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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">vavilov</journal-id><journal-title-group><journal-title xml:lang="ru">Вавиловский журнал генетики и селекции</journal-title><trans-title-group xml:lang="en"><trans-title>Vavilov Journal of Genetics and Breeding</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2500-3259</issn><publisher><publisher-name>Institute of Cytology and Genetics of Siberian Branch of the RAS</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vavilov-148</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><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>ВЛИЯНИЕ ПОВЫШЕННОЙ ТЕМПЕРАТУРЫ НА ВЫЖИВАЕМОСТЬ DROSOPHILA MELANOGASTER, ИНФИЦИРОВАННЫХ ПАТОГЕННЫМ ШТАММОМ БАКТЕРИЙ WOLBACHIA</article-title><trans-title-group xml:lang="en"><trans-title>EFFECT OF ELEVATED TEMPERATURE ON THE SURVIVAL OF DROSOPHILA MELANOGASTER INFECTED WITH A PATHOGENIC WOLBACHIA STRAIN</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>Струнов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Strunov</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">strunov.anton@gmail.com</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>Илинский</surname><given-names>Ю. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Ilinskii</surname><given-names>Yu. Yu.</given-names></name></name-alternatives><email xlink:type="simple">strunov.anton@gmail.com</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>Захаров</surname><given-names>И. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Zakharov</surname><given-names>I. K.</given-names></name></name-alternatives><email xlink:type="simple">strunov.anton@gmail.com</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>Киселева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kiseleva</surname><given-names>E. V.</given-names></name></name-alternatives><email xlink:type="simple">strunov.anton@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральное государственное бюджетное научное учреждение «Федеральный исследовательский центр Институт цитологии и генетики Сибирского отделения Российской академии наук», Новосибирск, Россия<country>Россия</country></aff><aff xml:lang="en">Institute of Cytology and Genetics SB RAS, Novosibirsk, Russia<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2013</year></pub-date><pub-date pub-type="epub"><day>26</day><month>12</month><year>2014</year></pub-date><volume>17</volume><issue>2</issue><fpage>265</fpage><lpage>276</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Струнов А.А., Илинский Ю.Ю., Захаров И.К., Киселева Е.В., 2014</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Струнов А.А., Илинский Ю.Ю., Захаров И.К., Киселева Е.В.</copyright-holder><copyright-holder xml:lang="en">Strunov A.A., Ilinskii Y.Y., Zakharov I.K., Kiseleva E.V.</copyright-holder><license 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://vavilov.elpub.ru/jour/article/view/148">https://vavilov.elpub.ru/jour/article/view/148</self-uri><abstract><p>Патогенный штамм Wolbachia wMelPop обнаруживается в центральной нервной системе, мышцах и сетчатке Drosophila melanogaster и сокращает выживаемость своего хозяина в два раза. Это делает возможным его применение для борьбы с насекомыми–вредителями сельского хозяйства и переносчи ками различных заболеваний человека. Любая симбиотическая ассоциация в природе находится под действием различных стрессов, таких, как голодание, пониженная или повышенная температура и другие, которые существенно влияют на особенности взаимоотношения партнеров.</p><p>В настоящей работе исследовано действие пониженной (16 °С) и повышенной (29 °С) температур на выживаемость и продолжительность жизни самок D. melanogaster, инфицированных Wolbachia штамма wMelPop; а также проведен анализ ультраструктуры клеток мозга и распределения в них бактерий. Увеличение времени содержания вылетевших имаго при повышенной температуре снижает их продолжительность жизни, причем влияние температуры проявляется после трех дней экспозиции. На 7-й день содержания мух при повышенной температуре в клетках их мозга появляются электронно-плотные структуры, напоминающие деградирующие бактерии, количество которых резко возрастает к 13-му дню инкубации при 29 °С. На основании данных популяционного и электронно-микроскопического анализа нами выделен критический период воздействия повышенной температуры с 7-го по 13-й день после начала экспозиции, после которого происходит резкое снижение выживаемости D. melanogaster.</p></abstract><trans-abstract xml:lang="en"><p>The pathogenic Wolbachia strain wMelPop is detected in the central nervous system, muscles, and retina of Drosophila melanogaster. It reduces the host lifetime twofold. This fact makes it promising for control of insect pests and transmitters of human diseases. Any symbiotic association is exposed to various stress factors: starvation, heat, cold, etc., which affect the symbiont interaction significantly. This study considers the action of cold (16 °C) and heat (29 °C) on the survival and lifetime of D. melanogaster females infected by the Wolbachia strain wMelPop. The ultrastructure of brain cells and the bacterium distribution in them were studied. Longer (starting from three days) exposure of imagoes to elevated temperature reduces their lifetime. On day 7 of exposure to heat, electron-dense bodies appear in brain cells of the flies. They look like degrading bacteria. Their amount increases dramatically by day 13 of incubation at 29 °C. On the grounds of populational and EM analysis, we recognized the critical time of heat action: days 7–13 after the start of exposure. After that, the survival of Drosophila melanogaster decreases abruptly.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Drosophila melanogaster</kwd><kwd>патогенный штамм Wolbachia wMelPop</kwd><kwd>электронная микроскопия</kwd><kwd>повышенная температура</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Drosophila melanogaster</kwd><kwd>pathogenic Wolbachia strain wMelPop</kwd><kwd>electron microscopy</kwd><kwd>elevated temperature</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>М.В.Жукова, Президиум РАН</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Вайсман Н.Я., Илинский Ю.Ю., Голубовский М.Д. Популяционно-генетический анализ продолжительности жизни Drosophila melanogaster: сходные эффекты эндосимбионта Wolbachia и онкосупрессора lgl в условиях температурного стресса // Журн. общ. биологии. 2009. Т. 70. № 5. 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