unique properties from generation to generation. However, due to the influence of many factors from natural mutagenesis, gene drift, over-pollination and violations of seed production technologies, the purity of the variety can decrease significantly. The introduction of molecular genetic labeling technologies into seed breeding practice will contribute to an effective and rapid assessment of the genetic purity of varieties.</p><p>The purpose of this work is to evaluate the genetic uniformity of flax lines using various SSR marker complexes.</p><p>The objects of the study were 4 flax lines, each represented by 16 samples. Genomic DNA was isolated from plant leaves using a modified CTAB-method. SSR-marker complexes of domestic and foreign development were used in the work. After PCR was performed with each line of SSR-markers, a fragmentary analysis was performed, based on which the genetic uniformity of the studied flax lines was evaluated and compared. Data analysis showed that all the lines studied were heterogeneous in composition to varying degrees, with the M-326 line being the most variable and the P-268 line being the least variable. Both marker complexes used showed high information content and complementarity of the data obtained. Based on the results of the research, the most promising SSR-markers have been identified, the further use of which will ensure the best results and accuracy in data interpretation. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>лен</kwd><kwd>молекулярные маркеры</kwd><kwd>SSR-маркеры</kwd><kwd>ПЦР</kwd><kwd>генетическая однородность</kwd><kwd>селекция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>flax</kwd><kwd>molecular markers</kwd><kwd>SSR-markers</kwd><kwd>polymerase chain reaction (PCR)</kwd><kwd>genetic purity</kwd><kwd>selection</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания Минобрнауки России по теме FGSS-2024-0002.</funding-statement><funding-statement xml:lang="en">Scientific research was carried out within the framework of the state assignment of the Ministry of Education and Science of Russia on topic FGSS 2024-0002.</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">Базанов Т.А., Ущаповский И.В., Логинова Н.Н., Смирнова Е.В., Михайлова П.Д. 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