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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-26-41</article-id><article-id custom-type="elpub" pub-id-type="custom">vavilov-5104</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 РАСТЕНИЙ НА ИММУНИТЕТ И ПРОДУКТИВНОСТЬ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PLANT BREEDING FOR IMMUNITY AND PERFORMANCE</subject></subj-group></article-categories><title-group><article-title>Разработка молекулярного маркера к гену Run8 для отбора устойчивых к пыльной головне генотипов ячменя</article-title><trans-title-group xml:lang="en"><trans-title>Development of a molecular marker for the Run8 gene for the selection of barley genotypes resistant to smut</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Орлова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Orlova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>р.п. Краснообск, Новосибирская область</p></bio><bio xml:lang="en"><p>Krasnoobsk, Novosibirsk region</p></bio><email xlink:type="simple">Orlova.Lena10@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бехтольд</surname><given-names>Н. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Bechtold</surname><given-names>N. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>р.п. Краснообск, Новосибирская область</p></bio><bio xml:lang="en"><p>Krasnoobsk, Novosibirsk region</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>Григорьев</surname><given-names>Ю. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Grigoriev</surname><given-names>Yu. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>р.п. Краснообск, Новосибирская область</p></bio><bio xml:lang="en"><p>Krasnoobsk, Novosibirsk region</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>Шоева</surname><given-names>О. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Shoeva</surname><given-names>O. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Новосибирск</p></bio><bio xml:lang="en"><p>Novosibirsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Глаголева</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Glagoleva</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Новосибирск</p></bio><bio xml:lang="en"><p>Novosibirsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кукоева</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kukoeva</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Новосибирск</p></bio><bio xml:lang="en"><p>Novosibirsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Сибирский научно-исследовательский институт растениеводства и селекции – филиал Федерального исследовательского центра Институт цитологии и генетики Сибирского отделения Российской академии наук<country>Россия</country></aff><aff xml:lang="en">Siberian Research Institute of Plant Production and Breeding – Branch of the Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Федеральный исследовательский центр Институт цитологии и генетики Сибирского отделения Российской академии наук<country>Россия</country></aff><aff xml:lang="en">Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>26</day><month>05</month><year>2026</year></pub-date><volume>30</volume><issue>3</issue><fpage>372</fpage><lpage>380</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Орлова Е.А., Бехтольд Н.П., Григорьев Ю.Н., Шоева О.Ю., Глаголева А.Ю., Кукоева Т.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Орлова Е.А., Бехтольд Н.П., Григорьев Ю.Н., Шоева О.Ю., Глаголева А.Ю., Кукоева Т.В.</copyright-holder><copyright-holder xml:lang="en">Orlova E.A., Bechtold N.P., Grigoriev Y.N., Shoeva O.Y., Glagoleva A.Y., Kukoeva T.V.</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/5104">https://vavilov.elpub.ru/jour/article/view/5104</self-uri><abstract><p>Пыльная головня ячменя, вызываемая базидиомицетом Ustilago nuda (Jens.) Roster, встречается во всех регионах, где возделывается эта культура. Селекция на резистентность к пыльной головне, основанная на использовании доноров, обладающих генами устойчивости, представляет экологически и экономически безопасный способ, сдерживающий отрицательное действие патогена на ячмень. Внедрение в селекционный процесс молекулярно-генетических подходов позволяет контролировать передачу генов резистентности в гибридный материал. Ген Run8 контролирует устойчивость ко многим изолятам пыльной головни и служит источником высокой устойчивости к этому возбудителю. Цель представленной работы – разработка молекулярного маркера к гену Run8 для отбора из гибридных популяций генотипов ячменя, устойчивых к пыльной головне. С помощью сравнения доступных из базы данных пангенома ячменя нуклеотидных последовательностей гена Run8 определена инсерция/делеция шести пар нуклеотидов в кодирующей области гена. На основе выявленного полиморфизма разработан молекулярный маркер Hor7050, позволяющий дифференцировать аллели гена Run8. Маркер был протестирован на гибридных линиях F5–F6, полученных от скрещивания сорта Эльф – донора резистентности к пыльной головне – и несущего, по данным оригинаторов, ген Run8, с сортом Танай, обладающим практической устойчивостью к возбудителю. С помощью разработанного маркера из 84 гибридов были отобраны 18, несущих ген Run8 сорта Эльф. Однако проведенная фитопатологическая оценка показала, что из выделенных линий восемь восприимчивы к заболеванию. Для уточнения генотипа 18 отобранных линий был проведен дополнительный анализ с помощью микросателлитного маркера EBmac0541, сцепленного с геном Run6. Была установлена взаимосвязь между наличием аллеля данного маркера от сорта Эльф и устойчивостью к заболеванию. Возможно, сорт Эльф, кроме гена Run8, несет ген Run6, эффективный против расы 1 возбудителя пыльной головни. Для уточнения наличия гена Run6 у сорта Эльф требуются дополнительные исследования. Помимо устойчивости, отобранные линии были охарактеризованы по признакам продуктивности. По результатам двухлетнего анализа выделены три продуктивные резистентные линии с геном Run8 – 32, 65 и 79, достоверно превышающие по урожайности контрольный сорт Эльф.</p></abstract><trans-abstract xml:lang="en"><p>Loose smut of barley, caused by the basidiomycete Ustilago nuda (Jens.) Roster, occurs in all regions of the world where this crop is grown. This seed-borne disease causes significant losses in grain production. Selection for resistance to loose smut based on the use of donors with resistance genes is an ecologically and economically safe way to constrain the negative impact of the pathogen on barley. The introduction of molecular genetic approaches into the breeding process makes it possible to control the transfer of resistance genes to hybrid material. The Run8 gene controls resistance to many isolates of loose smut, including in the West Siberian region of Russia. The objective of the current study is to develop a molecular marker for Run8 for the selection of barley genotypes resistant to loose smut from hybrid populations. By comparing the nucleotide sequences of the Run8 gene available from the barley pangenome database, an insertion/deletion of six nucleotide pairs in the coding region of the gene was identified. Based on the identified polymorphism, a molecular marker Hor7050 was developed, which allows differentiating the alleles of Run8. The developed marker was tested on hybrid lines (F5–F6) obtained from crossing cultivar Elf, which is a donor of resistance to loose smut and carries, according to the originators, the Run8 gene, with cultivar Tanai, which has practical resistance to the pathogen. Using the developed marker, 18 hybrids carrying Run8 of Elf were selected from 84 hybrids; however, the phytopathological assessment showed that eight of the selected lines were susceptible to the disease. To clarify the genotype of 18 selected lines, an additional analysis was carried out using the microsatellite marker EBmac0541 linked to Run6. A relationship was established between the presence of the allele of this marker from Elf and resistance to the disease. It is possible that Elf, in addition to Run8, carries Run6, which is effective against race 1 of the causative agent of loose smut. Additional studies are required to clarify the presence of Run6 in the Elf variety. In addition to resistance, the selected lines were characterized by productivity traits. According to the two-year analysis, three productive resistant lines were identified, with Run8 – 32, 65 and 79, significantly exceeding the control Elf in yield. The selected lines were transferred to breeding nurseries for their further evaluation by economically important traits.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ячмень</kwd><kwd>пыльная головня</kwd><kwd>гены устойчивости</kwd><kwd>маркеры</kwd><kwd>линии</kwd></kwd-group><kwd-group xml:lang="en"><kwd>barley</kwd><kwd>loose smut</kwd><kwd>resistance genes</kwd><kwd>markers</kwd><kwd>lines</kwd></kwd-group><funding-group xml:lang="en"><funding-statement>The development of molecular markers for the Run6 and Run8 genes was supported by the Russian Science Foundation (project No. 25-26-20151) and the Ministry of Science and Innovation Policy of the Novosibirsk Region (project No. 30-2025-000964 dated May 21, 2025)</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">Abo-Elyous K.A.M., Mourad A.M.I., Baenziger P.S., Shehata A.H.A., Eckstein P.E., Beattie A.D., Sallam A. 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