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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">10.30901/2227-8834-2021-1-33-40</article-id><article-id custom-type="elpub" pub-id-type="custom">vir-nw-867</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>Изучение потенциальной зимостойкости сортообразцов и генотипов озимой мягкой пшеницы с помощью анализа автофлуоресценции тканей проростков</article-title><trans-title-group xml:lang="en"><trans-title>Assessment of potential winter hardiness in winter bread wheat cultivars and genotypes by analyzing autofluorescence in seedling tissues</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>Кархардин</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Karkhardin</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630039, г. Новосибирск, ул. Добролюбова, 160; старший преподаватель</p></bio><bio xml:lang="en"><p>160 Dobrolyubova St., Novosibirsk 630039</p></bio><email xlink:type="simple">ikarkhardin@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>Коновалов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Konovalov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630090, г. Новосибирск, пр. Академика Лаврентьева, 10; старший научный сотрудник; д.б.н.</p><p> </p></bio><bio xml:lang="en"><p> 10 Lavrentyeva Ave., Novosibirsk 630090</p></bio><email xlink:type="simple">konov@bionet.nsc.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гончаров</surname><given-names>Н. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Goncharov</surname><given-names>N. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630039, г. Новосибирск, ул. Добролюбова, 160</p><p>630090, г. Новосибирск, пр. Академика Лаврентьева, 10; академик РАН; д.б.н.; профессор</p></bio><bio xml:lang="en"><p>160 Dobrolyubova St., Novosibirsk 630039</p><p>10 Lavrentyeva Ave., Novosibirsk 630090</p></bio><email xlink:type="simple">gonch@bionet.nsc.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Новосибирский государственный аграрный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novosibirsk State Agrarian University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральный исследовательский центр Институт цитологии и генетики Сибирского отделения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Cytology and Genetics, Siberian Branch of the RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Новосибирский государственный аграрный университет;  &#13;
Федеральный исследовательский центр Институт цитологии и генетики Сибирского отделения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novosibirsk State Agrarian University; Institute of Cytology and Genetics, Siberian Branch of the RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>01</day><month>04</month><year>2021</year></pub-date><volume>182</volume><issue>1</issue><fpage>33</fpage><lpage>40</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кархардин И.В., Коновалов А.А., Гончаров Н.П., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Кархардин И.В., Коновалов А.А., Гончаров Н.П.</copyright-holder><copyright-holder xml:lang="en">Karkhardin I.V., Konovalov A.A., Goncharov N.P.</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/867">https://elpub.vir.nw.ru/jour/article/view/867</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Озимые посевы зерновых культур являются наиболее продуктивным компонентом агроценозов. В РФ наибольшие потери озимой пшеницы происходят  в зимний  период,  поэтому  поиск  признаков, маркирующих  высокую/низкую  зимостойкость  озимых  генотипов  растений,  в том  числе  селекционных образцов, необходим для оценки их потенциальной зимостойкости.  Одним  из  таких  признаков,  маркирующих  высокую  зимостойкость,  является  повышенное содержание  лигнина  в тканях  растений.  Терминальным  ферментом  фенилпропаноидного  пути  метаболизма, в котором образуются компоненты лигнина, является  дегидрогеназа  коричного  спирта –  CAD  (cinnamyl-alcohol dehydrogenase, EC 1.1.1.195). Фермент CAD является одним из ферментов ароматического метаболизма растений, приводящего к формированию, кроме лигнина, ряда других ароматических веществ – лигнанов, ароматических гликозидов и т. д. Многие из этих веществ,  как  и лигнин,  имеют  хромофорные  группы и способны к автофлуоресценции.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В качестве объекта исследования использовали сорта озимой мягкой пшеницы ‘Zitnica’ (Югославия) и ‘Новосибирская 9’  (ИЦиГ  СО  РАН, Россия), контрастные по зимостойкости и по изоферментным спектрам CAD, их гибриды и28 озимых сортов краснодарской селекции. Также проведен анализ флуоресценции 28 сортов озимой пшеницы. По результатам анализа семи наиболее контрастных сортов вычислены коэффициенты корреляции между флуоресценцией и устойчивостью к промораживанию.</p></sec><sec><title>Заключение</title><p>Заключение.  Показана  связь  генотипов  озимой  мягкой пшеницы по CAD1-F с успешной перезимовкой: обнаружена корреляция генотипов с аллелем 00 CAD1-F с более высоким процентом перезимовавших растений. Анализ флуоресценции срезов проростков также может  быть  использован  для  предварительной  оценки селекционных образцов по зимостойкости. Это, несомненно, может упростить трудоемкий анализ определения зимостойкости в лабораторных исследованиях.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Winter crops are the most productive component of agricultural biocenoses. In Russia, winter wheat suffers the greatest losses in winter, so a search for traits marking high or low winter hardiness in autumn-sown genotypes, including improved cultivars, is needed to assess their potential for overwintering. One of such markers of high winter hardiness is an increased lignin content in plant tissues. The terminal enzyme in the phenylpropanoid pathway of metabolism, wherein lignin components are formed, is cinnamyl-alcohol dehydrogenase (CAD, EC 1.1.1.195). In plants, the CAD enzyme is one of the links in the aromatic metabolism, which generates, in addition to lignin, a number of aromatic compounds, such as lignans, aromatic glycosides, etc. Many of these compounds, like lignin, contain chromophore groups and are capable of autofluorescence. Correlations of the genotypes that incorporate CAD1-F with overwintering are studied in this work.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The winter bread wheat cultivars ‘Zitnica’ (Yugoslavia) and ‘Novosibirskaya 9’ (ICG SB RAS, Russia), contrasting in winter hardiness and CAD isozyme spectra, their hybrids, and 28 improved winter cultivars developed in Krasnodar were selected for the study. Fluorescence analysis of 28 winter wheat cultivars was also performed. Correlation coefficients between fluorescence and frost tolerance were calculated using the results of the analysis of 7 most contrasting cultivars.</p></sec><sec><title>Conclusions</title><p>Conclusions. The tested winter bread wheat genotypes demonstrated the interplay between CAD1-F and successful overwintering: a correlation was found in the genotypes carrying the 00 CAD1-F allele with higher percentage of overwintered plants. This dependence was not observed in every season. The analysis of seedling sections for fluorescence can also be used for preliminary assessment of winter tolerance in winter bread wheat under laboratory conditions.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>Triticum aestivum</kwd><kwd>конфокальная микроскопия</kwd><kwd>CAD (дегидрогеназа коричного спирта)</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Triticum aestivum</kwd><kwd>confocal microscopy</kwd><kwd>CAD  (cinnamyl-alcohol dehydrogenase)</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа поддержана бюджетным проектом № 0259-2021-0012.</funding-statement><funding-statement xml:lang="en">The research was supported by Budgetary Project No. 0259-2021-0012.</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">Cheynier V., Comte G., Davies K.M., Lattanzio V., Martens S. 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