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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">ivm</journal-id><journal-title-group><journal-title xml:lang="ru">Международный вестник ветеринарии</journal-title><trans-title-group xml:lang="en"><trans-title>International Journal of Veterinary Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-2419</issn><publisher><publisher-name>SpbGUVM Publishing House</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52419/issn2072-2419.2021.4.97</article-id><article-id custom-type="elpub" pub-id-type="custom">ivm-775</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>ЗООГИГИЕНА, САНИТАРИЯ, КОРМЛЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ZOOHYGIENE, SANITATION, FEEDING</subject></subj-group></article-categories><title-group><article-title>Генетическая изменчивость генофондных пород кур, оцененная на основе анализа SNPS в гене PPARG</article-title><trans-title-group xml:lang="en"><trans-title>Genetic variability of genetic chicken breeds estimated based on SNPS analysis in the PPARG gene</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>Ларкина</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Larkina</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.б.н., м.н.с.</p></bio><bio xml:lang="en"><p>PhD, Junior researcher</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>Крутикова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Krutikova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.б.н., с.н.с.</p></bio><bio xml:lang="en"><p>PhD, Senior Researcher</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>Дементьева</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Peglivanyan</surname><given-names>G. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.б.н., в.н.с.</p></bio><bio xml:lang="en"><p>graduate student, Junior researcher</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>Пегливанян</surname><given-names>Г. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Dementiev</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>асп., м.н.с.</p></bio><bio xml:lang="en"><p>PhD, Leading Researcher</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт генетики и разведения сельскохозяйственных животных – филиал Федерального исследовательского центра животноводства – ВИЖ им. академика Л.К. Эрнста (ВНИИГРЖ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Research Institute of Farm Animal Genetics and Breeding — Branch of the L.K. Ernst Federal Research Center for Animal Husbandry (RRIFAGB)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2021</year></pub-date><volume>0</volume><issue>4</issue><fpage>97</fpage><lpage>102</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ларкина Т.А., Крутикова А.А., Дементьева Н.В., Пегливанян Г.К., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Ларкина Т.А., Крутикова А.А., Дементьева Н.В., Пегливанян Г.К.</copyright-holder><copyright-holder xml:lang="en">Larkina T.A., Krutikova A.A., Peglivanyan G.K., Dementiev N.V.</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://vetjournal.spbguvm.ru/jour/article/view/775">https://vetjournal.spbguvm.ru/jour/article/view/775</self-uri><abstract><p>Ожирение кур значительно снижает эффективность кормления, яйценоскость, вкусовые качества мясной тушки, убойный выход, потребительскую ценность, а также присутствует такой экологический аспект, как проблема утилизации жира. Поиск SNPs в генах, участвующих в липидном обмене, важная задача на сегодняшний день для современных исследований в области птицеводства. Различия по жирности тушки между породами и линиями внутри породы иллюстрируют важность генетических факторов в липидном обмене у кур. Целью исследования являлся поиск и анализ SNPs в гене PPARG методом секвенирования у различных пород кур (n=83). Исследования проводили на базе лаборатории молекулярной генетики ВНИИГРЖ. Объектом исследования были куры биоресурсной коллекции ВНИИГРЖ «Генетическая коллекция редких и исчезающих пород кур» (г. Пушкин, Санкт-Петербург) различного направления продуктивности (n=83). Кровь для выделения ДНК отбирали у кур в возрасте 330 дней из вены крыла в микропробирку, содержащую в качестве антикоагулянта 50 мкл 0,5 мМ ЭДТА. До использования образцы крови хранили при температуре -200С. Геномную ДНК выделяли стандартным фенольно-детергентным способом. Концентрацию и степень чистоты образцов определяли с помощью прибора NanoDrop 2000 (Thermo Fisher, США).</p><p>Анализ полиморфизма регуляторной области гена PPARG проводился методом секвенирования. Дизайн праймеров проводили на основании информации базы данных сети интернет. Способ содержания птицы – индивидуальный клеточный. Определена генетическая изменчивость по rs314476701 гена PPARG у анализируемых пород. По SNP rs316237745 для всех особей изучаемых групп кур было выявлено сильное смещение аллеля A.</p></abstract><trans-abstract xml:lang="en"><p>Obesity of chickens significantly reduces the efficiency of feeding, egg production, palatability of meat carcasses, slaughter yield, consumer value, and there is also such an ecological aspect as the problem of fat utilization. The search for SNPs in genes involved in lipid metabolism is an important task today for modern research in the field of poultry farming. Differences in carcass fat between breeds and lines within a breed illustrate the importance of genetic factors in lipid metabolism in chickens. The aim of the study was to find and analyze SNPs in the PPARG gene by sequencing in various chicken breeds (n = 83). The objects of the study were chickens from the VNIIGZh bioresource collection "Genetic collection of rare and endangered chicken breeds" (Pushkin, St. Petersburg) of various productivity trends (n = 83). Blood for DNA isolation was taken from hens at the age of 330 days from a wing vein into a microtube containing 50 μl of 0.5 mM EDTA as an anticoagulant. Prior to use, blood samples were stored at -200C. Genomic DNA was isolated using a standard phenolic-detergent method. The concentration and purity of the samples were determined using a NanoDrop 2000 instrument (Thermo Fisher, USA).</p><p>Analysis of the polymorphism of the regulatory region of the PPARG gene was carried out by sequencing. The primer design was carried out on the basis of information from the Internet database.The studies were carried out on the basis of the laboratory of molecular genetics of the RRIFAGB. Genetic variability for rs314476701 of the PPARG gene was determined in the analyzed breeds. SNP rs316237745 revealed a strong shift of the A.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>курица</kwd><kwd>ген</kwd><kwd>порода</kwd><kwd>липидный обмен</kwd><kwd>гамма-рецептор</kwd><kwd>активируемый пролифератором пероксисом (PPARG)</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chicken</kwd><kwd>gene</kwd><kwd>breed</kwd><kwd>lipid metabolism</kwd><kwd>peroxisome proliferator activated gamma receptor (PPARG)</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке РФФИ в рамках научного проекта № 20-016-00127.</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">Wang, H.B. Profiling of chicken adipose tissue gene expression by genome array / H.B. Wang, H. Li, Q.G. Wang, X.Y. Zhang, S.Z. Wang, Y.X. Wang, X.P. 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