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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">Acta Naturae</journal-id><journal-title-group><journal-title xml:lang="en">Acta Naturae</journal-title><trans-title-group xml:lang="ru"><trans-title>Acta Naturae</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-8251</issn><publisher><publisher-name xml:lang="en">Acta Naturae Ltd</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">10447</article-id><article-id pub-id-type="doi">10.32607/20758251-2016-8-2-92-101</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Research Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Экспериментальные 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">Testing Transgenic Aspen Plants with bar Gene for Herbicide Resistance under Semi-natural Conditions</article-title><trans-title-group xml:lang="ru"><trans-title>Испытания трансгенных растений осины с геном bar на устойчивость к гербицидам в полунатуральных условиях</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lebedev</surname><given-names>V. G.</given-names></name><name xml:lang="ru"><surname>Лебедев</surname><given-names>В. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vglebedev@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Faskhiev</surname><given-names>V. N.</given-names></name><name xml:lang="ru"><surname>Фасхиев</surname><given-names>В. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vglebedev@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kovalenko</surname><given-names>N. P.</given-names></name><name xml:lang="ru"><surname>Коваленко</surname><given-names>Н. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vglebedev@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shestibratov</surname><given-names>K. A.</given-names></name><name xml:lang="ru"><surname>Шестибратов</surname><given-names>K. A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vglebedev@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Miroshnikov</surname><given-names>A. I.</given-names></name><name xml:lang="ru"><surname>Мирошников</surname><given-names>A. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vglebedev@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Branch of Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Филиал Института биоорганической химии им. академиков М.М. Шемякина и Ю.А. Овчинникова РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">Московский государственный университет им. М.В. Ломоносова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2016-06-15" publication-format="electronic"><day>15</day><month>06</month><year>2016</year></pub-date><volume>8</volume><issue>2</issue><issue-title xml:lang="en">VOL 8, NO2 (2016)</issue-title><issue-title xml:lang="ru">ТОМ 8, №2 (2016)</issue-title><fpage>92</fpage><lpage>101</lpage><history><date date-type="received" iso-8601-date="2020-01-17"><day>17</day><month>01</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2016, Lebedev V.G., Faskhiev V.N., Kovalenko N.P., Shestibratov K.A., Miroshnikov A.I.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2016, Лебедев В.Г., Фасхиев В.Н., Коваленко Н.П., Шестибратов K.A., Мирошников A.И.</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="en">Lebedev V.G., Faskhiev V.N., Kovalenko N.P., Shestibratov K.A., Miroshnikov A.I.</copyright-holder><copyright-holder xml:lang="ru">Лебедев В.Г., Фасхиев В.Н., Коваленко Н.П., Шестибратов K.A., Мирошников A.И.</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/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://actanaturae.ru/2075-8251/article/view/10447">https://actanaturae.ru/2075-8251/article/view/10447</self-uri><abstract xml:lang="en"><p>Obtaining herbicide resistant plants is an important task in the genetic engineering of forest trees. Transgenic European aspen plants (Populus tremula L.) expressing the bar gene for phosphinothricin resistance have been produced using Agrobacterium tumefaciens-mediated transformation. Successful genetic transformation was confirmed by PCR analysis for thirteen lines derived from two elite genotypes. In 2014-2015, six lines were evaluated for resistance to herbicide treatment under semi-natural conditions. All selected transgenic lines were resistant to the herbicide Basta at doses equivalent to 10 l/ha (twofold normal field dosage) whereas the control plants died at 2.5 l/ha. Foliar NH4-N concentrations in transgenic plants did not change after treatment. Extremely low temperatures in the third ten-day period of October 2014 revealed differences in freeze tolerance between the lines obtained from Pt of f2 aspen genotypes. Stable expression of the bar gene after overwintering outdoors was confirmed by RT-PCR. On the basis of the tests, four transgenic aspen lines were selected. The bar gene could be used for retransformation of transgenic forest trees expressing valuable traits, such as increased productivity.</p></abstract><trans-abstract xml:lang="ru"><p>Создание растений, устойчивых к гербицидам, является важным направлением в генной инженерии лесных древесных пород. С целью придания устойчивости к гербицидам на основе фосфинотрицина в растения осины обыкновенной (Populus tremula L.) методом агробактериальной трансформации перенесли ген bar, кодирующий фосфинотрицин-ацетилтрансферазу. Трансгенный статус 13 линий, полученных на основе двух элитных генотипов осины, подтвердили с помощью ПЦР. В 2014-2015 гг. оценили устойчивость шести линий к обработке гербицидом Basta в полунатуральных условиях. Трансгенные растения обладали устойчивостью к двукратной полевой дозе гербицида (10 л/га), тогда как контрольные погибли при воздействии 2.5 л/га. Содержание аммонийного азота в растениях с геном bar не изменилось после обработки гербицидом. Аномально низкая температура в третьей декаде октября 2014 г. выявила различия в зимостойкости линий, полученных на основе генотипов Pt или f2. Стабильность экспрессии гена bar после перезимовки в естественных условиях подтверждена методом ОТ-ПЦР. Отобраны четыре трансгенные линии осины, перспективные для проведения полевых испытаний. Ген bar может быть использован для переноса в трансгенные растения лесных пород, проявившие ценные признаки, например повышенную продуктивность.</p></trans-abstract><kwd-group xml:lang="en"><kwd>aspen</kwd><kwd>transgenic plants</kwd><kwd>bar gene</kwd><kwd>phosphinothricin</kwd><kwd>herbicide resistance</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ген bar</kwd><kwd>осина</kwd><kwd>трансгенные растения</kwd><kwd>устойчивость к гербицидам</kwd><kwd>фосфинотрицин</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This work was financially supported by the Ministry of Education and Science of the Russian Federation (GK No. 14.M04.12.0009 dated 06/27/2014).</funding-statement><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Минобрнауки РФ (ГК № 14.М04.12.0009 от 27.06.2014).</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>[1] Baum S., Weih M., Busch G., Kroiher F., Bolte A. // Landbauforschung. 2009, V.59, P.163-170</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>[2] Bubnov A.A. // Proceedings of the Saint Petersburg Forestry Research Institute. 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