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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">33959</article-id><article-id pub-id-type="doi">10.17816/ecogen33959</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Genetic basis of ecosystems evolution</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Генетические основы эволюции экосистем</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">Characterization of variability of the intergenic spacers cpDNA trnH–psbA, trnY–trnT AND rpoB–trnC in representatives of Pisum L. (Tribe Fabeae)</article-title><trans-title-group xml:lang="ru"><trans-title>Анализ вариабельности участков trnH–psbA, trnY–trnT И rpoB–trnC хлоропластного генома у представителей рода Pisum L. (Триба Fabeae)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0570-9751</contrib-id><contrib-id contrib-id-type="spin">4525-9700</contrib-id><name-alternatives><name xml:lang="en"><surname>Dyachenko</surname><given-names>Elena A.</given-names></name><name xml:lang="ru"><surname>Дьяченко</surname><given-names>Елена Андреевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Researcher, Laboratory of Plant System Biology</p></bio><bio xml:lang="ru"><p>канд. биол. наук, научный сотрудник лаборатории системной биологии растений</p></bio><email>dyachenko-el@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2637-1091</contrib-id><contrib-id contrib-id-type="spin">4667-9935</contrib-id><name-alternatives><name xml:lang="en"><surname>Semenova</surname><given-names>Elena V.</given-names></name><name xml:lang="ru"><surname>Семенова</surname><given-names>Елена Викторовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Main Researcher, Department of Leguminous Crops Genetic Resources</p></bio><bio xml:lang="ru"><p>канд. биол. наук, ведущий научный сотрудник отдела генетических ресурсов зернобобовых культур</p></bio><email>e.semenova@vir.nw.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6091-0765</contrib-id><name-alternatives><name xml:lang="en"><surname>Kochieva</surname><given-names>Elena Z.</given-names></name><name xml:lang="ru"><surname>Кочиева</surname><given-names>Елена Зауровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Sci. (Biol.), Main Researcher, Laboratory of Plant System Biology</p></bio><bio xml:lang="ru"><p>д-р биол. наук, профессор, ведущий научный сотрудник лаборатории системной биологии растений</p></bio><email>ekochieva@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Federal State Institution Research Center of Biotechnology of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Федеральный исследовательский центр «Фундаментальные основы биотехнологии» Российской академии наук</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Federal State Budgetary Scientific Institution Federal Research Center the N.I. Vavilov All-Russian Institute of Plant Genetic Resources</institution></aff><aff><institution xml:lang="ru">Федеральное государственное бюджетное научное учреждение «Федеральный исследовательский центр Всероссийский институт генетических ресурсов растений им. Н.И. Вавилова»</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2020-10-29" publication-format="electronic"><day>29</day><month>10</month><year>2020</year></pub-date><pub-date date-type="pub" iso-8601-date="2020-12-12" publication-format="electronic"><day>12</day><month>12</month><year>2020</year></pub-date><volume>18</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>445</fpage><lpage>456</lpage><history><date date-type="received" iso-8601-date="2020-04-30"><day>30</day><month>04</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-10-29"><day>29</day><month>10</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Dyachenko E.A., Semenova E.V., Kochieva E.Z.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, ООО "Эко-вектор"</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Dyachenko E.A., Semenova E.V., Kochieva E.Z.</copyright-holder><copyright-holder xml:lang="ru">ООО "Эко-вектор"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2023-12-12"/><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/33959">https://journals.eco-vector.com/ecolgenet/article/view/33959</self-uri><abstract xml:lang="en"><p><bold>Background.</bold> Plant chloroplast genome have conservative structure, but its nucleotide sequence is polymorphous due to which cpDNA fragments are often used in taxonomic and phylogenetic studies. Despite the widespread distribution and use of Fabeae species, mainly peas (<italic>Pisum</italic>), data on the intraspecific diversity of cpDNA fragments are almost absent. The aim of the work was to analyze the intraspecific variability of three cpDNA spacers in Pisum.</p> <p><bold>Materials and methods.</bold> As a result of the work, intergenic spacers <italic>trnY</italic>–<italic>trnT</italic>, <italic>trnH</italic>–<italic>psbA</italic> and <italic>rpoB</italic>–<italic>trnC</italic> in 38 accessions of the <italic>Pisum</italic> and related Fabeae species were sequenced. Despite the fact that the selected chloroplast fragments are generally considered to be sufficiently variable in plants and are often used for phylogenetic studies, <italic>Pisum</italic> accessions have been found to have no intraspecific differences in two of the three spacers sequences analyzed.</p> <p><bold>Results and conclusion.</bold> A total 97 SNPs were detected in <italic>Pisum</italic> accessions, seven of them distinguished <italic>P. sativum</italic> from <italic>P. fulvum</italic>. The most variable of the analyzed fragments was the intergenic spacer <italic>rpoB–trnC</italic>. Based on <italic>rpoB–trnC</italic> sequence 17 haplotypes in <italic>P. sativum</italic> and four haplotypes in <italic>P. fulvum</italic> were revealed. The cpDNA sequencing data were used for a phylogenetic analysis. On the obtained tree <italic>Vavilovia formosa</italic> accession formed a separate branch from pea accessions. All <italic>Pisum</italic> accessions fall in one cluster, split into distinct <italic>P. sativum</italic> and <italic>P. fulvum</italic> subclusters (BI = 99%).</p></abstract><trans-abstract xml:lang="ru"><p>Хлоропластный геном растений консервативен по структуре, но достаточно полиморфен по нуклеотидному составу, в связи с чем участки хпДНК часто используются в таксономических и филогенетических исследованиях. Несмотря на повсеместное распространение и широкое использование представителей трибы Fabeae, и в первую очередь гороха (род <italic>Pisum</italic>), данные о внутривидовом разнообразии отдельных участков хпДНК ограничены. Целью работы являлся анализ внутривидовой вариабельности трех участков пластидного генома у видов <italic>Pisum</italic>. В результате работы были секвенированы участок <italic>trnY</italic>–<italic>trnT </italic>и межгенные спейсеры <italic>trnH</italic>–<italic>psbA</italic>, и <italic>rpoB</italic>–<italic>trnC</italic> у 38 образцов рода <italic>Pisum</italic> и близких видов трибы Fabeae. Несмотря на то что выбранные участки хпДНК в целом считаются достаточно вариабельными у растений и часто используются для филогенетических исследований, у представителей рода <italic>Pisum</italic> не было выявлено внутривидовых различий в двух из трех анализируемых участках. Всего у образцов <italic>Pisum</italic> было выявлено 97 SNPs, из них 7 были между видами <italic>P. sativum</italic> и P<italic>. fulvum</italic>. Наиболее вариабельным из анализируемых участков оказался межгенный спейсер <italic>rpoB</italic>–<italic>trnC</italic>, который у <italic>P. sativum</italic> был представлен 17 гаплотипами, <italic>P. fulvum</italic> — четырьмя. По результатам анализа трех участков хпДНК был проведен филогенетический анализ. Образец <italic>Vavilovia formosa</italic> формировал отдельную от образцов гороха ветвь. Представители рода <italic>Pisum</italic> формировали единый кластер, который включал отдельные подкластеры видов <italic>P. sativum</italic> и <italic>P. fulvum</italic> (индекс бутстрепа (ИБ) = 99 %).</p></trans-abstract><kwd-group xml:lang="en"><kwd>Pisum</kwd><kwd>tribe Fabeae</kwd><kwd>chloroplast genome</kwd><kwd>cpDNA</kwd><kwd>intergenic spacers</kwd><kwd>intraspecies polymorphism</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>род Pisum</kwd><kwd>триба Fabeae</kwd><kwd>хлоропластный геном</kwd><kwd>хпДНК</kwd><kwd>межгенные спейсеры</kwd><kwd>внутривидовой полиморфизм</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Министерство науки и высшего образования.</institution></institution-wrap></funding-source></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Davis CC, Anderson WR, Donoghue MJ. 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