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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">10.30901/2227-8834-2026-1-o11</article-id><article-id custom-type="elpub" pub-id-type="custom">vir-nw-2440</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>ИЗУЧЕНИЕ И ИСПОЛЬЗОВАНИЕ ГЕНЕТИЧЕСКИХ РЕСУРСОВ РАСТЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>STUDYING AND UTILIZATION OF PLANT GENETIC RESOURCES</subject></subj-group></article-categories><title-group><article-title>Скрининг скороспелых образцов амаранта коллекции ВИР по аминокислотному составу семян</article-title><trans-title-group xml:lang="en"><trans-title>Screening of early-maturing amaranth accessions from the VIR collection for the amino acid composition of 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/0000-0002-9967-7454</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соколова</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sokolova</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Диана Викторовна Соколова, кандидат биологических наук, старший научный сотрудник, ВИР</p><p>190000 Россия, Санкт-Петербург, ул. Б. Морская, 42, 44</p></bio><bio xml:lang="en"><p>Diana V. Sokolova, Cand. Sci. (Biology), Senior Researcher, VIR</p><p>42, 44 Bolshaya Morskaya Street, St. Petersburg 190000, Russia</p></bio><email xlink:type="simple">dianasokol@bk.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/0000-0002-6201-4294</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соловьева</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Solovyeva</surname><given-names>A E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алла Евгеньевна Соловьева, кандидат биологических наук, старший научный сотрудник, ВИР</p><p>190000 Россия, Санкт-Петербург, ул. Б. Морская, 42, 44</p></bio><bio xml:lang="en"><p>Alla E. Solovyeva, Cand. Sci. (Biology), Senior Researcher,  VIR</p><p>42, 44 Bolshaya Morskaya Street, St. Petersburg 190000, Russia</p></bio><email xlink:type="simple">alsol64@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3992-5353</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шеленга</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shelenga</surname><given-names>Tatiana V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна Васильевна Шеленга, кандидат биологических наук, ведущий научный сотрудник, ВИР</p><p>190000 Россия, Санкт-Петербург, ул. Б. Морская, 42, 44</p></bio><bio xml:lang="en"><p>Tatiana V. Shelenga, Cand. Sci. (Biology), Leading Researcher, VIR </p><p>42, 44 Bolshaya Morskaya Street, St. Petersburg 190000, Russia</p></bio><email xlink:type="simple">tatianashelenga@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральный исследовательский центр Всероссийский институт генетических ресурсов растений имени Н.И.  Вавилова<country>Россия</country></aff><aff xml:lang="en">N.I.  Vavilov All-Russian Institute of Plant Genetic Resources,<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Федеральный исследовательский центр Всероссийский институт генетических ресурсов растений имени Н.И.  Вавилова<country>Россия</country></aff><aff xml:lang="en">N.I.  Vavilov All-Russian Institute of Plant Genetic Resources<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>30</day><month>03</month><year>2026</year></pub-date><volume>187</volume><issue>1</issue><fpage>30</fpage><lpage>39</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Соколова Д.В., Соловьева А.Е., Шеленга Т.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Соколова Д.В., Соловьева А.Е., Шеленга Т.В.</copyright-holder><copyright-holder xml:lang="en">Sokolova D.V., Solovyeva A.E., Shelenga 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://elpub.vir.nw.ru/jour/article/view/2440">https://elpub.vir.nw.ru/jour/article/view/2440</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Амарант – ценная и перспективная культура многоцелевого использования, рекордсмен по содержанию полноценного белка в семенах и листьях. Обладает большим генетическим разнообразием, пластичностью и высокой адаптивной способностью к неблагоприятным условиям среды.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Материалом для исследования послужили семена 105 образцов амаранта из коллекции Всероссийского института генетических ресурсов растений имени Н.И. Вавилова (ВИР), выделенных в 2024 г. как скороспелые в нетипичных для культуры условиях Северо-Западного региона РФ. Содержание белка определяли по методу Кьельдаля, аминокислотный состав – методом ионообменной хроматографии.</p></sec><sec><title>Результаты</title><p>Результаты. В результате исследования определено содержание белка в семенах амаранта, идентифицирован аминокислотный профиль, включающий 17 аминокислот. Установлено, что в целом для зерновых форм амаранта характерна низкая вариабельность содержания белка. Выявлено достоверное превышение его уровня (+9,7%) в группе ультраскороспелых образцов. Показаны различия между группами спелости по содержанию серина, играющего значительную роль в формировании реакции растений на абиотические стрессы. Отмечены межвидовые различия аминокислотного состава семян у видов Amaranthus cruentus L. и A. hypochondriacus L. В результате скрининга отмечены генотипы, обладающие высоким содержанием белка, отдельных аминокислот, а также обладающие комплексом хозяйственно ценных признаков. Данные образцы рекомендуются для включения в селекционные программы по созданию скороспелых холодостойких сортов зернового амаранта с высоким выходом белка после получения устойчивых показателей хозяйственно ценных признаков в ходе последующего изучения выделившихся в текущем исследовании образцов.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. In recent years, with the growing awareness of the need for health protection among consumers and producers, nutritional trends have also changed, and the interest in functional foods has increased. Amaranth is a valuable and promising multipurpose crop, a record holder in the content of complete protein in seeds and leaves, possessing rich genetic diversity, plasticity, and high adaptability to unfavorable environmental conditions.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The objective was to assess amino acid profiles in 105 amaranth accessions from the collection of the N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR), previously identified as early-maturing under the conditions of Northwest Russia, atypical for this crop. Seed protein content was measured by the Kjeldahl method, and amino acid composition was analyzed using ion exchange chromatography.</p></sec><sec><title>Results</title><p>Results. The protein content of amaranth seeds was quantified, and the amino acid profile that included 17 amino acids was determined. Grain forms of amaranth manifested low variability in protein content. The group of ultra-early accessions showed a significant increase in protein levels (+9.8%). Differences were observed among the maturity groups in the content of serine, which plays a significant role in the formation of plant response to abiotic stresses. Interspecies differences in amino acid composition were recorded for Amaranthus cruentus L. and A. hypochondriacus L. The screening resulted in identifying genotypes with high protein content, high amounts of individual amino acids, and a set of valuable agronomic traits. Such accessions may be recommended for breeding programs aimed at the development of early cold-resistant cultivars of grain amaranth with high protein content after obtaining stable parameters of agronomic traits during subsequent analyses of the accessions identified in the current study.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>Amaranthus L.</kwd><kwd>урожайность семян</kwd><kwd>белок</kwd><kwd>генотип</kwd><kwd>коллекция ВИР</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Amaranthus L.</kwd><kwd>seed yield</kwd><kwd>protein</kwd><kwd>genotype</kwd><kwd>VIR collection</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Исследование выполнено при финансовой поддержке Российского научного фонда (проект № 24-26-00218).</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>This research was supported by the Russian Science Foundation under Project No. 24-26-00218.</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">Akin-Idowu P.E., Gbadegesin M.A., Orkpeh U., Ibitoye D.O., Odunola O.A. 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