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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">RUDN Journal of Ecology and Life Safety</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Ecology and Life Safety</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Экология и безопасность жизнедеятельности</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-2310</issn><issn publication-format="electronic">2408-8919</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">12756</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Comparative evaluation of the effects of contaminants on dehydrogenase activities of indigenous microflora of gray forest soil and bacteria bacillus pumilus</article-title><trans-title-group xml:lang="ru"><trans-title>Сравнительная оценка влияния загрязняющих веществ на дегидрогеназную активность аборигенной микрофлоры серой лесной почвы и культуры Bacillus pumilus</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Selivanovskaya</surname><given-names>S Yu</given-names></name><name xml:lang="ru"><surname>Селивановская</surname><given-names>Светлана Юрьевна</given-names></name></name-alternatives><bio xml:lang="en">Kazan State University</bio><bio xml:lang="ru">Казанский государственный университет</bio><email>Svetlana.Selivanovskaya@ksu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Galitskaya</surname><given-names>P Yu</given-names></name><name xml:lang="ru"><surname>Галицкая</surname><given-names>Полина Юрьевна</given-names></name></name-alternatives><bio xml:lang="en">Kazan State University</bio><bio xml:lang="ru">Казанский государственный университет</bio><email>gpolina33@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Kazan State University</institution></aff><aff><institution xml:lang="ru">Казанский государственный университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2010-02-15" publication-format="electronic"><day>15</day><month>02</month><year>2010</year></pub-date><issue>2</issue><issue-title xml:lang="en">NO2 (2010)</issue-title><issue-title xml:lang="ru">№2 (2010)</issue-title><fpage>20</fpage><lpage>26</lpage><history><date date-type="received" iso-8601-date="2016-09-12"><day>12</day><month>09</month><year>2016</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2010, Selivanovskaya S.Y., Galitskaya P.Y.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2010, Селивановская С.Ю., Галицкая П.Ю.</copyright-statement><copyright-year>2010</copyright-year><copyright-holder xml:lang="en">Selivanovskaya S.Y., Galitskaya P.Y.</copyright-holder><copyright-holder xml:lang="ru">Селивановская С.Ю., Галицкая П.Ю.</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-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/ecology/article/view/12756">https://journals.rudn.ru/ecology/article/view/12756</self-uri><abstract xml:lang="en">The effects of metals (Сu, Pb, Ni, Cr, Cd) and fungicide alto-super on dehydrogenase activities of indigenous microflora of grey forest soil and laboratory culture Bacillus pumilus КМ-21 were studied. It was determined that the putting of the metals into soil caused the dose-effect inhibition of dehydrogenase activities of indigenous microflora of soil and dehydrogenase activities Bacillus pumilus КМ-21 estimated in eluate and contact tests. On the base of the established metal concentration causing the 50% inhibition on dehydrogenase activity, it was revealed that the contact test was more sensitive in comparison with eluate test. Cose relation between the alteration in activities of microbial culture (contact test) and indigenous microflora was shown. It allowed to recommend the contact test for estimation of the soil contamination with toxic compounds.</abstract><trans-abstract xml:lang="ru">Изучено влияние металлов (Сu, Pb, Ni, Cr, Cd) и фунгицида альто-супер на дегидрогеназную активность аборигенной микрофлоры серой лесной почвы и лабораторной культуры Bacillus pumilus КМ-21. Установлено, что внесение в почву металлов вызывает дозо-зависимое ингибирование дегидрогеназной активности аборигенной микрофлоры и Bacillus pumilus КМ-21, оцененной в контактном и элюатном тестах. Сравнение концентраций металлов, вызывающих 50% ингибирование дегидрогеназной активности, выявило, что контактный тест оказался более чувствительным по сравнению с элюатным. Отмечена тесная корреляция между изменениями в чистой культуре (контактный тест) и аборигенной микрофлоры, что позволяет рекомендовать контактный тест для оценки загрязнения почв экзогенными токсичными веществами.</trans-abstract><kwd-group xml:lang="en"><kwd>toxicants</kwd><kwd>soil</kwd><kwd>biotesting</kwd><kwd>dehydrogenase activity</kwd><kwd>grey forest soil</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>токсиканты</kwd><kwd>почва</kwd><kwd>биотестирование</kwd><kwd>дегидрогеназная активность</kwd><kwd>серые лесные почвы</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Ананьева Н.Д., Благодатская Е.В., Демкина Т.С. Оценка устойчивости почвенных микробных комплексов к природным и антропогенным воздействиям // Почвоведение. - 2002. - № 5.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Giller K.E., Witter E., McGrath S.P. 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