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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8323-2020-64-3-325-331</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-887</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>БИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOLOGY</subject></subj-group></article-categories><title-group><article-title>Активация гена пероксидазы в клетках растений картофеля, экспрессирующих ген антимикробного пептида MsrA1</article-title><trans-title-group xml:lang="en"><trans-title>Activation of the peroxidase gene in potato plants expressing the gene of antimicrobial peptide MsrA1</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>Мисюкевич</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Misyukevich</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мисюкевич Алла Юрьевна – мл. науч. сотрудник</p><p>ул. Академическая, 27, 220072, Минск </p></bio><bio xml:lang="en"><p>Misiukevich Ala Yu. – Junior researcher</p><p>27, Akademicheskaya Str., 220072, Minsk </p></bio><email xlink:type="simple">alla.misyukevich.91@mail.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>Гапеева</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gapeeva</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гапеева Тамара Александровна – канд. биол. наук, ст. науч. сотрудник</p><p>ул. Академическая, 27, 220072, Минск </p></bio><bio xml:lang="en"><p>Gapeeva Тамаra A. – Ph. D. (Biology), Senior researcher</p><p>27, Akademicheskaya Str., 220072, Minsk </p></bio><email xlink:type="simple">Gapeeva@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>Третьякова</surname><given-names>Т. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Tretyakova</surname><given-names>T. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Третьякова Татьяна Геннадиевна – мл. науч. сотрудник</p><p>ул. Академическая, 27, 220072, Минск </p></bio><bio xml:lang="en"><p>Tretyakova Tatiana G. – Junior researcher</p><p>27, Akademicheskaya Str., 220072, Minsk </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Семанюк</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Semanyuk</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Семанюк Тамара Владимировна – ст. науч. сотрудник</p><p>ул. Ковалева, 2а, 223013, Самохваловичи, Минский р-н, Минская обл. </p></bio><bio xml:lang="en"><p>Semanyuk Tamara V. – Senior Researcher</p><p>2а, kovalev Str., 223013, Samokhvalovichi, Minsk district, Minsk region </p></bio><email xlink:type="simple">safto@rambler.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Волотовский</surname><given-names>И. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Volotovski</surname><given-names>I. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Волотовский Игорь Дмитриевич – академик, д-р биол. наук, профессор, заведующий лабораторией</p><p>ул. Академическая, 27, 220072, Минск </p></bio><bio xml:lang="en"><p>Volotovski Igor D. – Academician, D. Sc. (Biology), Professor, Head of the Laboratory</p><p>27, Akademicheskaya Str., 220072, Minsk </p></bio><email xlink:type="simple">volotovski@yahoo.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт биофизики и клеточной инженерии Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Biophysics and Cell Engineering of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-практический центр Национальной академии наук Беларуси по картофелеводству и плодоовощеводству</institution></aff><aff xml:lang="en"><institution>Scientific and Practical Center of the National Academy of Sciences of Belarus on Potato and Fruit and Vegetable Growing</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>09</day><month>07</month><year>2020</year></pub-date><volume>64</volume><issue>3</issue><fpage>325</fpage><lpage>331</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мисюкевич А.Ю., Гапеева Т.А., Третьякова Т.Г., Семанюк Т.В., Волотовский И.Д., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Мисюкевич А.Ю., Гапеева Т.А., Третьякова Т.Г., Семанюк Т.В., Волотовский И.Д.</copyright-holder><copyright-holder xml:lang="en">Misyukevich A.Y., Gapeeva T.A., Tretyakova T.G., Semanyuk T.V., Volotovski I.D.</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://doklady.belnauka.by/jour/article/view/887">https://doklady.belnauka.by/jour/article/view/887</self-uri><abstract><p>Антимикробный пептид MsrA1 является искусственной рекомбинантной молекулой, полученной на основе цекропина А личинки североамериканского шелкопряда и мелиттина пчелы медоносной. Трансгенные растения белорусского сорта картофеля Одиссей с конститутивно экспрессируемым геном MsrA1 обладают повышенной устойчивостью к грибным патогенам Phytophthora infestans и Alternaria solani. С использованием методов кДНК–ПЦР и ДНК-секвенирования показано, что в клетках данных растений в отсутствие фитопатогенной инфекции наблюдается активация экспрессии гена пероксидазы класса POX. Увеличение экспрессии гена данного фермента косвенно свидетельствует о повышенном образовании активных форм кислорода, что может определять особую устойчивость к грибным патогенам. Полученные данные подтверждают также возможность участия внутриклеточного гетерологичного антимикробного пептида в формировании устойчивости к окислительному стрессу путем активации защитной системы растения-хозяина.</p></abstract><trans-abstract xml:lang="en"><p>Antimicrobial peptide MsrA1 is a synthetic hybrid molecule based on cecropin A from giant silk moth larvae and on melittin from melliferous bee venom. Transgenic potato plants of the Belarusian variety Odyssey with the constitutive expressiоn of msrA1 gene are shown to exhibit increased resistance to fungal pathogens Phytophthora infestans and Alternaria solani. Peroxidase genes expression studies using cDNA-PCR and DNA sequencing revealed the activation of the POX peroxidase gene in transgenic plants in the absence of pathogens. This may be indirect evidence of the increased formation of reactive oxygen species, which may explain special resistance to fungal pathogens. The data obtained also confirm a possible role of intracellular antimicrobial peptide in making the plants more resistant to oxidative stress by the way of activation of the host plant defense system.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>антимикробный пептид</kwd><kwd>картофель</kwd><kwd>трансгенные растения</kwd><kwd>устойчивость к грибным фитопатогенам</kwd><kwd>пероксидаза</kwd></kwd-group><kwd-group xml:lang="en"><kwd>antimicrobial peptide</kwd><kwd>potato</kwd><kwd>transgenic plants</kwd><kwd>resistance to fungal phytopathogens</kwd><kwd>peroxidase</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">Short Cationic Peptidomimetic Antimicrobials / R. kuppusamy [et al.] // Antibiotics (Basel). – 2019. – Vol. 8, N 2. – P. 44. https://doi.org/10.3390/antibiotics8020044</mixed-citation><mixed-citation xml:lang="en">kuppusamy R., Willcox M., Black D. 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