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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">10.32634/0869-8155-2025-391-02-61-66</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-3442</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>ВЕТЕРИНАРИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>VETERINARY MEDICINE</subject></subj-group></article-categories><title-group><article-title>Идентификация вариантов вируса вирусной диареи крупного рогатого скота — контаминантов производственных клеточных</article-title><trans-title-group xml:lang="en"><trans-title>Identification of bovine viral diarrhea virus variants — contaminants of industrial cell lines</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2650-6459</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Галеева</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Galeeva</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Антонина Глебовна Галеева - кандидат ветеринарных наук, ведущий научный сотрудник.</p><p>Научный городок — 2, Казань, 4200754 ул. Сибирский тракт, 35, Казань, 420029</p></bio><bio xml:lang="en"><p>Antonina Glebovna Galeeva - Candidate of Veterinary Sciences, Leading Researcher.</p><p>Nauchny gorodok — 2, Kazan, 420075; 35 Sibirsky trakt Str., Kazan, 420029</p></bio><email xlink:type="simple">antonina-95@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-0211-3334</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ахунова</surname><given-names>А. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Akhunova</surname><given-names>A. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алсу Рузалевна Ахунова - младший научный сотрудник.</p><p>Научный городок — 2, Казань, 420075</p></bio><bio xml:lang="en"><p>Alsu Ruzalevna Akhunova - Junior Researcher.</p><p>Nauchny gorodok — 2, Kazan, 420075</p></bio><email xlink:type="simple">aahunova@inbox.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><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>Наиль Ильдарович Хаммадов - кандидат биологических наук, ведущий научный сотрудник.</p><p>Научный городок — 2, Казань, 420075</p></bio><bio xml:lang="en"><p>Nail Ildarovich Khammadov - Candidate of Biological Sciences, Leading Researcher.</p><p>Nauchny gorodok — 2, Kazan, 420075</p></bio><email xlink:type="simple">nikhammadov@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-5339-5175</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сорокина</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sorokina</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Диана Анатольевна Сорокина - младший научный сотрудник.</p><p>Научный городок — 2, Казань, 420075</p></bio><bio xml:lang="en"><p>Diana Anatolyevna Sorokina - Junior Researcher.</p><p>Nauchny gorodok — 2, Kazan, 420075</p></bio><email xlink:type="simple">diana-sorokina2013@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1717-0498</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Яруллин</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Yarullin</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Айнур Ильнурович Яруллин - кандидат биологических наук, ведущий научный сотрудник.</p><p>Научный городок — 2, Казань, 420075</p></bio><bio xml:lang="en"><p>Ainur Ilnurovich Yarullin - Candidate of Biological Sciences, Leadingr Reseacher.</p><p>Nauchny gorodok — 2, Kazan, 420075</p></bio><email xlink:type="simple">abii@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-2380-0701</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хафизова</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Khafizova</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алсу Магъфуровна Хафизова - младший научный сотрудник.</p><p>Научный городок — 2, Казань, 420075</p></bio><bio xml:lang="en"><p>Alsu Magfurovna Khafizova - Junior Researcher.</p><p>Nauchny gorodok — 2, Kazan, 420075</p></bio><email xlink:type="simple">alsukhafizova@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7812-9168</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мухаммадиев</surname><given-names>Ришат С.</given-names></name><name name-style="western" xml:lang="en"><surname>Mukhammadiev</surname><given-names>Rishat S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ришат Салаватович Мухаммадиев - кандидат биологических наук, старший научный сотрудник.</p><p>Научный городок — 2, Казань, 420075</p></bio><bio xml:lang="en"><p>Rishat Salavatovich Mukhammadiev - Candidate of Biological Sciences, Senior Researcher.</p><p>Nauchny gorodok — 2, Kazan, 420075</p></bio><email xlink:type="simple">tashir9891@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2524-9609</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мухаммадиев</surname><given-names>Ринат С.</given-names></name><name name-style="western" xml:lang="en"><surname>Mukhammadiev</surname><given-names>Rinat S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ринат Салаватович Мухаммадиев - кандидат биологических наук, научный сотрудник.</p><p>Научный городок — 2, Казань, 420075</p></bio><bio xml:lang="en"><p>Rinat Salavatovich Mukhammadiev - Candidate of Biological Sciences, Researcher.</p><p>Nauchny gorodok — 2, Kazan, 420075</p></bio><email xlink:type="simple">tanirtashir@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6771-3457</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Каримуллина</surname><given-names>И. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Karimullina</surname><given-names>I. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ильсияр Габделгазизовна Каримуллина - кандидат биологических наук, старший научный сотрудник.</p><p>Научный городок — 2, Казань, 420075</p></bio><bio xml:lang="en"><p>Ilsiyar Gabdelgazizovna Karimullina - Candidate of Biological Sciences, Senior Researcher.</p><p>Nauchny gorodok — 2, Kazan, 420075</p></bio><email xlink:type="simple">89047699225@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральный центр токсикологической, радиационной и биологической безопасности; Казанская государственная академия ветеринарной медицины им Н.Э. Баумана</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Center for Toxicological, Radiation and Biological Safety; Kazan state academy of veterinary medicine named after N.E. Bauman</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральный центр токсикологической, радиационной и биологической безопасности</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Center for Toxicological, Radiation and Biological Safety</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>16</day><month>02</month><year>2025</year></pub-date><volume>0</volume><issue>2</issue><fpage>61</fpage><lpage>66</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Галеева А.Г., Ахунова А.Р., Хаммадов Н.И., Сорокина Д.А., Яруллин А.И., Хафизова А.М., Мухаммадиев Р.С., Мухаммадиев Р.С., Каримуллина И.Г., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Галеева А.Г., Ахунова А.Р., Хаммадов Н.И., Сорокина Д.А., Яруллин А.И., Хафизова А.М., Мухаммадиев Р.С., Мухаммадиев Р.С., Каримуллина И.Г.</copyright-holder><copyright-holder xml:lang="en">Galeeva A.G., Akhunova A.R., Khammadov N.I., Sorokina D.A., Yarullin A.I., Khafizova A.M., Mukhammadiev R.S., Mukhammadiev R.S., Karimullina I.G.</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/3442">https://www.vetpress.ru/jour/article/view/3442</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Контаминация вирусом ВД КРС остается постоянной угрозой качеству биологических продуктов. Наиболее распространенным фактором контаминации являются эмбриональные бычьи сыворотки — основной фактор поддержки роста при культивировании клеточных линий, применение которых делает риск распространения вируса ВД КРС практически неизбежным.</p><p>Цель исследования — идентификация вариантов вируса вирусной диареи крупного рогатого скота — контаминантов производственных клеточных линий.</p></sec><sec><title>Методы</title><p>Методы. Использовались клеточные линии MDBK, BHK-21/13-02, PK-15, Vero и производственные штаммы вируса ВД КРС NADL, ВК-1. Для амплификации целевых участков вирусного генома применяли олигонуклеотидные праймеры, фланкирующие высококонсервативную нетранслируемую область 5`UTR длиной 289 п. н. Сравнительный анализ нуклеотидных последовательностей, установленных методом секвенирования, проводился с применением стандартных методов молекулярной филогенетики.</p></sec><sec><title>Результаты</title><p>Результаты. Факт хронической инфекции нецитопатогенным вирусом ВД КРС был подтвержден в отношении клеточных линий MDBK, BHK-21/13-02, PK-15. По результатам секвенирования контаминирующие варианты вируса были идентифицированы как представители субгенотипа 1a. Филогенетический анализ выявил их значительное сходство между собой и рядом штаммов, выделенных от персистентно инфицированных лам, альпак и косуль с идентичностью 96,8–99,2%. Представленные данные демонстрируют необходимость постоянного проведения подобных скринингов, что позволит повысить качество технологического сырья, используемого для производства биологических продуктов, а также усовершенствовать существующие средства серологической диагностики инфекций, вызываемых представителями рода Pestivirus.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. Contamination with bovine BVDV virus remains a threat to the quality of biological products. The most common factor of contamination is fetal bovine serum, the main factor supporting growth when cultivating cell lines, the use of which makes the risk of spreading the bovine BVDV virus almost inevitable.</p><p>The aim of the study was to identify variants of bovine viral diarrhea virus, which are contaminants of production cell lines.</p></sec><sec><title>Methods</title><p>Methods. The cell lines MDBK, BHK-21/13-02, PK-15, Vero and the production strains of the bovine HD virus NADL, VK-1 were used To amplify the target regions of the viral genome, oligonucleotide primers flanking the highly conserved untranslated region 5`UTR with a length of 289 bp were used. Comparative analysis of nucleotide sequences determined by sequencing was carried out using standard methods of molecular phylogenetics.</p></sec><sec><title>Results</title><p>Results. The fact of chronic infection with non-cytopathogenic bovine BVDV virus was confirmed in relation to the cell lines MDBK, BHK-21/13-02 and PK-15. Based on sequencing results, the contaminating virus variants were identified as representatives of subgenotype 1a. Phylogenetic analysis revealed their significant similarity between themselves and a number of strains isolated from persistently infected llamas, alpacas and roe deer with an identity of 96.8–99.2%. The presented data demonstrate the need for ongoing such screenings, which will improve the quality of technological raw materials used for the production of biological products, as well as improve existing means of serological diagnosis of infections caused by representatives of the Pestivirus genus.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>вирусная диарея</kwd><kwd>крупный рогатый скот</kwd><kwd>контаминация культур клеток</kwd><kwd>секвенирование по Сэнгеру</kwd><kwd>5`-UTR</kwd><kwd>классическая чума свиней</kwd></kwd-group><kwd-group xml:lang="en"><kwd>bovine viral diarrhea</kwd><kwd>cell culture contamination</kwd><kwd>Sanger sequencing</kwd><kwd>5`-UTR</kwd><kwd>classical swine fever</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">Hou P., Xu Y., Wang H., He H. 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