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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">10.32634/0869-8155-2021-344-1-92-97</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-1457</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>ЗАЩИТА РАСТЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CROP PROTECTION</subject></subj-group></article-categories><title-group><article-title>Применение аналитических методов для выявления критических пределов инфицирования зерна грибами рода Fusarium</article-title><trans-title-group xml:lang="en"><trans-title>Application of analytical methods to identify critical limits of grain infection by Fusarium fungi</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4250-4322</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лебедин</surname><given-names>Ю. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Lebedin</surname><given-names>Yu. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юрий Степанович Лебедин, кандидат медицинских наук, генеральный директор</p><p>105264, Москва, ул. 9-я Парковая, 48</p></bio><bio xml:lang="en"><p>Yuri S. Lebedin, Candidate of Medical Sciences, general director</p><p>105264, Moscow, 9th Parkovaya, 48</p></bio><email xlink:type="simple">lebedin@xema.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/0000-0002-7657-6618</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Орина</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Orina</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александра Станиславовна Орина, кандидат биологический наук, старший научный сотрудник лаборатории микологии и фитопатологии</p><p>Санкт-Петербург – Пушкин, ш. Подбельского, 3</p></bio><bio xml:lang="en"><p>Alexandra S. Orina, Candidate of Biological Sciences, senior researcher of the laboratory of mycology and phytopathology</p><p>196608, St. Petersburg - Pushkin, Podbelsky, 3</p></bio><email xlink:type="simple">orina-alex@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/0000-0002-5350-3221</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гаврилова</surname><given-names>О. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Gavrilova</surname><given-names>O. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольга Павловна Гаврилова, кандидат биологический наук, старший научный сотрудник лаборатории микологии и фитопатологии</p><p>Санкт-Петербург – Пушкин, ш. Подбельского, 3</p></bio><bio xml:lang="en"><p>Olga P. Gavrilova, Candidate of Biological Sciences, senior researcher of the laboratory of mycology and phytopathology</p><p>196608, St. Petersburg - Pushkin, Podbelsky, 3</p></bio><email xlink:type="simple">olgavrilova1@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/0000-0002-3276-561X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гагкаева</surname><given-names>Т. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Gagkaeva</surname><given-names>T. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна Юрьевна Гагкаева, кандидат биологический наук, ведущий научный сотрудник лаборатории микологии и фитопатологии</p><p>Санкт-Петербург – Пушкин, ш. Подбельского, 3</p></bio><bio xml:lang="en"><p>Tatyana Yu. Gagkaeva, Candidate of Biological Sciences, leading researcher of the laboratory of mycology and phytopathology</p><p>196608, St. Petersburg - Pushkin, Podbelsky, 3</p></bio><email xlink:type="simple">t.gagkaeva@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/0000-0001-8402-2706</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Майгурова</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Maigurova</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Валентина Николаевна Майгурова, менеджер клиентского сервиса отделов ветеринарии, криминалистики и пищевой безопасности</p><p>105264, Москва, ул. 9-я Парковая, 48</p></bio><bio xml:lang="en"><p>Valentina N. Maigurova, customer support manager of the veterinary, criminalistics and food safety departments</p><p>105264, Moscow, 9th Parkovaya, 48</p></bio><email xlink:type="simple">vmaigurova@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0845-4563</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петухов</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Petukhov</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Павел Александрович Петухов, заместитель генерального директора по развитию бизнеса</p><p>105264, Москва, ул. 9-я Парковая, 48</p></bio><bio xml:lang="en"><p>Pavel A. Petukhov, deputy general director for business development</p><p>105264, Moscow, 9th Parkovaya, 48</p></bio><email xlink:type="simple">onco.xema@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ООО «ХЕМА»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>LLC “XEMA”</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт защиты растений</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Institute of Plant Protection</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>12</day><month>03</month><year>2021</year></pub-date><volume>344</volume><issue>1</issue><fpage>92</fpage><lpage>97</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лебедин Ю.С., Орина А.С., Гаврилова О.П., Гагкаева Т.Ю., Майгурова В.Н., Петухов П.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Лебедин Ю.С., Орина А.С., Гаврилова О.П., Гагкаева Т.Ю., Майгурова В.Н., Петухов П.А.</copyright-holder><copyright-holder xml:lang="en">Lebedin Y.S., Orina A.S., Gavrilova O.P., Gagkaeva T.Y., Maigurova V.N., Petukhov P.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://www.vetpress.ru/jour/article/view/1457">https://www.vetpress.ru/jour/article/view/1457</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Научное сообщество и сельхозпроизводители находятся в поиске решения проблемы о том, как обезопасить потребителей от воздействия опасных для здоровья микотоксинов, содержащихся в сельхозпродукции. Один из инструментов, который будет рассмотрен в данной статье – применение скрининговой системы, позволяющей в короткие сроки определять количественные показатели инфицирования зерна пшеницы токсинопродуцирующими грибами.</p></sec><sec><title>Методы</title><p>Методы. Для характеристики поражения зерна использовали метод количественной ПЦР с выявлением ДНК гриба и метод иммуноферментного анализа, детектирующий содержание антигенов Fusarium.</p></sec><sec><title>Результаты</title><p>Результаты. На основании анализов зараженности зерна отдельными видами в модельных экспериментах мы установили нижний критический предел в случае ДНК – 3955·10-4 пг/нг, а антигенов Fusarium – 596 ед/г, при выявлении которых зерно должно подвергаться анализу микотоксинов. Все партии зерна, у которых значения, выявленные аналитическими методами, ниже критических точек, могут без дополнительных анализов использоваться на переработку. Полученные значения могут быть количественными объективными ориентирами, соответствующими рутинному визуальному анализу зараженности зерна, предлагаемому в настоящее время по ГОСТ 31646-2012</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. The scientific community and agricultural producers are looking for a solution to the problem of how to protect consumers from the effects of hazardous mycotoxins in agricultural products. One of the tools, which will be considered in this article, is a screening system that allows determining the quan-titative indicators of wheat grain infection by toxin-producing fungi in a short time.</p></sec><sec><title>Methods</title><p>Methods. The method of quantitative PCR with the detection of fungal DNA and the method of enzyme immunoassay with the detection of Fusarium antigens were used to characterize the grain infection.</p></sec><sec><title>Results</title><p>Results. We established the lower critical limit of DNA content which is 3955·10-4 pg/ng and the lower critical limit of Fusarium antigens which is 596 U/g based on the analyzes of grain fungi contamination in model experiments. Grain should be subjected to mycotoxins analysis upon detection of these critical lim-its. All batches of grain can be used in production without additional analyzes if their values determined by analytical methods are below that critical points. The obtained values can be quantitative benchmarks corresponding to the standard visual analysis of grain contamination currently described in GOST 31646-2012</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>Fusarium</kwd><kwd>ДНК</kwd><kwd>антигены</kwd><kwd>количественная ПЦР</kwd><kwd>иммуноферментный анализ</kwd><kwd>качество</kwd><kwd>безопасность пищевых продуктов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Fusarium</kwd><kwd>DNA</kwd><kwd>antigens</kwd><kwd>quantitative PCR</kwd><kwd>enzyme immunoassay</kwd><kwd>quality</kwd><kwd>food safety</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">Гаврилова О.П., Орина А.С., Гогина Н.Н. и др. Проблема фузариоза зерна в Зауралье: ретроспектива исследований и современная ситуация. Аграрный вестник Урала. 2020;07(198):29–40.</mixed-citation><mixed-citation xml:lang="en">Gavrilova OP, Orina AS, Gogina N.N. et al. 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