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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">ecodag</journal-id><journal-title-group><journal-title xml:lang="ru">Юг России: экология, развитие</journal-title><trans-title-group xml:lang="en"><trans-title>South of Russia: ecology, development</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1992-1098</issn><issn pub-type="epub">2413-0958</issn><publisher><publisher-name>State Institute of Applied Ecology of the Republic of Dagestan</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18470/1992-1098-2024-2-7</article-id><article-id custom-type="elpub" pub-id-type="custom">ecodag-3151</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>ЭКОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ECOLOGY</subject></subj-group></article-categories><title-group><article-title>Генотоксические эффекты в клетках крови осетровых рыб (Acipenseridae) в условиях садкового хозяйства дельты Волги</article-title><trans-title-group xml:lang="en"><trans-title>Genotoxic effects in blood cells of sturger (Acipenseridae) grown in conditions of cage farming of the Volga delta, Russia</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4957-2969</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Конькова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Konkova</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анна В. Конькова, кандидат биологических наук, ведущий научный сотрудник лаборатории «Аквакультура и гидробиология», доцент кафедры биотехнологии, биоэкологии, почвоведения и управления земельными ресурсами</p><p>414056 , г. Астрахань, ул. Татищева, 20а</p><p>Тел. +79275513010</p></bio><bio xml:lang="en"><p>Anna V. Konkova, Candidate of Biological Sciences, Leading Researcher, Laboratory of Aquaculture and Hydrobiology, Associate Professor, Department of Biotechnology, Bioecology, Soil Science and Land Management</p><p>Tatishcheva St, Astrakhan, 414056</p><p>Tel. +79275513010</p></bio><email xlink:type="simple">avkonkova@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6789-6102</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Файзулина</surname><given-names>Д. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Faizulina</surname><given-names>D. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дина Р. Файзулина</p><p>414056 , г. Астрахань, ул. Татищева, 20а</p></bio><bio xml:lang="en"><p>Dina R. Faizulina</p><p>Tatishcheva St, Astrakhan, 414056</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6459-5435</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ширина</surname><given-names>Ю. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Shirina </surname><given-names>Yu. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юлия М. Ширина</p><p>414056 , г. Астрахань, ул. Татищева, 20а</p></bio><bio xml:lang="en"><p>Yulia M. Shirina</p><p>Tatishcheva St, Astrakhan, 414056</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5739-1538</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Богатов</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bogatov</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иван А. Богатов</p><p>414056 , г. Астрахань, ул. Татищева, 20а</p></bio><bio xml:lang="en"><p>Ivan A. Bogatov</p><p>Tatishcheva St, Astrakhan, 414056</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Астраханский государственный университет имени В. Н. Татищева<country>Россия</country></aff><aff xml:lang="en">Astrakhan State Tatishchev University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>20</day><month>07</month><year>2024</year></pub-date><volume>19</volume><issue>2</issue><fpage>69</fpage><lpage>81</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Конькова А.В., Файзулина Д.Р., Ширина Ю.М., Богатов И.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Конькова А.В., Файзулина Д.Р., Ширина Ю.М., Богатов И.А.</copyright-holder><copyright-holder xml:lang="en">Konkova A.V., Faizulina D.R., Shirina  Y.M., Bogatov I.A.</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://ecodag.elpub.ru/ugro/article/view/3151">https://ecodag.elpub.ru/ugro/article/view/3151</self-uri><abstract><p>Целью настоящей работы явилась оценка степени генотоксического влияния среды обитания на особей русского осетра и стерляди, выращиваемых в условиях садкового хозяйства дельты Волги, с помощью микроядерного и ДНК‐комет тестов.Кровь у особей русского осетра и стерляди была отобрана прижизненно. Тест ДНК‐комет выполняли щелочным методом. Количество эритроцитов с микроядрами определяли микроскопически. Для оценки физиологического состояния осетровых рыб использовали общепринятые гематологические и биохимические методики.В исследованной выборке рыб на мазках крови количество эритроцитов с микроядрами в среднем составило у русского осетра 3,20 ± 1,24 ‰, у стерляди – 5,25 ± 1,18 ‰. Доля ДНК в хвосте кометы у эритроцитов русского осетра составила 3,99 %, у стерляди – 6,48 %. Величины показателей момента хвоста и момента Оливе так же были ниже у русского осетра. Среди эритроцитов стерляди можно отметить более гетерогенную картину повреждения ДНК. Показатель длины хвоста кометы у особей стерляди оказался ниже, чем у русского осетра, видимо при повреждении ДНК эритроцитов стерляди образовывались более крупные фрагменты этих молекул. Физиологическое состояние особей стерляди можно охарактеризовать как нормальное, а русского осетра как удовлетворительное, в связи с выявленными отклонениями в значениях некоторых гематологических и биохимических показателей крови.Изучив влияние среды на особей осетровых рыб, содержащихся в условиях садковой аквакультуры в дельте Волги методом микроядерного и ДНК‐комет тестов можно сделать вывод об отсутствии острого генотоксического влияния в момент исследования.</p></abstract><trans-abstract xml:lang="en"><p>The purpose of this work was to assess the degree of genotoxic influence of the habitat on individuals of Russian sturgeon and sterlet raised in cage farming conditions in the Volga delta, using micronucleus and DNA comet tests.The blood of the individual Russian sturgeon and sterlet was shaved off during their lifetime. A comet DNA test was performed using the alkaline method. The number of erythrocytes with micronuclei was determined microscopically. To assess the physiological state of sturgeons, conventional hematological and biochemical methods were used.In the samples of fish blood smears studied, the average proportion of erythrocytes with micronuclei was 3.20 ± 1.24 ‰ in Russian sturgeon and 5.25 ± 1.18 ‰ in sterlet. The proportion of DNA in the comet tail in erythrocytes of Russian sturgeon was 3,99 %, and in sterlet 6, 48 %. The values of tail moment and Olivet moment were also lower in Russian sturgeon. Among sterlet erythrocytes, a more heterogeneous pattern of DNA damage can be noted. The length of the comet tail in starlet individuals turned out to be lower than in Russian sturgeon: apparently, larger fragments of these molecules were formed when the DNA of starlet erythrocytes was damaged. The physiological state of sterlet individuals can be characterised as normal, and that of the Russian sturgeon as satisfactory, due to the deviations identified in the values of some hematological and biochemical blood parameters.Having studied the influence of the environment on individual sturgeon kept in cage aquaculture conditions in the Volga delta using micronuclear and DNA comet tests, we can conclude that there was no acute genotoxic effect at the time of the study.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Русский осетр</kwd><kwd>стерлядь</kwd><kwd>микроядро</kwd><kwd>ДНК‐кометы</kwd><kwd>гематологические и биохимические показатели крови</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Russian sturgeon</kwd><kwd>sterlet</kwd><kwd>micronucleus</kwd><kwd>DNA comets</kwd><kwd>hematological and biochemical blood parameters</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Исследование выполнено за счет гранта Российского научного фонда № 23‐26‐00151 «Разработка и внедрение высокоточного метода прижизненной оценки генотоксических эффектов у объектов аквакультуры для своевременной коррекции их физиологического состояния на основе применения микроядерного теста и теста ДНК‐комет», https://rscf.ru/project/23‐26‐00151/.</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The study was carried out within the framework of and with the financial support of the Russian Science Foundation grant № 23‐26‐00151 "Development and implementation of a high‐precision method for intravital assessment of genotoxic effects in aquaculture objects for the timely correction of their physiological state based on the use of a micronucleus test and a DNA comet test", https ://rscf.ru/project/23‐26‐00151/.</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">Васильева Л.М. 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