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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">vestim</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной  академии наук Беларуси. Серия медицинских наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Medical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-6023</issn><issn pub-type="epub">2524-2350</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1814-6023-2020-17-3-301-319</article-id><article-id custom-type="elpub" pub-id-type="custom">vestim-690</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>КЛИНИЧЕСКАЯ И ЭКСПЕРИМЕНТАЛЬНАЯ МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL AND EXPERIMENTAL MEDICINE</subject></subj-group></article-categories><title-group><article-title>Молекулярная эволюция фрагментов 7 генов «домашнего хозяйства», используемых в смехе мультилокусного сиквенс-типирования менингококков</article-title><trans-title-group xml:lang="en"><trans-title>Molecular evolution of the meningococcal fragments of 7 house-keeping genes</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4738-4681</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хархаль</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kharkhal</surname><given-names>H. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хархаль Анна Николаевна ‒ аспирант</p><p>ул. Филимонова, 23, 220114, г. Минск</p></bio><bio xml:lang="en"><p>Hanna N. Kharkhal ‒ Postgraduate student</p><p>23, Filimonov Str., 220114, Minsk</p></bio><email xlink:type="simple">anna-madlen69@yandex.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>Титов</surname><given-names>Л. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Titov</surname><given-names>L. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Титов Леонид Петрович ‒ член-корреспондент, доктор медицинских наук, профессор, заведующий лабораторией</p><p>ул. Филимонова, 23, 220114, г. Минск</p></bio><bio xml:lang="en"><p>Leonid P. Titov ‒ Corresponding Member, D. Sc. (Med.), Professor, Head of the Laboratory</p><p>23, Filimonov Str., 220114, Minsk</p></bio><email xlink:type="simple">leonidtitov@tut.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>Янович</surname><given-names>О. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Yanovich</surname><given-names>O. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Янович Ольга Олеговна ‒ кандидат биологических наук, ведущий научный сотрудник</p><p>ул. Филимонова, 23, 220114, г. Минск</p></bio><bio xml:lang="en"><p>Olga O. Yanovich ‒ Ph. D. (Biol.), Leading Researcher</p><p>23, Filimonov Str., 220114, Minsk</p></bio><email xlink:type="simple">oyanov74@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Республиканский научно-практический центр эпидемиологии и микробиологии</institution></aff><aff xml:lang="en"><institution>Republican Scientific and Practical Center for Epidemiology and Microbiology</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>29</day><month>08</month><year>2020</year></pub-date><volume>17</volume><issue>3</issue><fpage>301</fpage><lpage>319</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хархаль А.Н., Титов Л.П., Янович О.О., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Хархаль А.Н., Титов Л.П., Янович О.О.</copyright-holder><copyright-holder xml:lang="en">Kharkhal H.N., Titov l.P., Yanovich O.O.</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://vestimed.belnauka.by/jour/article/view/690">https://vestimed.belnauka.by/jour/article/view/690</self-uri><abstract><p>Изучен характер генетической изменчивости фрагментов генов «домашнего хозяйства» (ГДХ) менингококков, циркулирующих в популяции населения Беларуси. Секвенирование 7 ГДХ проводили по Сэнгеру (ABI3500). Филогенетические связи определяли с помощью программы MEGA X. SNPs анализировали онлайн на платформе базы данных в pubMLST.org. Показано, что менингококки, циркулировавшие в Беларуси в 2011–2018 гг., содержат 17 аллелей фрагмента гена abcZ (5,9 % впервые выявленных в Беларуси – abcZ 1016), кодирующих 5 вариантов АВС-переносчика; 16 аллелей гена фрагмента adk – 2 варианта аденилатциклазы; 17 аллелей aroE (11,8 % «белорусских» – aroE 944 и aroE 972) – 14 вариантов шикимат дегидрогеназы; 24 аллели fumC (4,2 % «белорусских» – fumC 988) – 4 варианта фумарат дегидратазы; 18 аллелей gdh (16,7 % впервые выявленных в Беларуси – gdh 560, gdh 985 и gdh 1083) – 4 варианта глюкозо-6-фосфат дегидрогеназы; 18 аллелей pdhC – 11 вариантов субъединицы пируватдегидрогеназы и 20 аллелей pgm – 13 вариантов фосфоглюкомутазы (5,6 и 5 % «белорусских» аллелей соответственно – pdhC 888 и pgm 1099). Доминирующие аллели: abcZ 8 – 25 %, adk 5 – 30, aroE 6 – 28,3, fumC 17 – 30, gdh 560 – 20, pdhC 18 – 21,7, pgm 2 – 25 %. Установлено, что популяция менингококков, циркулирующих среди населения Беларуси, разнообразна и включает как локальные аллели фрагментов ГДХ (7,7 %), так и аллели, выявленные у менингококков в других странах (92,3 %). Количество SNPs в ГДХ варьируется от 29 (adk) до 125 (aroE). Полиморфизм ГДХ носит, как правило, синонимичный характер, приводя к аминокислотным заменам в диапазоне от 0,6 % случаев во фрагменте гена аденилатциклазы до 26,4 % в шикимат дегидрогеназе.</p></abstract><trans-abstract xml:lang="en"><p>The objective of the article was to determine the variability of meningococcal house-keeping gene alleles circulating in Belarus. House-keeping genes sequencing was made by Sanger (ABI 3500). The phylogenetic analysis was done in MEGA X. SNPs were analyzed at pubMLST.org. 60 Belarusian meningococci, collected during 8 years, contain 17 alleles of abcZ gene (5.9 % first identified in Belarus – abcZ 1016) encoding 5 variants of the ABC transporter; 16 adk gene alleles – 2 variants of adenylate cyclase; 17 alleles of aroE gene (11.8 % Belarusian – aroE 944 and aroE 972) – 14 variants of shikimat dehydrogenase; 24 alleles of fumC gene (4.2 % Belarusian – fumC 988) – 4 variants of fumarate dehydratase; 18 alleles of gdh gene (16.7 % first identified in Belarus – gdh 560, gdh 985 and gdh 1083) – 4 variants of glucose-6-phosphate dehydrogenase; 18 alleles of pdhC gene – 11 variants of pyruvate dehydrogenase subunit and 20 alleles of pgm gene – 13 variants of phosphoglucomutase (5.6 and 5 % of Belarusian alleles − pdhC 888 and pgm 1099 respectively). Dominant alleles are abcZ 8 – 25 %, adk 5 – 30, aroE 6 – 28.3, fumC 17 – 30, gdh 560 – 20, pdhC 18 – 21.7, pgm 2 – 25 %. The Belarusian meningococcal population is diverse and includes both its own house-keeping gene alleles (7.7 %) and those circulating in other countries (92.3 %). The number of SNPs is varied from 29 (adk) to 125 (aroE). Single nucleotide polymorphisms are mostly synonymous and, on average, lead to amino acid substitutions in the range from 0.6 % in adenylate cyclase and up to 26.4 % in shikimat dehydrogenase.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>менингококк</kwd><kwd>гены «домашнего хозяйства»</kwd><kwd>аллели</kwd><kwd>рекомбинация</kwd><kwd>SNPs</kwd><kwd>эволюция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>meningococcus</kwd><kwd>house-keeping genes</kwd><kwd>alleles</kwd><kwd>recombination</kwd><kwd>SNPs</kwd><kwd>evolution</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">Variability and diversity of nasopharyngeal microbiota in children: a metagenomic analysis / D. 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