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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">izvestiiatimacad</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Тимирязевской сельскохозяйственной академии</journal-title><trans-title-group xml:lang="en"><trans-title>IZVESTIYA OF TIMIRYAZEV AGRICULTURAL ACADEMY</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-342X</issn><publisher><publisher-name>ФГБОУ ВО РГАУ-МСХА имени К.А. Тимирязева</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26897/0021-342X-2024-3-78-94</article-id><article-id custom-type="elpub" pub-id-type="custom">izvestiiatimacad-667</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>ЗЕМЛЕДЕЛИЕ, РАСТЕНИЕВОДСТВО, ЗАЩИТА РАСТЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>AGRONOMY, CROP PRODUCTION, PLANT PROTECTION</subject></subj-group></article-categories><title-group><article-title>Определение аналитической чувствительности и специфичности методов ПЦР для диагностики черной бактериальной пятнистости томата</article-title><trans-title-group xml:lang="en"><trans-title>Determination of the analytical sensitivity and specificity of PCR methods for the diagnosis of bacterial spot of tomato</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8564-8142</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Белошапкина</surname><given-names>О. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Beloshapkina</surname><given-names>O. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Белошапкина Ольга Олеговна, д-р с.-х. наук, профессор, профессор кафедры защиты растений</p><p>127550, г. Москва, ул. Тимирязевская, 49</p><p>тел.: (499) 976–02–20</p></bio><bio xml:lang="en"><p>Olga O. Beloshapkina, DSc (Agr), Professor, Professor at the Department of Plant Protection</p><p>49 Timiryazevskaya St., Moscow, 127550</p><p>phone: (499) 976–02–20</p></bio><email xlink:type="simple">beloshapkina@rgau-msha.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/0000-0002-3084-0591</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Писарева</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Pisareva</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Писарева Ирина Николаевна, научный сотрудник научно-методического отдела бактериологии</p><p>140150, Московская область, г.о. Раменский, р.п. Быково, ул. Пограничная, 32</p><p>тел.: (499) 707–22–27</p></bio><bio xml:lang="en"><p>Irina N. Pisareva, Researcher of Scientific and Methodological Department of Bacteriology</p><p>32 Pogranichnaya St., Bykovo, Ramensky, Moscow Oblast, 140150</p></bio><email xlink:type="simple">iruru@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский государственный аграрный университет – МСХА имени К.А. Тимирязева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian State Agrarian University – Moscow Timiryazev Agricultural Academy</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Всероссийский центр карантина растений</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Plant Quarantine Center</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>31</day><month>05</month><year>2024</year></pub-date><volume>1</volume><issue>3</issue><fpage>78</fpage><lpage>94</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Белошапкина О.О., Писарева И.Н., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Белошапкина О.О., Писарева И.Н.</copyright-holder><copyright-holder xml:lang="en">Beloshapkina O.O., Pisareva I.N.</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://izvestiia.timacad.ru/jour/article/view/667">https://izvestiia.timacad.ru/jour/article/view/667</self-uri><abstract><p>Статья посвящена молекулярно-генетическим методам диагностики возбудителей черной бактериальной пятнистости томата – вредоносного бактериального заболевания томата и перца, распространенного преимущественно в открытом грунте в южных регионах. Исследования проведены на базе Всероссийского центра карантина растений (ФГБУ «ВНИИКР») в 2022–2023 гг. В задачи работы входило определение аналитической чувствительности и специфичности молекулярно-генетических методов выявления и идентификации трех видов разных патологических типов бактерий рода Xanthomonas – возбудителей черной бактериальной пятнистости томата. Ввиду необходимости импортозамещения дорогостоящих реагентов испытания проводили с отечественными реактивами производства фирм ООО «Евроген» и ЗАО «Диалат». Приведены результаты эффективности ПЦР «в реальном времени» (ПЦР-РВ), анализ которых показал, что все тестируемые праймерные системы можно рекомендовать для выявления возбудителей бактериоза. При этом установлено, что ПЦР-РВ AFLP derived Taqman PCR и XopD Taqman PCR обладают высокой аналитической чувствительностью (102–103 КОЕ/мл). Показано, что 3 из 4 праймерных систем в соответствии с методикой Koenraadt et al. (2009) также обладают высоким уровнем чувствительности –102 КОЕ/мл. Аналитическая чувствительность праймеров Bs-XpF/R для выявления X. euvesicatoria pv. perforans составила 104 КОЕ/мл, что достаточно для образцов с высокой концентрацией патогена и для идентификации чистой культуры бактерий. Все праймеры обладают 100%-ной специфичностью по отношению к целевым штаммам патогенов. Перекрестные реакции с другими штаммами не отмечены. Предлагаемая достоверная оперативная методика выявления возбудителей черной бактериальной пятнистости в семенах томата и перца в значительной степени снизит потери урожая и повысит экономическую эффективность производства отечественных овощей.</p></abstract><trans-abstract xml:lang="en"><p>The work is devoted to molecular genetic methods for the diagnosis of pathogens of bacterial spot of tomato – a harmful bacterial disease of tomatoes and peppers, predominantly spread in the open ground in the southern regions. The research was conducted on the basis of the All- Russian Plant Quarantine Center (FGBU “VNIIKR”) in 2022–2023. The objective of the work was to determine the analytical sensitivity and specificity of molecular genetic methods for the detection and identification of three species of different pathological types of bacteria of the genus Xanthomonas – pathogens of bacterial spot of tomato. Due to the necessity of import substitution of expensive reagents, the tests were carried out with domestic reagents produced by OOO “Evrogen” and ZAO “Dialat”. The results of the effectiveness of real-time PCR (qPCR) are presented, the analysis of which showed that all tested primer systems can be recommended for the detection of bacteriosis pathogens. At the same time, qPCR AFLP derived Taqman PCR and XopD Taqman PCR were found to have high analytical sensitivity (102–103 CFU/ml). It has been shown that three out of four primer systems according to to the methodology of Koenraadt et al. (2009) also have a high sensitivity of 102 CFU/ml. The analytical sensitivity of the Bs-XpF/R primers for the detection of X. euvesicatoria pv. perforans was 104 CFU/ml, which is sufficient for samples with a high concentration of the pathogen and for the identification of a pure bacterial culture. All primers are 100% specific for the target strains of pathogens; no cross-reactions with other strains have been observed. The proposed reliable operational method for detecting pathogens of bacterial spot in tomato and pepper seeds will significantly reduce yield losses and increase the economic efficiency of domestic vegetable production.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>черная бактериальная пятнистость томата</kwd><kwd>Xanthomonas spp.</kwd><kwd>выявление семенной инфекции</kwd><kwd>ПЦР «в реальном времени»</kwd><kwd>аналитическая чувствительность</kwd><kwd>специфичность методов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>bacterial spot of tomato</kwd><kwd>Xanthomonas spp.</kwd><kwd>detection of seed infection</kwd><kwd>realtime&#13;
PCR</kwd><kwd>analytical sensitivity</kwd><kwd>specificity of the methods</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено в рамках Государственного задания (рег. № 122041300071–9).</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">Oliveira-Pinto P.R., Mariz-Ponte N., Sousa R.M.O., Torres A., Tavares F., Ribeiro A., Santos C. Satureja montana essential oil, zein nanoparticles and their combination as a biocontrol strategy to reduce bacterial spot disease on tomato plants // Horticulturae. – 2021. – № 7 (12). – Pр. 1–22.</mixed-citation><mixed-citation xml:lang="en">Oliveira-Pinto P.R., Mariz-Ponte N., Sousa R.M.O., Torres A. et al. Satureja montana essential oil, zein nanoparticles and their combination as a biocontrol strategy to reduce bacterial spot disease on tomato plants. 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