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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-330</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 ВОДНОГО ДЕФИЦИТА НА ПАРАМЕТРЫ ВОДООБМЕНА МЕЗОФИЛЛА ЛИСТЬЕВ МОДИФИЦИРОВАННЫХ ПО ГЕНАМ PIP АКВАПОРИНОВ РАСТЕНИЙ ARABIDOPSIS THALIANA (L.) HEYNH.</article-title><trans-title-group xml:lang="en"><trans-title>IMPACT OF WATER DEFICIT ON THE PARAMETERS OF THE WATER EXCHANGE OF LEAVE MESOPHYLL OF MODIFIED ON THE PIP AQUAPORINS GENES ARABIDOPSIS THALIANA (L.) HEYNH. PLANTS</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>Зубей</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Zubei</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>науч. сотрудник</p><p>ул. Академическая, 27, 220072</p></bio><bio xml:lang="en"><p>Researcher</p><p>27, Akademicheskaya Str., 220072</p></bio><email xlink:type="simple">katya.zubej@yandex.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>Реуцкий</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Reutskiy</surname><given-names>V. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р биол. наук, профессор</p><p>ул. Академическая, 27, 220072</p></bio><bio xml:lang="en"><p>D. Sc. (Biol.), Professor</p><p>27, Akademicheskaya Str., 220072</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт экспериментальной ботаники им. В. Ф. Купревича НАН Беларуси, Минск</institution></aff><aff xml:lang="en"><institution>V. F. Kuprevich Institute of Experimental Botany of the National Academy of Sciences of Belarus, Minsk</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>16</day><month>12</month><year>2017</year></pub-date><volume>0</volume><issue>4</issue><fpage>88</fpage><lpage>95</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Зубей Е.С., Реуцкий В.Г., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Зубей Е.С., Реуцкий В.Г.</copyright-holder><copyright-holder xml:lang="en">Zubei E.S., Reutskiy V.G.</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/330">https://vestibio.belnauka.by/jour/article/view/330</self-uri><abstract><p>Исследованы особенности водообмена листьев растений Arabidopsis thaliana, генетически модифицированных по PIP аквапоринам, при разном водном потенциале субстрата. Показано, что аквапорины PIP1 подгруппы оказывают существенное влияние на скорость устьичной водоотдачи, a вклад аквапоринов подгруппы PIP2 в поступление воды в клетки мезофилла более значим.</p><p>Показано, что модифицированные растения менее устойчивы к водному стрессу, чем растения дикого типа. Повышенная экспрессия PIP аквапоринов приводит к увеличению гигроморфности структуры листа, наименее устойчив к водному стрессу сверхэкспрессор pip2;2-23. В условиях водного стресса у растений knockout pip2;1-2 повышается устойчивость ткани мезофилла к обезвоживанию. </p></abstract><trans-abstract xml:lang="en"><p>The characteristics of water exchange of leaves of Arabidopsis thaliana plants, genetically modified on PIP aquaporins, at different substrate water potential. It is assumed that aquaporins PIP1 subgroup have a significant impact on the rate of stomatal water loss, the contribution of PIP2 aquaporins subgroup in a more significant flow of water into the mesophyll cells.</p><p>It is shown that the modified plants are less resistant to water stress than the wild-type plant. Increased expression of PIP aquaporins increases hygromorphic leaf structure, less resistant to water stress were overexpressor pip2; 2-23. Under the conditions of water stress in plants knockout pip2; 1-2 increases resistance to mesophyll tissue dehydration.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>водообмен</kwd><kwd>PIP аквапорины</kwd><kwd>водный стресс</kwd><kwd>генетически модифицированные растения Arabidopsis thaliana (L.) Heynh.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>water exchange</kwd><kwd>PIP aquaporins</kwd><kwd>water stress</kwd><kwd>genetically modified plants Arabidopsis thaliana (L.) 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