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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">vetpress</journal-id><journal-title-group><journal-title xml:lang="ru">Аграрная наука</journal-title><trans-title-group xml:lang="en"><trans-title>Agrarian science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-8155</issn><issn pub-type="epub">2686-701X</issn><publisher><publisher-name>Редакция журнала "Аграрная наука"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32634/0869-8155-2024-389-12-109-112</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-3375</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>ЗООТЕХНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ZOOTECHNICS</subject></subj-group></article-categories><title-group><article-title>Полиморфизм некодирующих последовательностей у овец карачаевской породы</article-title><trans-title-group xml:lang="en"><trans-title>Polymorphism of non-coding sequences in karachai sheep</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>Джатдоев</surname><given-names>Х. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Dzhatdoev</surname><given-names>Kh. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хызыр Магометович Джатдоев, кандидат сельскохозяйственных наук, директор научно-образовательного селекционного центра коневодства </p></bio><bio xml:lang="en"><p>Khyzyr Magometovich Dzhatdoev, Candidate of Agricultural Sciences, Director of the Scientific and Educational Breeding Center for Horse Breeding</p><p> 36 Stavropolskaya Str., Cherkessk, 369000</p><p> </p><p> </p></bio><email xlink:type="simple">h.jatdo@mail.ru</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>Эркенов</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Erkenov</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тимур Алипович Эркенов, кандидат сельскохозяйственных наук, директор Аграрного института</p></bio><bio xml:lang="en"><p>Timur Alipovich Erkenov, Candidatе of Agricultural Sciences, Director of the Agricultural Institute</p><p>36 Stavropolskaya Str., Cherkessk, 369000</p></bio><email xlink:type="simple">erkenov_timur@yahoo.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Северо-Кавказская  государственная  академия</institution><country>Россия</country></aff><aff xml:lang="en"><institution>North Caucasus State Academy</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>18</day><month>12</month><year>2024</year></pub-date><volume>0</volume><issue>12</issue><fpage>109</fpage><lpage>112</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Джатдоев Х.М., Эркенов Т.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Джатдоев Х.М., Эркенов Т.А.</copyright-holder><copyright-holder xml:lang="en">Dzhatdoev K.M., Erkenov T.A.</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://www.vetpress.ru/jour/article/view/3375">https://www.vetpress.ru/jour/article/view/3375</self-uri><abstract><p>Актуальность. Генетическая структура автохтонных пород овец представляет особый интерес, поскольку позволяет оценивать пути распространения генетических потоков древнего овцеводства, а также выявлять молекулярно-генетические системы и их полиморфизм, ассоциированные с механизмами адаптации к меняющимся условиям окружающей среды. С целью сравнения генетических структур грубошерстных пород овец — карачаевской, калмыцкой и эдильбаевской, отличающихся по происхождению и условиям разведения, в работе оценены особенности генетических структур путем полилокусного генотипирования высокополиморфных геномных элементов — длинных концевых повторов пяти ретротранспозонов: SIRE-1, PaswS 5, BARE-1, BERV β-3 и BERV k-1. В результате получены данные о высоком полиморфизме фрагментов геномной ДНК, фланкированных инвертированными повторами участков этих ретротранспозонов, причем по трем из них (SIRE-1, PaswS 5 и BARE-1) калмыцкие и эдильбаевские овцы оказались ближе друг к другу, чем к карачаевской овце, что соответствует накопленным данным об уникальности происхождения и условий обитания карачаевской породы.</p></abstract><trans-abstract xml:lang="en"><p>Relevance. The genetic structure of autochthonous sheep breeds is of particular interest, since it allows us to assess the ways of spreading the genetic streams of ancient sheep breeding, as well as to identify molecular genetic systems and their polymorphism associated with mechanisms of adaptation to changing environmental conditions. In order to compare the genetic structures of coarse-haired sheep breeds — Karachay, Kalmyk and Edilbaevskaya, differing in origin and breeding conditions, the features of genetic structures were evaluated by polylocus genotyping of highly polymorphic genomic elements — long terminal repeats of five retrotransposons: SIRE-1, PaswS 5, BARE-1, BERV β-3 and BERV k-1. As a result, data were obtained on the high polymorphism of genomic DNA fragments flanked by inverted repeats of the sites of these retrotransposons, and for three of them (SIRE-1, PaswS 5 and BARE-1) Kalmyk and Edilba sheep turned out to be closer to each other than to the Karachai sheep, which corresponds to the accumulated data on the uniqueness of origin and habitat conditions the Karachai breed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>автохтонные породы</kwd><kwd>овцы</kwd><kwd>карачаевские овцы</kwd><kwd>ретротранспозоны</kwd><kwd>полиморфизм</kwd><kwd>полилокусное генотипирование</kwd><kwd>генетические дистанции</kwd></kwd-group><kwd-group xml:lang="en"><kwd>autochthonous breeds</kwd><kwd>sheep</kwd><kwd>Karachai sheep</kwd><kwd>retrotransposons</kwd><kwd>polymorphism</kwd><kwd>polylocus genotyping</kwd><kwd>genetic distances</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследования выполнены в рамках государственного задания Министерства науки и высшего образования Российской Федерации (тема Nº 1023083000004-7-4.1.1 «Генетические ресурсы карачаевской породы лошадей и карачаевской породы овец в разных эколого-географических зонах»).</funding-statement><funding-statement xml:lang="en">The research was carried out within the state assignment of Ministry of Science and Higher Education of the Russian Federation (theme No. 1023083000004-7-4.1.1 "Genetic resources of the Karachai breed of horses and the Karachai breed of sheep in different ecological and geographical zones").</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">Гаджиев З.К. 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