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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">microbe</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы особо опасных инфекций</journal-title><trans-title-group xml:lang="en"><trans-title>Problems of Particularly Dangerous Infections</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0370-1069</issn><issn pub-type="epub">2658-719X</issn><publisher><publisher-name>Russian Research Anti-Plague Institute “Microbe”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21055/0370-1069-2020-2-122-128</article-id><article-id custom-type="elpub" pub-id-type="custom">microbe-1336</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Поиск генетических маркеров вируса клещевого энцефалита для его специфичной индикации</article-title><trans-title-group xml:lang="en"><trans-title>Search for Genetic Markers of Tick-Borne Encephalitis Virus for Its Specific Indication, Genomic Analysis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5669-1486</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хаммадов</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Khammadov</surname><given-names>N. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хаммадов Наиль Ильдарович</p><p>420075, Татарстан, Казань, Научный городок-2</p></bio><bio xml:lang="en"/><email xlink:type="simple">nikhammadov@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Федеральный центр токсикологической, радиационной и биологической безопасности»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Center of Toxicological, Radiation and Biological Safety</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>12</day><month>07</month><year>2020</year></pub-date><volume>0</volume><issue>2</issue><fpage>122</fpage><lpage>128</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хаммадов Н.И., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Хаммадов Н.И.</copyright-holder><copyright-holder xml:lang="en">Khammadov N.I.</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.microbe.ru/jour/article/view/1336">https://journal.microbe.ru/jour/article/view/1336</self-uri><abstract><p>Цель исследования – анализ генетических маркеров вируса клещевого энцефалита, которые можно использовать для специфичной индикации максимально большего числа штаммов и изолятов вируса.</p><sec><title>Материалы и методы</title><p>Материалы и методы. В качестве амплифицируемого материала использовалась плазмидная ДНК и нуклеиновые кислоты клещей рода Ixodes и Dermacentor. Полимеразную цепную реакцию осуществляли на амплификаторе «C1000» с оптическим блоком «CFX96» (BioRad). Видовое (штаммовое) разнообразие выявляемых с применением анализируемых генетических маркеров организмов определяли в программной утилите «nBLAST». Дизайн нуклеотидных последовательностей праймеров и зондов проводили, используя программу «Vector NTI 9.1.0» (Invitrogen Corporation). Выделение нуклеиновых кислот производили методом магнитной сорбции с комплектом реагентов «МАГНО-сорб». Праймеры и зонды синтезировали в ЗАО «Евроген» (Москва, Россия). Для ПЦР использовались реактивы производства ЗАО «Синтол» (Москва, Россия).</p></sec></abstract><trans-abstract xml:lang="en"><p>Objective of the study is to analyze the genetic markers of tick-borne encephalitis virus, which can be used to specifically indicate the maximum number of virus strains and isolates.</p><sec><title>Materials and methods</title><p>Materials and methods. Plasmid DNA and nucleic acids of the tick, the genus Ixodes and Dermacentor, were used as amplified material. Polymerase chain reaction (PCR) was conducted on C1000 amplifier with a CFX96 optical unit (BioRad). The species (strain) variety of detected organisms, using the analyzed genetic markers, was determined in the nBLAST software utility. The design of the nucleotide sequences of primers and probes was performed using “Vector NTI 9.1.0” (Invitrogen Corporation). Nucleic acids were isolated by magnetic sorption with a reagent panel MAGNO-sorb. Primers and probes were synthesized at “Evrogen” company, Moscow, Russia. The reagents for PCR were manufactured by “Syntol” company, Moscow, Russia.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. When indicating the genome of the tick-borne encephalitis virus, the main criterion for choosing a marker sequence is the specific detection of nucleic acids of only the desired microorganism. The genomewide nucleotide sequences of various strains and isolates of tick-borne encephalitis virus were analyzed to search for a specific marker nucleotide sequence. Mutual comparison of all the above mentioned genomes made it possible to determine 7 conventionally conservative loci characterized by minimal nucleotide variability. The further work was based on the results of alignment of the nucleotide sequences of tick-borne encephalitis virus isolates, including the nucleotide sequences of heterogeneous microorganisms; primers and probes were designed to amplify each of the marker loci; the most analytically significant oligonucleotides were developed based on loci 4 and 7. Amplification with oligonucleotide primers to indicate tick-borne encephalitis virus was effective, both in a separate PCR with a positive control, and in combination with tick DNA.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>вирус клещевого энцефалита</kwd><kwd>специфичность</kwd><kwd>полиморфизм генома</kwd><kwd>пцр</kwd><kwd>локусы</kwd><kwd>генетические маркеры</kwd><kwd>олигонуклеотиды</kwd><kwd>индикация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Tick-borne encephalitis virus</kwd><kwd>specificity</kwd><kwd>genome polymorphism</kwd><kwd>PCR</kwd><kwd>loci</kwd><kwd>genetic markers</kwd><kwd>oligonucleotides</kwd><kwd>indication</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">Туник Т.В., Ляпунов А.В., Хаснатинов М.А., Данчинова Г.А., Арбатская Е.В., Чапоргина Е.А., Каверзина А.С., Петрова И.В., Савелькаева М.В., Горбунова Е.Л. 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