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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">vestib</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной  академии наук Беларуси. Серия биологических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Biological Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1029-8940</issn><issn pub-type="epub">2524-230X</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vestib-192</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></article-categories><title-group><article-title>Встречаемость различных типов спаривания Phytophthora infestans в популяциях на территории Беларуси с 2007 по 2012 г.</article-title><trans-title-group xml:lang="en"><trans-title>Occurrance of different Phytophthora infestans mating types in populations at the territory of Belarus since 2007 to 2012</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Викторович</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Victorovich</surname><given-names>V. N.</given-names></name></name-alternatives><email xlink:type="simple">victorovich200@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ходосовская</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Khodosovskaya</surname><given-names>A. M.</given-names></name></name-alternatives><email xlink:type="simple">hodosovskaya@bsu.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Евтушенков</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Evtushenkov</surname><given-names>A. N.</given-names></name></name-alternatives><email xlink:type="simple">evtyshenkov@bsu.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный университет</institution></aff><aff xml:lang="en"><institution>Belarusian State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>07</day><month>06</month><year>2016</year></pub-date><volume>0</volume><issue>1</issue><fpage>75</fpage><lpage>80</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Викторович В.Н., Ходосовская А.М., Евтушенков А.Н., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Викторович В.Н., Ходосовская А.М., Евтушенков А.Н.</copyright-holder><copyright-holder xml:lang="en">Victorovich V.N., Khodosovskaya A.M., Evtushenkov A.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://vestibio.belnauka.by/jour/article/view/192">https://vestibio.belnauka.by/jour/article/view/192</self-uri><abstract><p>В данной работе показано, что в период с 2007 по 2012 г. соотношение основных типов спаривания A1:A2 у 367 исследованных изолятов возбудителя фитофтороза оказалось близким к 1:1 с небольшим доминированием A2, а с учетом выявленного редкого типа A1A2 суммарное соотношение A1:A2:A1A2 составило 153 (41,7 %):208 (56,7 %): 6 (1,6 %). В указанные годы сбора оба основных половых типа обнаружены на большинстве полей всех областей республики, что свидетельствует о их достаточно равномерном пространственном и временном распределении. Полученные данные являются важным показателем, указывающим на возможность протекания полового процесса в природных популяциях P. infestans. Отмечены заметные различия в соотношении A1 и A2 типов спаривания для штаммов патогена, выделенных с картофеля и томата. Для картофеля преобладающим являлся A2 тип, для томата - A1. Кроме того, показано, что соотношение типов спаривания в пределах одного поля и сезона могут существенно варьироваться в зависимости от времени сбора.</p></abstract><trans-abstract xml:lang="en"><p>It was shown that in the period 2007 and 2009-2012 ratio of basic mating types A1:A2 for 367 isolates of Phytophthora infestans was close to 1:1 with a slight predominance of A2, and taking into account a rare type A1A2 also marked in this work total ratio A1:A2: A1A2 was 153 (41.7 %): 208 (56.7 %):6 (1.6 %). Both main types of sex were marked during all years of collecting in all regions of the country in most fields, indicating that they were fairly uniformly distributed in space and time. These data are an important indicator and the main condition for the possibility of occurrence of sexual reproduction in natural populations of P. infestans. It is noted significant differences in the ratios A1:A2 for potatoes and tomatoes isolates of pathogen. In the case of potato A2 was predominant type, as for tomato - A1 type. Furthermore it was revealed that the ratio of mating types within one field, and within the season vary substantially depending on the time of collection.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Phytophthora infestans</kwd><kwd>А1 и А2 типы спаривания</kwd><kwd>встречаемость типов спаривания</kwd><kwd>соотношение A1:A2</kwd><kwd>Phytophthora infestans</kwd><kwd>occurrence of А1 and A2 mating types</kwd><kwd>ratio A1:A2</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">Kamoun, S. Molecular genetics of pathogenic oomycetes / S. Kamoun // Eukar. Cell. - 2003. - Vol. 2. - P. 191-199.</mixed-citation><mixed-citation xml:lang="en">Kamoun, S. Molecular genetics of pathogenic oomycetes / S. Kamoun // Eukar. 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