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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">vir-nw</journal-id><journal-title-group><journal-title xml:lang="ru">Труды по прикладной ботанике, генетике и селекции</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings on applied botany, genetics and breeding</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-8834</issn><issn pub-type="epub">2619-0982</issn><publisher><publisher-name>N.I. Vavilov All-Russian Institute of Plant Genetic Resources</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30901/2227-8834-2023-1-163-176</article-id><article-id custom-type="elpub" pub-id-type="custom">vir-nw-1508</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>ИДЕНТИФИКАЦИЯ ГЕНЕТИЧЕСКОГО РАЗНООБРАЗИЯ КУЛЬТУРНЫХ РАСТЕНИЙ И ИХ ДИКИХ РОДИЧЕЙ ДЛЯ РЕШЕНИЯ ФУНДАМЕНТАЛЬНЫХ И ПРИКЛАДНЫХ ПРОБЛЕМ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>IDENTIFICATION OF THE DIVERSITY OF CULTIVATED PLANTS AND THEIR WILD RELATIVES FOR SOLVING FUNDAMENTAL AND APPLIED PROBLEMS</subject></subj-group></article-categories><title-group><article-title>Молекулярно-генетическое разнообразие сортов льна (Linum usitatissimum  L.), представленных в Госреестре селекционных достижений Российской Федерации</article-title><trans-title-group xml:lang="en"><trans-title>Molecular genetic diversity of flax cultivars (Linum usitatissimum  L.) represented in the State Register for Selection Achievements of the Russian Federation</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>кандидат химических наук, ведущий научный сотрудник</p><p>170041 Россия, Тверь, Комсомольский пр., 17/56</p></bio><bio xml:lang="en"><p>Cand. Sci. (Chemistry), Leading Researcher</p><p>17/56 Komsomolsky Ave., Tver 170041, Russia </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>Uschapovsky</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат биологических наук, доцент, заместитель директора по научной работе</p><p>170041 Россия, Тверь, Комсомольский пр., 17/56</p></bio><bio xml:lang="en"><p>Cand. Sci. (Biology), Associate Professor, Deputy Director for Research </p><p>17/56 Komsomolsky Ave., Tver 170041, Russia </p></bio><email xlink:type="simple">i.uschapovskv@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>научный сотрудник </p><p>170041 Россия, Тверь, Комсомольский пр., 17/56</p></bio><bio xml:lang="en"><p> Researcher </p><p>17/56 Komsomolsky Ave., Tver 170041, Russia </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>Смирнова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Smirnova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант, младший научный сотрудник</p><p>170041 Россия, Тверь, Комсомольский пр., 17/56</p></bio><bio xml:lang="en"><p> Postgraduate Student, Associate Researcher </p><p>17/56 Komsomolsky Ave., Tver 170041, Russia </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>Михайлова</surname><given-names>П. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Mikhailova</surname><given-names>P. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p> младший научный сотрудник </p><p>170041 Россия, Тверь, Комсомольский пр., 17/56</p></bio><bio xml:lang="en"><p> Associate Researcher </p><p>17/56 Komsomolsky Ave., Tver 170041, Russia </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>2023</year></pub-date><pub-date pub-type="epub"><day>22</day><month>04</month><year>2023</year></pub-date><volume>184</volume><issue>1</issue><fpage>163</fpage><lpage>176</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Базанов Т.А., Ущаповский И.В., Логинова Н.Н., Смирнова Е.В., Михайлова П.Д., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Базанов Т.А., Ущаповский И.В., Логинова Н.Н., Смирнова Е.В., Михайлова П.Д.</copyright-holder><copyright-holder xml:lang="en">Bazanov T.A., Uschapovsky I.V., Loginova N.N., Smirnova E.V., Mikhailova 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://elpub.vir.nw.ru/jour/article/view/1508">https://elpub.vir.nw.ru/jour/article/view/1508</self-uri><abstract><p>Актуальность. При исследовании генетического разнообразия сельскохозяйственных растений, представленного как в виде разрешенных к возделыванию сортов, так и в виде многообразия образцов рабочих и национальных коллекций, применяют молекулярные маркеры, которые позволяют проводить идентификацию сортов, устанавливать филогенетические связи между ними и выявлять ценные генотипы для создания новых высокопродуктивных сортов. Одним из эффективных способов решения этих задач является применение SSR-маркеров. Целью данной работы является изучение генетического разнообразия современных сортов льна, представленных в Госреестре сортов Российской Федерации, с помощью SSR-маркеров, определение их филогенетических связей и генетическая паспортизация.Материалы и методы. Объектом исследования стали 82 сорта льна (60 сортов льна-долгунца, 22 сорта льна масличного) и 3 образца стародавних кряжевых льнов. Генетический анализ проводился методом ПЦР с использованием набора из 11 SSR-маркеров, меченых флуоресцентными красителями, с последующей детекцией продуктов на генетическом анализаторе.Результаты. При исследовании сортов было обнаружено 50 аллелей в 11 локусах, количество аллелей на локус варьировало от 2 до 10, в среднем 4,55 аллелей. Каждый образец льна содержал свойственный только ему набор аллелей.Заключение. Полученная SSR-база данных позволила разработать генетические паспорта каждого сорта в виде буквенно-цифрового кода. Также был проведен кластерный анализ и построена дендрограмма генетического подобия. Выявленные родственные связи между сортами согласуются с информацией об их происхождении.</p></abstract><trans-abstract xml:lang="en"><p>Background. When researching crop genetic diversity, including flax species, molecular markers are used to identify cultivars, establish phylogenetic relationships among them and select valuable genotypes and sources of useful traits. One of the effective ways to solve these tasks is the use of SSR markers, as a molecular method. The aim of this work was to study the molecular genetic polymorphism of modern flax cultivars listed in the State Register for Selection Achievements of the Russian Federation, find out their phylogenetic relationships and develop a version of their genetic certification.Materials and methods. The materials for the research were 82 flax cultivars (60 cultivars of fiber flax and 22 of oilseed flax) and 3 ancient landraces. Genetic analysis was carried out using the PCR method with a set of 11 SSR markers labeled with fluorescent dyes, followed by the detection of products on the genetic analyzer.Results. The study of the cultivars revealed 50 alleles at 11 loci, with the number of alleles per locus ranging from 2 to 10, averaged to 4.55 alleles per locus. Each flax sample contained a unique set of alleles.Conclusion. The resulting SSR database made it possible to develop genetic certificates for each cultivar in the form of an alphanumeric code. A cluster analysis was also carried out and a dendrogram of genetic similarity was constructed. The identified sib relationships among the cultivars confirmed the information about their origin.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лен-долгунец</kwd><kwd>лен масличный</kwd><kwd>ДНК-маркеры</kwd><kwd>ПЦР</kwd><kwd>полиморфизм</kwd><kwd>генетическая паспортизация</kwd><kwd>селекция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fiber flax</kwd><kwd>oilseed flax</kwd><kwd>DNA markers</kwd><kwd>PCR</kwd><kwd>polymorphism</kwd><kwd>genetic certification</kwd><kwd>breeding</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания Минобрнауки России по теме № 0477-2019- 0023.</funding-statement><funding-statement xml:lang="en">The work was carried out within the framework of the state task assigned by the Ministry of Education and Science of Russia, Theme No. 0477-2019-0023. 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