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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">biob</journal-id><journal-title-group><journal-title xml:lang="ru">Биобезопасность и Биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Biosafety and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2707-7241</issn><issn pub-type="epub">2957-5702</issn><publisher><publisher-name>Научно-исследовательский институт проблем биологической безопасности</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.58318/2957-5702-2025-24-11-22</article-id><article-id custom-type="elpub" pub-id-type="custom">biob-218</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>СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>ОПРЕДЕЛЕНИЕ СПЕЦИФИЧНОСТИ ПРАЙМЕРОВ И ЗОНДОВ ПРИ РАЗРАБОТКЕ МУЛЬТИПЛЕКСНОЙ РЕАЛ-ТАЙМ ПЦР ТЕСТ-СИСТЕМЫ ДЛЯ ДИАГНОСТИКИ ГРИППА ПТИЦ И БОЛЕЗНИ НЬЮКАСЛА</article-title><trans-title-group xml:lang="en"><trans-title>DETERMINATION OF PRIMER AND PROBE SPECIFICITY IN THE DEVELOPMENT OF A MULTIPLEX REAL-TIME PCR TEST SYSTEM FOR THE DIAGNOSIS OF AVIAN INFLUENZA AND NEWCASTLE DISEASE</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4701-1992</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бурашев</surname><given-names>Е. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Burashev</surname><given-names>Ye. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>PhD, заведующий лабораторией «Мониторинг инфекционных болезней».</p><p>Гвардейский</p></bio><bio xml:lang="en"><p>Guardeyskiy</p></bio><email xlink:type="simple">y.burashev@biosafety.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6299-9399</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кожабергенов</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozhabergenov</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Магистр, заведующий лабораторией «Коллективного пользования».</p><p>Гвардейский</p></bio><bio xml:lang="en"><p>Guardeyskiy</p></bio><email xlink:type="simple">kozhabergen@biosafety.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0878-9168</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Әубәкір</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Aubakir</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Магистр, младший научный сотрудник.</p><p>Гвардейский</p></bio><bio xml:lang="en"><p>Guardeyskiy</p></bio><email xlink:type="simple">N.Aubakir@biosafety.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4215-2638</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Омарова</surname><given-names>З. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Omarova</surname><given-names>Z. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Магистр, научный сотрудник.</p><p>Гвардейский</p></bio><bio xml:lang="en"><p>Guardeyskiy</p></bio><email xlink:type="simple">Z.Omarova@biosafety.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7741-0938</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тулендибаев</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Tulendibayev</surname><given-names>A. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Магистр, научный сотрудник.</p><p>Гвардейский</p></bio><bio xml:lang="en"><p>Guardeyskiy</p></bio><email xlink:type="simple">a.tulendibayev@biosafety.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1597-7784</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ермекбай</surname><given-names>Т. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Yermekbai</surname><given-names>T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Магистр, младший научный сотрудник.</p><p>Гвардейский</p></bio><bio xml:lang="en"><p>Guardeyskiy</p></bio><email xlink:type="simple">t.yermekbai@biosafety.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5656-0678</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аргимбаева</surname><given-names>Т. У.</given-names></name><name name-style="western" xml:lang="en"><surname>Argimbaeva</surname><given-names>T. U.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Магистр, научный сотрудник.</p><p>Гвардейский</p></bio><bio xml:lang="en"><p>Guardeyskiy</p></bio><email xlink:type="simple">T.Argimbayeva@biosafety.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5808-9632</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Әлібекова</surname><given-names>Д. Ә.</given-names></name><name name-style="western" xml:lang="en"><surname>Alibekova</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Магистр, младший научный сотрудник.</p><p>Гвардейский</p></bio><bio xml:lang="en"><p>Guardeyskiy</p></bio><email xlink:type="simple">alib3kova@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ТОО «Научно-исследовательский институт проблем биологической безопасности», Национальный холдинг «QazBioPharm»<country>Казахстан</country></aff><aff xml:lang="en">LLP «Research Institute for Biological Safety Problems», National holding «QazBioPharm»<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>10</day><month>04</month><year>2026</year></pub-date><volume>0</volume><issue>24</issue><fpage>11</fpage><lpage>22</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бурашев Е.Д., Кожабергенов Н.С., Әубәкір Н.А., Омарова З.Д., Тулендибаев А.Б., Ермекбай Т.Т., Аргимбаева Т.У., Әлібекова Д.Ә., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Бурашев Е.Д., Кожабергенов Н.С., Әубәкір Н.А., Омарова З.Д., Тулендибаев А.Б., Ермекбай Т.Т., Аргимбаева Т.У., Әлібекова Д.Ә.</copyright-holder><copyright-holder xml:lang="en">Burashev Y.D., Kozhabergenov N.S., Aubakir N.A., Omarova Z.D., Tulendibayev A.B., Yermekbai T., Argimbaeva T.U., Alibekova D.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://journal.biosafety.kz/jour/article/view/218">https://journal.biosafety.kz/jour/article/view/218</self-uri><abstract><p>В настоящей работе представлены результаты оценки специфичности праймеров и зондов, разработанных для мультиплексной Real-time ПЦР тест-системы, предназначенной для диагностики гриппа птиц и болезни Ньюкасла. Для проверки специфичности использовали РНК вирусов болезни Ньюкасла, гриппа птиц А типа и инфекционного бронхита кур. В качестве положительных контролей применялись сконструированные плазмидные ДНК с фрагментами генов М (вирус болезни Ньюкасла) и NP (вирус гриппа птиц), отрицательным контролем служила деионизированная вода. Оптимизированная программа амплификации включала этап обратной транскрипции, денатурации и 45 циклов ПЦР в реальном времени с регистрацией флуоресцентных сигналов.</p><p>Полученные результаты показали, что разработанные праймеры и зонды обеспечивают избирательное определение целевых геномных фрагментов вирусов при отсутствии перекрёстных реакций и ложноположительных сигналов. Дополнительно проведено сравнение с коммерческими наборами ПЦР-ГРИПП-А-ФАКТОР и ПЦР-НЬЮКАСЛА-ФАКТОР, результаты которого подтвердили достоверность и воспроизводимость данных, полученных с использованием разработанной системы.</p><p>Таким образом, разработанная тест-система характеризуется высокой специфичностью и может быть рекомендована для применения в ветеринарной диагностике.</p></abstract><trans-abstract xml:lang="en"><p>This study presents the results of evaluating the specificity of primers and probes developed for a multiplex real-time PCR test system designed for the detection of avian influenza and Newcastle disease. To assess specificity, RNA samples from Newcastle disease virus, avian influenza virus type A, and infectious bronchitis virus of chickens were used. As positive controls, plasmid DNAs containing fragments of the M gene (Newcastle disease virus) and NP gene (avian influenza virus) were employed, while deionized water served as a negative control. The optimized amplification program included a reverse transcription step, denaturation, and 45 cycles of real-time PCR with registration of fluorescent signals.</p><p>The results demonstrated that the developed primers and probes provided selective detection of the target genomic fragments of viruses without cross-reactions or false-positive signals. Additionally, a comparison with commercial kits PCR-GRIPP-A-FACTOR and PCR-NEWCASTLE-FACTOR confirmed the reliability and reproducibility of the obtained data.</p><p>Therefore, the developed test system is characterized by high specificity and can be recommended for practical use in veterinary diagnostics.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>тест-система</kwd><kwd>ПЦР Реал-Тайм</kwd><kwd>грипп птиц</kwd><kwd>болезнь Ньюкасла</kwd><kwd>чувствительность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>test system</kwd><kwd>Real-time PCR</kwd><kwd>avian influenza</kwd><kwd>Newcastle disease</kwd><kwd>sensitivity</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Данная работа выполнена в рамках проекта грантового финансирования ИРН AP19676553 «Эпидемиологический мониторинг и разработка современных средств диагностики особо опасных вирусных болезней птиц»</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">Казахстанская сельскохозяйственная газета Аграрий Казахстана. 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