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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/VJ19.545</article-id><article-id custom-type="elpub" pub-id-type="custom">vavilov-2262</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>Биология развития растений</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Developmental biology of plants</subject></subj-group></article-categories><title-group><article-title>Ген WF1 (White flower  1) белоцветковости и сроки цветения линий картирующей популяции льна (Linum usitatissimum L.)</article-title><trans-title-group xml:lang="en"><trans-title>The WF1 (White Flower  1) gene controlling the white color of petals and flowering time in lines from a mapping population of flax  (Linum usitatissimum L.)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2253-6263</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Брач</surname><given-names>Н. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Brutch</surname><given-names>N. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург.</p></bio><bio xml:lang="en"><p>St. Petersburg.</p></bio><email xlink:type="simple">n.brutch@vir.nw.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/0000-0002-1576-8771</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Матвиенко</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Matvienko</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург.</p></bio><bio xml:lang="en"><p>St. Petersburg.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8328-9684</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пороховинова</surname><given-names>E. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Porokhovinova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург.</p></bio><bio xml:lang="en"><p>St. Petersburg.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5098-4904</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Павлов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pavlov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург.</p></bio><bio xml:lang="en"><p>St. Petersburg.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральный исследовательский центр Всероссийский институт генетических ресурсов растений им. Н.И. Вавилова (ВИР)<country>Россия</country></aff><aff xml:lang="en">Federal Research Center the N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR)<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>10</day><month>10</month><year>2019</year></pub-date><volume>23</volume><issue>6</issue><fpage>717</fpage><lpage>722</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Брач Н.Б., Матвиенко И.И., Пороховинова E.А., Павлов А.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Брач Н.Б., Матвиенко И.И., Пороховинова E.А., Павлов А.В.</copyright-holder><copyright-holder xml:lang="en">Brutch N.B., Matvienko I.I., Porokhovinova E.A., Pavlov A.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/2262">https://vavilov.elpub.ru/jour/article/view/2262</self-uri><abstract><p>Лен (Linum usitatissimum L.) выращивают в различных климатических зонах как яровую и озимую культуру. Приспособление к различным  условиям произрастания привело к появлению  генотипов с разным вегетационным периодом и различной степенью фоточувствительности. В то же время  для селекционеров быстро развивающиеся, и в частности раноцветущие, сорта всегда имели большое значение. Изучение линий генетической коллекции льна ВИР выявило широкое  внутривидовое разнообразие по продолжительности фаз вегетационного периода,  числу листьев  на стебле (физиологическому показателю  раннего  цветения)  и степени  фоточувствительности. У раноцветущей в условиях длинного дня, но сильно фоточувствительной линии гк-109 был идентифицирован ген белоцветковости wf1, ассоциированный с ранним цветением и малым количеством листьев. Эту линию скрестили  с поздноцветущей, но слабо фоточувствительной линией гк-375, имеющей красно-фиолетовые цветки. При изучении расщепления F2 в условиях длинного (19 ч) и короткого (12 ч – длина дня на экваторе) дня установлено,  что число листьев на стебле растения  ассоциировано со временем цветения  и контролируется близкими генетическими системами только на длинном дне. Кроме того, на коротком  дне не проявлялась связь между временем цветения  и цветом лепестков. Таким образом,  при разных режимах освещения активны разные  группы генов. Из растений  гибридной  популяции было получено  более  200 линий 6-го поколения инбридинга. Их тестирование в полевых условиях длинного дня показало,  что хотя большинство  белоцветковых линий зацветало рано и имело малое количество листьев, часть из них цвела поздно и была более облиственна. Среди линий с окрашенными цветками наоборот появились раноцветущие и малооблиственные. Таким образом, можно сделать вывод о том, что в мейозе  F1 произошел кроссинговер между геном, участвующим в контроле раннего  цветения, пришедшим от линии гк-109, и ее геном wf1. Сцепление генов раннего  цветения  и белоцветковости свидетельствует о возможности использования цвета лепестков  как маркера раннего  цветения при отборе скороспелого селекционного материала.</p></abstract><trans-abstract xml:lang="en"><p>Flax (Linum usitatissimum  L.) is grown  in different  climatic zones  as both  a spring  and  winter  crop. Adaptation to different growing conditions produced genotypes with different growth  durations and degrees of photosensitivity. It was always of great importance for breeders to create varieties with rapid development, in particular, early-flowering ones. The evaluation of lines from the VIR flax genetic collection revealed  a wide intraspecific diversity in the duration of growth  phases,  the number of leaves on the stem  (physiological indicator  of early flowering), and the degree of photosensitivity. Line gc-109, early flowering under the long-day conditions, but greatly photosensitive, was found to possess the wf1 (white flowers) gene, associated with early flowering and a small number of leaves. This line was crossed to the late-flowering but low-photosensitive line gc-375, which had reddish purple flowers. The analysis of segregation in F2 held under  the long (19 hours) and short (12 hours, daylength at the equator) day conditions showed that  the number of leaves on the plant stem was associated with the flowering time and controlled by close genetic systems only under the long-day conditions. In addition, no relationship between the flowering time and petal color was found under  the short-day  conditions. Thus, different groups  of genes  are active in different light schedules. More than 200 lines of the 6th generation of inbreeding were obtained from the plants of the hybrid population. Their field testing under  the long-day  conditions showed that  although the majority of the lines with white petals  flowered early and had a small number of leaves, some of them bloomed later and were leafier. On the contrary, the early flowering and less leafy lines appeared among the lines with colored flowers. Therefore, it is reasonable to assume  that a crossover between the gene  participating in the control of early flowering, which came from the gc-109 line, and its wf1 gene occurred  in meiosis of F1. The linkage between the genes  controlling  early flowering and white petals  suggests that flower color can serve as a marker of early flowering in the selection of early breeding material.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лен</kwd><kwd>фоточувствительность</kwd><kwd>скороспелость</kwd><kwd>окраска цветка</kwd><kwd>сцепление</kwd></kwd-group><kwd-group xml:lang="en"><kwd>flax</kwd><kwd>photosensitivity</kwd><kwd>earliness</kwd><kwd>flower color</kwd><kwd>linkage</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Brutch N.B. The development of methods used for evaluation of the inheritance of quantitative characters. Trudy po Prikladnoy Botanike, Genetike i Selektsii = Proceedings on Applied Botany, Genetics and Breeding. 2011;167:23­35. (in Russian)</mixed-citation><mixed-citation xml:lang="en">Brutch N.B. 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