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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">vestib</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной  академии наук Беларуси. Серия биологических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Biological Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1029-8940</issn><issn pub-type="epub">2524-230X</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vestib-291</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></article-categories><title-group><article-title>ВЛИЯНИЕ НИТРОПИРИНА НА ПОВЫШЕНИЕ СОЛЕУСТОЙЧИВОСТИ РАСТЕНИЙ ЯЧМЕНЯ (HORDEUM VULGARE L.)</article-title><trans-title-group xml:lang="en"><trans-title>NITROPIRIN CONTRIBUTES TO THE ENHANCEMENT OF PLANT SALT TOLERANCE OF BARLEY (HORDEUM VULGARE L.)</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>Аверина</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Averina</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>гл. науч. сотрудник, профессор</p></bio><bio xml:lang="en"><p>Сhief researcher, Professor</p></bio><email xlink:type="simple">averina@ibp.org.by</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>Щербаков</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sherbakov</surname><given-names>R. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. биол. наук, науч. сотрудник</p></bio><bio xml:lang="en"><p>Ph. D. (Biol.), Researcher</p></bio><email xlink:type="simple">sherbakov@ibp.org.by</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>Недведь</surname><given-names>Е. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Nedved</surname><given-names>E. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. биол. наук, науч. сотрудник</p></bio><bio xml:lang="en"><p>Ph. D. (Biol.), Researcher</p></bio><email xlink:type="simple">nedved_e@tut.by</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>Минков</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Minkov</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>профессор, заведующий кафедрой</p></bio><bio xml:lang="en"><p>Professor, Head of the Department</p></bio><email xlink:type="simple">minkov@argonacad.bg</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Институт биофизики и клеточной инженерии НАН Беларуси</institution><country>Belarus</country></aff><aff xml:lang="ru" id="aff-2"><institution>Пловдивский университет</institution><country>Bulgaria</country></aff><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>04</day><month>08</month><year>2017</year></pub-date><volume>0</volume><issue>2</issue><fpage>33</fpage><lpage>39</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Аверина Н.Г., Щербаков Р.А., Недведь Е.Л., Минков И.Н., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Аверина Н.Г., Щербаков Р.А., Недведь Е.Л., Минков И.Н.</copyright-holder><copyright-holder xml:lang="en">Averina N.G., Sherbakov R.A., Nedved E.L., Minkov I.N.</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://vestibio.belnauka.by/jour/article/view/291">https://vestibio.belnauka.by/jour/article/view/291</self-uri><abstract><p>Изучено влияние Нитропирина® (НП), представляющего собой смесь кофакторов ключевого фермента ассимиляции неорганического азота – нитратредуктазы (НР), на активность фермента в 7-дневных проростках ячменя, выращиваемых на поверхности воды, при возрастании содержания НР-белка, а также в условиях засоления, создаваемого NaCl. Выращивание растений на растворах НП увеличивало общую активность НР на 21 %, а ее активную форму – на 76 %. Субстратная индукция НР с помощью KNO3 (20 мМ), приводящая к возрастанию содержания НР-белка, повышала в присутствии НП активность НР в среднем на 60 %, что может свидетельствовать о лимитировании активности НР на уровне ее кофакторов как в норме, так и при увеличении содержания фермента. В присутствии KNO3 и активатора НР (экзогенной 5-аминолевулиновой кислоты) НП способствовал формированию высокой солеустойчивости растений ячменя, выращиваемых на растворах NaCl (150 мМ), на ранних стадиях их вегетации, что проявлялось в стимуляции ростовых процессов, повышении активности НР и содержания пролина, а также в снижении уровня АФК, детектируемом по способности растений генерировать супероксид анион-радикал. </p></abstract><trans-abstract xml:lang="en"><p>The influence of Nitropirin® (NP), which is a mixture of the key enzyme cofactors of assimilation of inorganic nitrogen-nitrate reductase (NR) on enzyme activity in 7-day barley grown on the surface of the water, in the face of increasing male-content protein as well as in conditions of salinity produced by NaCl were investigated. Growing plants on solutions of NP increased general activity NR on 21 % and its active form at 76 %. Substrate induction NR using KNO3 (20 mm), leading to increased male-content of protein, increased in the presence of the NP NR activity an average of 60 %, which may indicate a limit the HP activity at the level of its cofactors as normal and when you increase the enzyme content. In the presence of KNO3 and HP Activator (exogenous 5-aminolevulinic acid) NP contributed to high salt tolerance of barley plants grown on NaCl solutions (150 mm), in the early stages of vegetation that was manifested in the stimulation of growth processes, increase the activity of NR and proline content, as well as in reducing AFC, detektiruemom on the ability of plants to generate the superoxide anion radical. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>Hordeum vulgare</kwd><kwd>potassium nitrate</kwd><kwd>5-аминолевулиновая кислота</kwd><kwd>Нитропирин®</kwd><kwd>нитратредуктаза</kwd><kwd>пролин</kwd><kwd>супероксид анион-радикал</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Hordeum vulgare</kwd><kwd>нитрат калия</kwd><kwd>5-aminolevulinic acid</kwd><kwd>Nitropirin®</kwd><kwd>nitrogen-nitrate reductase</kwd><kwd>proline</kwd><kwd>superoxide anion radical</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">Garg, S. 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