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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Ecological genetics</journal-id><journal-title-group><journal-title xml:lang="en">Ecological genetics</journal-title><trans-title-group xml:lang="ru"><trans-title>Экологическая генетика</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1811-0932</issn><issn publication-format="electronic">2411-9202</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">5510</article-id><article-id pub-id-type="doi">10.17816/ecogen3215-21</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Phylogenetic analysis of perfect repeats in the genomes of unicellular cyanobacteria</article-title><trans-title-group xml:lang="ru"><trans-title>ФИЛОГЕНЕТИЧЕСКИЙ АНАЛИЗ СОВЕРШЕННЫХ ПОВТОРОВ В ГЕНОМАХ ОДНОКЛЕТОЧНЫХ ЦИАНОБАКТЕРИЙ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mikheeva</surname><given-names>Lidia E</given-names></name><name xml:lang="ru"><surname>Михеева</surname><given-names>Лидия Евгеньевна</given-names></name></name-alternatives><email>shestakovgen@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Orlov</surname><given-names>Yuri L</given-names></name><name xml:lang="ru"><surname>Орлов</surname><given-names>Юрий Львович</given-names></name></name-alternatives><email>orlov@bionet.nsc.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kolchanov</surname><given-names>Nikolay A</given-names></name><name xml:lang="ru"><surname>Колчанов</surname><given-names>Николай Александрович</given-names></name></name-alternatives><email>kol@bionet.nsc.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shestakov</surname><given-names>Sergey V</given-names></name><name xml:lang="ru"><surname>Шестаков</surname><given-names>Сергей Васильевич</given-names></name></name-alternatives><email>shestakovgen@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">M.V. Lomonosov Moscow State University , Moscow, RF</institution></aff><aff><institution xml:lang="ru">Московский государственный университет им. М.В. Ломоносова, Москва, РФ</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Institute of Cytology and Genetics SB RAS, Novosibirsk, Novosibirsk Oblast, RF</institution></aff><aff><institution xml:lang="ru">Институт цитологии и генетики СО РАН, Новосибирск, Новосибирская область, РФ</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">M. V. Lomonosov Moscow State University, Moscow, RF</institution></aff><aff><institution xml:lang="ru">Московский государственный университет им. М.В. Ломоносова, Москва, РФ</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2005-06-15" publication-format="electronic"><day>15</day><month>06</month><year>2005</year></pub-date><volume>3</volume><issue>2</issue><issue-title xml:lang="en">VOL 3, NO2 (2005)</issue-title><issue-title xml:lang="ru">ТОМ 3, №2 (2005)</issue-title><fpage>15</fpage><lpage>21</lpage><history><date date-type="received" iso-8601-date="2016-11-14"><day>14</day><month>11</month><year>2016</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2005, Mikheeva L.E., Orlov Y.L., Kolchanov N.A., Shestakov S.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2005, Михеева Л.Е., Орлов Ю.Л., Колчанов Н.А., Шестаков С.В.</copyright-statement><copyright-year>2005</copyright-year><copyright-holder xml:lang="en">Mikheeva L.E., Orlov Y.L., Kolchanov N.A., Shestakov S.V.</copyright-holder><copyright-holder xml:lang="ru">Михеева Л.Е., Орлов Ю.Л., Колчанов Н.А., Шестаков С.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.eco-vector.com/ecolgenet/article/view/5510">https://journals.eco-vector.com/ecolgenet/article/view/5510</self-uri><abstract xml:lang="en"><p>We have fulfilled in silico research of number, structure, distribution and location of direct and inverted repeated sequences in eight complete genomes of unicellular cyanobacteria. Analysis of whole genome repeats has shown utility of this approach for purposes of molecular phylogeny and ecological genomics. Comparative analysis of nonrandom repeats patterns has allowed: 1) to confirm the close genetic relationship of two Prochlorococcus marinus strains (MED4 and SS120) that have reduced genomes and inhabit the econiches with different light intensities; 2) to suggest the close phylogenetic relationship of genomes Prochlorococcus marinus MIT9313 and Synechococcus WH8102 that significantly differ by sets of lightharvesting photosystem; 3) to  reveal specific differences in genome organization between marine and freshwater cyanobacteria.</p></abstract><trans-abstract xml:lang="ru"><p>Исследование in silico структуры, количества, распределения и локализации (внутригенной и межгенной) прямых и инвертированных повторяющихся последовательностей в геномах восьми одноклеточных цианобактерий показало перспективность такого подхода в полногеномном анализе для решения задач молекулярной филогении и экологической геномики. Сравнительный анализ распределения неслучайных повторов позволил: подтвердить высокую степень генетического родства двух штаммов Prochlorococcus marinus (MED4 и SS120), обладающих редуцированными геномами и обитающих в различных по уровням освещенности эконишах; установить филогенетическую близость геномов Prochlorococcus marinus MIT9313 иSynechococcus WH8102, существенно различающихся по набору белков светособирающих комплексов фотосистем, но занимающих сходные ниши в морских экосистемах; выявить характерные различия в геномной организации между морскими и пресноводными видами одноклеточных цианобактерий.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ЭВОЛЮЦИОННАЯ ГЕНОМИКА</kwd><kwd>ЦИАНОБАКТЕНРИИ</kwd><kwd>ПОВТОРЯЮЩИЕСЯ ПОСЛЕДОВАТЕЛЬНОСТИ</kwd><kwd>ЭКОФИЗИОЛОГИЯ</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Орлов Ю.Л. Анализ повторов в полных бактериальных геномах.//Тр. III съезда ВОГиС. 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