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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">vavilov</journal-id><journal-title-group><journal-title xml:lang="ru">Вавиловский журнал генетики и селекции</journal-title><trans-title-group xml:lang="en"><trans-title>Vavilov Journal of Genetics and Breeding</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2500-3259</issn><publisher><publisher-name>Institute of Cytology and Genetics of Siberian Branch of the RAS</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18699/VJ15.034</article-id><article-id custom-type="elpub" pub-id-type="custom">vavilov-407</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>КОМПЬЮТЕРНАЯ ГЕНОМИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MICROBIAL GENETICS AND BIOTECHNOLOGY</subject></subj-group></article-categories><title-group><article-title>Эффективный метод идентификации штаммов Escherichia coli, выделенных из различных органов домашней птицы (Gallus gallus domesticus)</article-title><trans-title-group xml:lang="en"><trans-title>Efficient method for identification of Escherichia coli strains isolated from various chicken (Gallus gallus domesticus) organs</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>Терлецкий</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Terletskiy</surname><given-names>V. P.</given-names></name></name-alternatives><email xlink:type="simple">valeriter@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>Тыщенко</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Tyshchenko</surname><given-names>V. I.</given-names></name></name-alternatives><email xlink:type="simple">ksuvet@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>Новикова</surname><given-names>О. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Novikova</surname><given-names>O. B.</given-names></name></name-alternatives><email xlink:type="simple">muti-eva01@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Джавадов</surname><given-names>Э. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Dzhavadov</surname><given-names>E. D.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шахтамиров</surname><given-names>И. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Shakhtamirov</surname><given-names>I. Ya.</given-names></name></name-alternatives><email xlink:type="simple">chechniish@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Адаев</surname><given-names>Н. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Adaev</surname><given-names>N. L.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Государственное научное учреждение Всероссийский научно-исследовательский институт генетики и разведения сельскохозяйственных животных Федерального агентства научных организаций, Санкт-Петербург, Пушкин, Россия&#13;
&#13;
Государственное научное учреждение Всероссийский научно-исследовательский ветеринарный институт птицеводства Федерального агентства научных организаций, Санкт-Петербург, Ломоносов, Россия<country>Россия</country></aff><aff xml:lang="en">Russian Research Institute of Farm Animal Genetics and Breeding, Federal Agency for Scientific Organizations, St.-Petersburg, Pushkin, Russia&#13;
&#13;
All-Russia Research Veterinary Institute of Poultry Science, Federal Agency for Scientific Organizations, St.-Petersburg, Lomonosov, Russia<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Государственное научное учреждение Всероссийский научно-исследовательский ветеринарный институт птицеводства Федерального агентства научных организаций, Санкт-Петербург, Ломоносов, Россия<country>Россия</country></aff><aff xml:lang="en">All-Russia Research Veterinary Institute of Poultry Science, Federal Agency for Scientific Organizations, St.-Petersburg, Lomonosov, Russia<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Чеченский государственный &#13;
университет Министерства науки и образования России, Грозный, Россия<country>Россия</country></aff><aff xml:lang="en">Chechen State University, Ministry of Education and Science of the Russian Federation, Groznyi, Chechen Republic, Russia<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru">Федеральное государственное бюджетное научное учреждение Чеченский научно-исследовательский институт сельского хозяйства, Грозненский&#13;
район, пос. Гикало, Россия<country>Россия</country></aff><aff xml:lang="en">Chechen Agricultural Research Institute, Federal Agency for Scientific Organizations, Gikalo Village, Groznyi raion, Chechen Republic, Russia<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>29</day><month>11</month><year>2015</year></pub-date><volume>19</volume><issue>3</issue><fpage>270</fpage><lpage>276</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Терлецкий В.П., Тыщенко В.И., Новикова О.Б., Джавадов Э.Д., Шахтамиров И.Я., Адаев Н.Л., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Терлецкий В.П., Тыщенко В.И., Новикова О.Б., Джавадов Э.Д., Шахтамиров И.Я., Адаев Н.Л.</copyright-holder><copyright-holder xml:lang="en">Terletskiy V.P., Tyshchenko V.I., Novikova O.B., Dzhavadov E.D., Shakhtamirov I.Y., Adaev N.L.</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://vavilov.elpub.ru/jour/article/view/407">https://vavilov.elpub.ru/jour/article/view/407</self-uri><abstract><p>Выяснение путей распространения инфекции и идентификация источников патогена являются актуальными проблемами в системе профилактических мероприятий, направленных на борьбу с инфекционными заболеваниями человека и животных. Быстрый и точный метод идентификации бактериальных штаммов (генотипирование) позволяет на научной основе планировать противоэпизоотические мероприятия. Несмотря на обилие методов генотипирования микроорганизмов, не существует унифицированного подхода, применимого к разным видам патогенов. В исследовании была поставлена цель – разработать метод генотипирования, позволяющий идентифицировать штаммы E. coli, циркулирующие у кур различных птицефабрик России. Метод основан на ранее выдвинутой нами идее двойного расщепления и избирательного мечения рестрикционных фрагментов ДНК (ДРИМ). Геномная ДНК микроорганизма расщепляется одновременно двумя ферментами рестрикции и метится биотинилированным дезоксицитозинтрифосфатом с помощью ДНК-полимеразы. Ферменты подбираются in silico для каждого вида микроорганизма таким образом, чтобы в результате получить ограниченное число меченых фрагментов ДНК, которые легко разделить в обычном агарозном геле. В ходе выполнения экспериментальной работы на изолятах E. coli были доказаны воспроизводимость метода и его высокая дискриминационная способность. Данный подход был реализован при генотипировании ряда других патогенных микроорганизмов. К числу преимуществ предлагаемого метода относятся быстрота выполнения анализа, доступность реактивов и приборов. Показаны передача возбудителя между курами в пределах одной птицефабрики и возможность присутствия в разных органаходной особи генетически близких штаммов E. coli. Для генотипирования подходят бактериальные изоляты кур, выделенные из любых органов, кроме желудочно-кишечного тракта. В кишечнике присутствуют эндогенные бактериальные штаммы E. coli, что затрудняет интерпретацию результатов генотипирования. В работе показана возможность использования метода ДРИМ на полевых изолятах E. coli для решения вопросов молекулярной эпизоотологии.</p></abstract><trans-abstract xml:lang="en"><p>Tracing of transmission routes and identification of pathogen sources are important issues in preventive measures aimed at controlling human and animal infectious diseases. A fast and accurate method for bacterial strain identification (genotyping) allows scientifically sound planning of preventive schemes. Despite the existence of numerous bacterium genotyping techniques, there is still room for developing a unified typing approach that would be applicable to a variety of bacterial species. The aim is to develop a genotyping method allowing identification of E. coli strains circulating at Russian chicken farms. The method is based on the earlier proposed idea of double digestion and selective labeling of DNA restriction fragments (DDSL). Bacterial genomic DNA is simultaneously digested with two restriction enzymes and labeled with biotinylated deoxynucleoside triphosphates with the presence of DNA polymerase. The enzymes are chosen in silico for each bacterial species so that a limited number of DNA fragments be generated for subsequent separation in conventional agarose gel. After implementation of the study with E. coli isolates, adequate reproducibility and high discriminatory power of the technique were demonstrated. This approach was previously applied to genotyping other pathogenic bacterial species. The advantages of the proposed technique are the short turn-around time of analysis and easy availability of reagents and equipment. Transmission of a pathogen among chicken within one farm and existence of slightly different E. coli genotypes in various organs of the same individual were observed. Bacterial isolates obtained from any organ except the intestine were suitable for genotyping. Chicken intestine contains endogenous E. coli strains, which hamper the interpretation of genotyping data obtained for a set of isolates. Thus, our work demonstrates the potential of the DDSL method for genotyping field E. coli isolates in the context of molecular epizootology.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>генотипирование</kwd><kwd>ферменты рестрикции</kwd><kwd>расщепление ДНК</kwd><kwd>мечение</kwd><kwd>молекулярная эпизоотология</kwd><kwd>E. coli</kwd></kwd-group><kwd-group xml:lang="en"><kwd>genotyping</kwd><kwd>restriction enzymes</kwd><kwd>DNA digestion</kwd><kwd>labeling</kwd><kwd>molecular epizootology</kwd><kwd>E. coli</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">Борисенкова А.Н., Новикова О.Б., Оконевский П. Флорфеникол в птицеводстве. Птицеводство. 2012;3:43-45.</mixed-citation><mixed-citation xml:lang="en">Bikandi J.,San Millan R., Rementeria A., Garaizar J. 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