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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Genetics</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Genetics</journal-title><trans-title-group xml:lang="ru"><trans-title>Генетика</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0016-6758</issn><issn publication-format="electronic">3034-5103</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">700413</article-id><article-id pub-id-type="doi">10.7868/S3034510325120054</article-id><article-categories><subj-group subj-group-type="toc-heading"><subject>ГЕНЕТИКА ЖИВОТНЫХ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Test System for Amplification of the Complete Mitochondrial Genome of Siberian Sturgeon (<italic>Acipenser baerii</italic>)</article-title><trans-title-group xml:lang="ru"><trans-title>ТЕСТ-СИСТЕМА ДЛЯ АМПЛИФИКАЦИИ ПОЛНОГО МИТОХОНДРИАЛЬНОГО ГЕНОМА СИБИРСКОГО ОСЕТРА (<italic>Acipenser baerii</italic>)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bardukov</surname><given-names>N. V</given-names></name><name xml:lang="ru"><surname>Бардуков</surname><given-names>Н. В</given-names></name></name-alternatives><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pisarenko</surname><given-names>N. B</given-names></name><name xml:lang="ru"><surname>Писаренко</surname><given-names>Н. Б</given-names></name></name-alternatives><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nikipelova</surname><given-names>A. K</given-names></name><name xml:lang="ru"><surname>Никипелова</surname><given-names>А. К</given-names></name></name-alternatives><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nikipelov</surname><given-names>V. I</given-names></name><name xml:lang="ru"><surname>Никипелов</surname><given-names>В. И</given-names></name></name-alternatives><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rodionov</surname><given-names>A. N</given-names></name><name xml:lang="ru"><surname>Родионов</surname><given-names>А. Н</given-names></name></name-alternatives><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dotsev</surname><given-names>A. V</given-names></name><name xml:lang="ru"><surname>Доцев</surname><given-names>А. В</given-names></name></name-alternatives><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Romazeva</surname><given-names>M. E</given-names></name><name xml:lang="ru"><surname>Ромазева</surname><given-names>М. Е</given-names></name></name-alternatives><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Belous</surname><given-names>A. A</given-names></name><name xml:lang="ru"><surname>Белоус</surname><given-names>А. А</given-names></name></name-alternatives><email>belousa663@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Otradnov</surname><given-names>P. I</given-names></name><name xml:lang="ru"><surname>Отраднов</surname><given-names>П. И</given-names></name></name-alternatives><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zinovieva</surname><given-names>N. A</given-names></name><name xml:lang="ru"><surname>Зиновьева</surname><given-names>Н. А</given-names></name></name-alternatives><email>-</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Federal Research Center for Animal Husbandry named after Academy Member L.K. Ernst</institution></aff><aff><institution xml:lang="ru">Федеральный исследовательский центр животноводства – ВИЖ им. академика Л.К. Эрнста</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">All-Russian Research Institute of Integral Fish Farming – Branch of the Federal Research Center for Animal Husbandry named after Academy Member L.K. Ernst</institution></aff><aff><institution xml:lang="ru">Всероссийский научно-исследовательский институт интегрального рыбоводства – филиал Федерального исследовательского центра животноводства – ВИЖ им. академика Л.К. Эрнста</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2025</year></pub-date><volume>61</volume><issue>12</issue><issue-title xml:lang="en">VOL 61, NO12 (2025)</issue-title><issue-title xml:lang="ru">ТОМ 61, №12 (2025)</issue-title><fpage>54</fpage><lpage>62</lpage><history><date date-type="received" iso-8601-date="2026-01-08"><day>08</day><month>01</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2026-12-15"/></permissions><self-uri xlink:href="https://rjraap.com/0016-6758/article/view/700413">https://rjraap.com/0016-6758/article/view/700413</self-uri><abstract xml:lang="en"><p>A PCR system for amplification of the complete mitochondrial genome of the Siberian sturgeon (<italic>Acipenser baerii</italic>) has been developed, allowing to obtain six overlapping amplicons for sequencing by the NGS method. DNA sequencing of 24 representatives of aquacultured Siberian sturgeon of the Lena origin was carried out. The data on the extremely low diversity of mtDNA in the Lena sturgeon bred in aquaculture conditions have been confirmed. Heteroplasmic regions have been detected in all sequenced samples.</p></abstract><trans-abstract xml:lang="ru"><p>Разработана ПЦР-система для амплификации полного митохондриального генома сибирского осетра (<italic>Acipenser baerii</italic>), позволяющая получить шесть перекрывающихся ампликонов для выполнения секвенирования методом NGS. Проведено секвенирование ДНК 24-х представителей аквакультурного сибирского осетра ленского происхождения. Подтверждены данные о крайне низком разнообразии мтДНК у ленского осетра, разводимого в условиях аквакультуры. У всех секвенированных образцов обнаружены участки гетероплазмии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Siberian sturgeon (<italic>Acipenser baerii</italic>)</kwd><kwd>mitochondrial DNA</kwd><kwd>polymorphism</kwd><kwd>aquaculture</kwd><kwd>heteroplasmy</kwd><kwd>NGS sequencing</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>сибирский осетр (<italic>Acipenser baerii</italic>)</kwd><kwd>митохондриальная ДНК</kwd><kwd>полиморфизм</kwd><kwd>аквакультура</kwd><kwd>гетероплазмия</kwd><kwd>NGS-секвенирование</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке проекта РНФ № 24-76-10067.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Рубан Г.И. Адаптивные эколого-морфологические особенности сибирского осетра (Acipenser baerii Brandt) // Биология внутренних вод. 2019. № 2–1. 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