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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 custom-type="elpub" pub-id-type="custom">vavilov-31</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>Статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>ЭФФЕКТИВНОСТЬ ГЕНОВ ВОЗРАСТНОЙ УСТОЙЧИВОСТИ ПШЕНИЦЫ К БУРОЙ РЖАВЧИНЕ Lr22b, Lr34, Lr37 В ЗАПАДНОЙ СИБИРИ И ЦИТОФИЗИОЛОГИЧЕСКАЯ ОСНОВА ИХ ДЕЙСТВИЯ</article-title><trans-title-group xml:lang="en"><trans-title>EFFECTIVENESS OF THE WHEAT Lr22b, Lr34, AND Lr37 GENES FOR ADULT PLANT RESISTANCE TO LEAF RUST IN WEST SIBERIA AND THE CYTOPHYSIOLOGICAL BASIS OF THEIR ACTION</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>Плотникова</surname><given-names>Л. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Plotnikova</surname><given-names>L. Ya.</given-names></name></name-alternatives><email xlink:type="simple">lplotnikova@rambler.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>Штубей</surname><given-names>Т. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Shtubey</surname><given-names>T. Yu.</given-names></name></name-alternatives><email xlink:type="simple">lplotnikova@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Омский государственный аграрный университет им. П.А. Столыпина, Омск, Россия<country>Россия</country></aff><aff xml:lang="en">Omsk Stolypin Agrarian University, Omsk, Russia<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2012</year></pub-date><pub-date pub-type="epub"><day>10</day><month>12</month><year>2014</year></pub-date><volume>16</volume><issue>1</issue><fpage>123</fpage><lpage>131</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Плотникова Л.Я., Штубей Т.Ю., 2014</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Плотникова Л.Я., Штубей Т.Ю.</copyright-holder><copyright-holder xml:lang="en">Plotnikova L.Y., Shtubey T.Y.</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/31">https://vavilov.elpub.ru/jour/article/view/31</self-uri><abstract><p>Эффективность генов возрастной устойчивости пшеницы к бурой ржавчине изучали на юге Западной Сибири с использованием сорта Тэтчер (Тс), несущего ген Lr22b, и его почти изогенных линий ТсLr34 и ТсLr37. Ген Lr22b был неэффективен, Lr34 снижал скорость развития болезни при среднесуточной температуре ниже 16 ºС, но был мало эффективен при температуре выше 20 ºС. Ген Lr37 обеспечивал высокую защиту от болезни независимо от внешних условий. На стадии колошения линии TcLr34 и TcL37 проявляли сходные компоненты частичной устойчивости: уменьшение количества и размеров пустул, подавление размножения гриба. Цитологические исследования показали, что на обеих линиях было частично подавлено образование структур Puccinia triticina на поверхности и в тканях (аппрессориев и гаусториев), но реакция сверхчувствительности (СВЧ) не проявлялась. Установлены механизмы устойчивости в форме окислительного взрыва при контакте аппрессориев с устьицами и каллозно-лигниновых отложений. Цвет автофлюоресценции лигнина отличался от свечения, характерного для взаимодействий, связанных с реакцией СВЧ. Гены Lr34 и Lr37 оказывали плейотропное действие на патогенез.</p></abstract><trans-abstract xml:lang="en"><p>The effect of genes for adult plant resistance to leaf rust has been explored in southern West Siberia by the examples of common wheat cv. Thatcher (Tc), carrying the Lr22b gene, and its near-isogenic lines TcLr34 and TcLr37. Lr22b is ineffi cient, Lr34 slows down the disease development at a mean daily temperature below 16 ºС, but is poorly efficient at temperatures above 20 ºС. Lr37 confers high resistance under all conditions. At the heading stage, TcLr34 and TcLr37 show similar components of partial resistance to rust: reduction in the number and sizes of spots and sporogenesis suppression. Cytological examination has revealed partial suppression of the formation of Puccinia triticina infection signs (appressoria and haustorium) without hypersensitive reaction (HR). Additional defense mechanisms include an oxidative burst induced by contacts of appressoria with stomata and callose-lignine appositions on the wall. Auto fluorescence of lignins in TcLr34 and TcLr37 lines differs from the glow typical of HR-accompanied combinations. The Lr34 and Lr37 genes exert a pleiotropic action on pathogenesis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>мягкая пшеница</kwd><kwd>бурая ржавчина</kwd><kwd>гены возрастной устойчивости</kwd><kwd>цитология</kwd><kwd>окислительный взрыв</kwd><kwd>каллоза</kwd><kwd>лигнин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>common wheat</kwd><kwd>leaf rust</kwd><kwd>adult resistance genes</kwd><kwd>cytology</kwd><kwd>oxidative burst</kwd><kwd>callose</kwd><kwd>lignin</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">Ишкова Т.И., Гультяева Е.И., Левитин М.М. 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