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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Ecological genetics</journal-id><journal-title-group><journal-title xml:lang="en">Ecological genetics</journal-title><trans-title-group xml:lang="ru"><trans-title>Экологическая генетика</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1811-0932</issn><issn publication-format="electronic">2411-9202</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">5800</article-id><article-id pub-id-type="doi">10.17816/ecogen10450-55</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">ANALYSIS OF INTERACTION OF PEA (Pisum sativum L.) SYMBIOTIC GENES Sym33 AND Sym42 WHOSE MUTATIONS RESULT IN ABNORMALITES DURING INFECTION THREAD DEVELOPMENT</article-title><trans-title-group xml:lang="ru"><trans-title>Анализ взаимодействия симбиотических генов гороха (Pisum sativum L.) Sym33 и Sym42, мутации в которых приводят к аномалиям в развитии инфекционных нитей</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tsyganov</surname><given-names>Viktor E</given-names></name><name xml:lang="ru"><surname>Цыганов</surname><given-names>Виктор Евгеньевич</given-names></name></name-alternatives><email>viktor_tsyganov@arriam.spb.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tsyganova</surname><given-names>Anna V</given-names></name><name xml:lang="ru"><surname>Цыганова</surname><given-names>Анна Викторовна</given-names></name></name-alternatives><email>anna_khodorenko@arriam.spb.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Voroshilova</surname><given-names>Vera A</given-names></name><name xml:lang="ru"><surname>Ворошилова</surname><given-names>Вера Александровна</given-names></name></name-alternatives><email>vera.voroshilova@psi-cro.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Borisov</surname><given-names>Aleksey U</given-names></name><name xml:lang="ru"><surname>Борисов</surname><given-names>Алексей Юрьевич</given-names></name></name-alternatives><email>ayborisov@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tikhonovich</surname><given-names>Igor A</given-names></name><name xml:lang="ru"><surname>Тихонович</surname><given-names>Игорь Анатольевич</given-names></name></name-alternatives><email>contact@arriam.spb.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">All-Russia Research Institute for Agricultural Microbiology, Saint-Petersburg, RF</institution></aff><aff><institution xml:lang="ru">Всероссийский научно-исследовательский институт сельскохозяйственной микробиологии, Санкт-Петербург, РФ</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">All-Russia Research Institute for Agricultural Microbiology, Saint-Petersburg, RF</institution></aff><aff><institution xml:lang="ru">Всероссийский научно-исследовательский институт cельскохозяйственной микробиологии, Санкт-Петербург, РФ</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Contract Drug Development Company “PSI”, St. Petersburg, RF</institution></aff><aff><institution xml:lang="ru">ООО Пи Эс Ай, Санкт-Петербург, РФ</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2012-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2012</year></pub-date><volume>10</volume><issue>4</issue><issue-title xml:lang="en">VOL 10, NO4 (2012)</issue-title><issue-title xml:lang="ru">ТОМ 10, №4 (2012)</issue-title><fpage>50</fpage><lpage>55</lpage><history><date date-type="received" iso-8601-date="2016-11-18"><day>18</day><month>11</month><year>2016</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2012, Tsyganov V.E., Tsyganova A.V., Voroshilova V.A., Borisov A.U., Tikhonovich I.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2012, Цыганов В.Е., Цыганова А.В., Ворошилова В.А., Борисов А.Ю., Тихонович И.А.</copyright-statement><copyright-year>2012</copyright-year><copyright-holder xml:lang="en">Tsyganov V.E., Tsyganova A.V., Voroshilova V.A., Borisov A.U., Tikhonovich I.A.</copyright-holder><copyright-holder xml:lang="ru">Цыганов В.Е., Цыганова А.В., Ворошилова В.А., Борисов А.Ю., Тихонович И.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.eco-vector.com/ecolgenet/article/view/5800">https://journals.eco-vector.com/ecolgenet/article/view/5800</self-uri><abstract xml:lang="en"><p>Using pea single mutant lines SGEFix–-2 (sym33) and RisFixV (sym42), which are characterized by different abnormalities during symbiotic nodule development, including thickening of infection threads’ walls, a double mutant RBT4 line, carrying a pair of symbiotic genes sym33 and sym42 was constructed. The epistasis of the mutant allele sym33 over the mutant allele sym42 with respect to the histological and ultrastructural organisation of nodules was shown. Thus, it was demonstrated that Sym33 gene functions earlier in symbiotic nodule development than Sym42 gene.</p></abstract><trans-abstract xml:lang="ru"><p>С использованием одиночных мутантных линий горохаSGEFix–-2 (sym33) и RisFixV (sym42), характеризующихся различными аномалиями в развитии симбиотического клубенька, в том числе утолщенными стенками инфекционных нитей, была создана двойная мутантная линия RBT4, несущая пару симбиотических генов sym33 и sym42. Выявлен эпистаз мутантной аллели sym33 над мутантной аллелью sym42 в отношении гистологической и ультраструктурной организации клубеньков. Таким образом, показано функционирование гена Sym33 на более раннем этапе развития симбиотического клубенька, по сравнениюс геном Sym4</p></trans-abstract><kwd-group xml:lang="ru"><kwd>растительно-микробные взаимодействия</kwd><kwd>развитие симбиотического клубенька</kwd><kwd>взаимодействие генов</kwd><kwd>эпистаз</kwd><kwd>инфекционная нить</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Цыганов В. Е., Ворошилова В. А., Розов С. М. и др., 2012. Новая серия симбиотических мутантов гороха, индуцированных на линии SGE // Экол. генетика. Т. X. № 1. С. 19–26.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Цыганов В. Е., Селиверстова Е. В., Ворошилова В. А. и др., 2010. Анализ двойных мутантных линий для определения последовательности функционирования генов гороха (Pisum sativum L.) Sym13, Sym33 и Sym40 во время развития симбиотического клубенька // Экол. генетика. Т. VIII. № 2. 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