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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">Acta Naturae</journal-id><journal-title-group><journal-title xml:lang="en">Acta Naturae</journal-title><trans-title-group xml:lang="ru"><trans-title>Acta Naturae</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-8251</issn><publisher><publisher-name xml:lang="en">Acta Naturae Ltd</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">10944</article-id><article-id pub-id-type="doi">10.32607/actanaturae.10944</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Research Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Экспериментальные 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">The telomeric Cdc13 protein from yeast Hansenula polymorpha</article-title><trans-title-group xml:lang="ru"><trans-title>Теломерный белок Cdc13 дрожжей Hansenula polymorpha</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Malyavko</surname><given-names>Alexander N.</given-names></name><name xml:lang="ru"><surname>Малявко</surname><given-names>Александр Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>химический факультет</p></bio><email>malyavkoan@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dontsova</surname><given-names>Olga A.</given-names></name><name xml:lang="ru"><surname>Донцова</surname><given-names>Ольга Анатольевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>malyavkoan@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Lomonosov Moscow State University, Belozersky Institute of Physico-Chemical Biology</institution></aff><aff><institution xml:lang="ru">Московский государственный университет им. М.В. Ломоносова, Институт физико-химической биологии им. А.Н. Белозерского</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Skolkovo Institute of Science and Technology</institution></aff><aff><institution xml:lang="ru">Сколковский институт науки и технологий</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт биоорганической химии им. академиков М.М. Шемякина и Ю.А. Овчинникова РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-04-16" publication-format="electronic"><day>16</day><month>04</month><year>2020</year></pub-date><volume>12</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>84</fpage><lpage>88</lpage><history><date date-type="received" iso-8601-date="2020-03-30"><day>30</day><month>03</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-04-06"><day>06</day><month>04</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Malyavko A.N., Dontsova O.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Малявко А.Н., Донцова О.А.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Malyavko A.N., Dontsova O.A.</copyright-holder><copyright-holder xml:lang="ru">Малявко А.Н., Донцова О.А.</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/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://actanaturae.ru/2075-8251/article/view/10944">https://actanaturae.ru/2075-8251/article/view/10944</self-uri><abstract xml:lang="en"><p>Telomeres are special structures at the ends of chromosomes that play an important role in the protection of the genetic material. Telomere composition is very diverse; noticeable differences can often be observed even among closely related species. Here, we identify the homolog of telomeric protein Cdc13 in the thermotolerant yeast <italic>Hansenula polymorpha</italic>. We show that it can specifically bind single-stranded telomeric DNA, as well as interact with the Stn1 protein. In addition, we have uncovered an interaction between Cdc13 and TERT (one of the core components of the telomerase complex), which suggests that Cdc13 is potentially involved in telomerase recruitment to telomeres in <italic>H. polymorpha</italic>.</p></abstract><trans-abstract xml:lang="ru"><p>Теломеры – особые структуры на концах хромосом – играют важнейшую роль в защите генетической информации. Строение теломер чрезвычайно разнообразно, даже у близкородственных видов теломеры зачастую заметно различаются. В данной работе в клетках термотолерантных дрожжей <italic>Hansenula</italic> <italic>polymorpha</italic> мы идентифицировали гомолог теломерного белка Cdc13. Показано, что этот белок способен специфично связывать одноцепочечную ДНК теломер, а также взаимодействовать с белком Stn1. Обнаружено взаимодействие между Cdc13 и белком TERT (основной компонент теломеразного комплекса), что указывает на возможное участие Cdc13 в привлечении теломеразы на теломеры <italic>H</italic><italic>. </italic><italic>polymorpha</italic>.</p></trans-abstract><kwd-group xml:lang="en"><kwd>telomeres</kwd><kwd>telomerase</kwd><kwd>Cdc13</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>теломеры</kwd><kwd>теломераза</kwd><kwd>Cdc13</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Российский Фонд Фундаментальных Исследований</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Foundation for Basic Research</institution></institution-wrap></funding-source><award-id>17-04-01692 А</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Shay J.W., Wright W.E. // Nat. Rev. Genet. 2019. V. 20. № 5. 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