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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">10.17238/issn2072-2419.2020.4.111</article-id><article-id custom-type="elpub" pub-id-type="custom">ivm-324</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, CАНИТАРИЯ, 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>Анализ полиморфизма гена лиганд-зависимого ядерого рецептора типа корепрессора северного оленя</article-title><trans-title-group xml:lang="en"><trans-title>Analysis of the ligand-dependent nuclear receptor gene of corepressor type polymorphism in reindeer</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>Крутикова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Krutikova</surname><given-names>A. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Баркова</surname><given-names>О. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Barkova</surname><given-names>O. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ВНИИГРЖ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-russian Research Institute Of Genetics And Culture Of Agricultural Animals</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>27</day><month>05</month><year>2021</year></pub-date><volume>0</volume><issue>4</issue><fpage>111</fpage><lpage>115</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Крутикова А.А., Баркова О.Ю., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Крутикова А.А., Баркова О.Ю.</copyright-holder><copyright-holder xml:lang="en">Krutikova A..., Barkova O...</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/324">https://vetjournal.spbguvm.ru/jour/article/view/324</self-uri><abstract><p>В России северный олень является сельскохозяйственным животным. Были выведены и активно используются в арктической зоне России четыре породы северного оленя (эвенская, эвенкийская, ненецкая, чукотская). Наиболее распространенными и многочисленными породами оленей, разводимых в Арктической зоне России, являются ненецкая и эвенкийская. Они существенно отличаются размерами и массой тела, а также зоной обитания, так ненецкая порода обитает в тундровой зоне, эвенкийская - в таежной. Кроме того, в Арктической зоне имеются большие популяции дикого северного оленя. Исследования в области генетики мясной продуктивности сельскохозяйственных животных выявили несколько генов, определяющих формирование и развитие мышечной массы. Полиморфизм в гене LCORL ассоциирован с показателями размера тела у различных видов млекопитающих. Целью данного исследования было обнаружение вариантов генетического полиморфизма кодирующего участка гена LCORL у домашних северных оленей. LCORL (мРНК-лиганд-зависимый ядерный рецептор типа корепрессора) представляет собой фактор транскрипции, расположенный в ядре и использует консервативный мотив спираль-поворот-спираль для связывания ДНК. Проведенные исследования двух участков экзона 7 гена LCORL у особей диких и домашних северных оленей выявили наличие семи однонкулеотидных полиморфизмов, шесть из которых являются несинонимичными, т.е. приводящими к замене аминокислот в белковой последовательности. Различия частот встречаемости аллелей дикого типа и мутантных аллелей между особями диких и двух пород домашних северных оленей свидетельствует о наличие селекционного давления на регион гена LCORL и косвенно подтверждает влияние генетической изменчивости данного локуса на фенотипическую изменчивость показателей роста и размера тела у северных оленей. Учитывая аналогии с исследованиями влияния гена LCORL на признаки размера у других видов животных можно предположить, что некоторые полиморфизмы в исследованном участке могут быть истинными причинными локусами количественных признаков у домашних северных оленей.</p></abstract><trans-abstract xml:lang="en"><p>In Russia, the reindeer is a farm animal. Four breeds of reindeer (Even, Evenk, Nenets, Chukchi) were developed and are actively used in the Arctic zone of Russia. The most widespread and numerous breeds of deer bred in the Arctic zone of Russia are the Nenets and Evenk. They differ significantly in size and body weight, as well as in the habitat zone, as the Nenets breed lives in the tundra zone, the Evenk breed in the taiga. In addition, there are large populations of wild reindeer in the Arctic zone. Studies in the field of genetics of meat productivity of farm animals have identified several genes that determine the formation and development of muscle mass. Polymorphism in the LCORL gene is associated with indicators of body size in various mammalian species. The aim of this study was to detect variants of the genetic polymorphism of the coding region of the LCORL gene in domesticated reindeer. LCORL (mRNA ligand-dependent nuclear receptor type co-repressor) is a transcription factor located in the nucleus and uses a conserved helix-turn-helix motif for DNA binding. Studies of two regions of exon 7 of the LCORL gene in individuals of wild and domestic reindeer revealed the presence of seven single nucleotide polymorphisms, six of which are not synonymous, that is, leading to amino acid substitution in the protein sequence. The difference in the frequencies of wild-type and mutant alleles between individuals of wild and two breeds of domesticated reindeer indicates the presence of selection pressure on the region of the LCORL gene and indirectly confirms the influence of genetic variability of this locus on the phenotypic variability of growth and body size in reindeer. Given the analogies with studies of the influence of the LCORL gene on size traits in other animal species, it can be assumed that some polymorphisms in the studied area may be true causal quantitative trait loci (QTL) in domestic reindeer.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>северный олень</kwd><kwd>однонуклеот идный полиморфизм</kwd><kwd>ж ивая масса</kwd><kwd>LCORL</kwd><kwd>генотип</kwd><kwd>аллели</kwd></kwd-group><kwd-group xml:lang="en"><kwd>reindeer</kwd><kwd>SNP</kwd><kwd>body weight</kwd><kwd>LCORL</kwd><kwd>genotype</kwd><kwd>alleles</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Pryce J.E., Hayes B.J., Bolormaa S., Goddard M.E. Polymorphic regions affecting human height also control stature incattle. 2011. Genetics. 187. 981-984.</mixed-citation><mixed-citation xml:lang="en">Pryce J.E., Hayes B.J., Bolormaa S., Goddard M.E. 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