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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">13488</article-id><article-id pub-id-type="doi">10.17816/ecogen17447-55</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">The analysis of the polyamine oxidase genes in the methylotrophic yeast Komagataella phaffii</article-title><trans-title-group xml:lang="ru"><trans-title>Анализ генов полиаминоксидаз у метилотрофных дрожжей Komagataella phaffii</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ivanova</surname><given-names>Alina V.</given-names></name><name xml:lang="ru"><surname>Иванова</surname><given-names>Алина Владиславовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>4<sup>th</sup> year Student of the Department of Genetics and Biotechnology</p></bio><bio xml:lang="ru"><p>студентка 4-го курса кафедры генетики и биотехнологии</p></bio><email>alinalans@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sidorin</surname><given-names>Anton V.</given-names></name><name xml:lang="ru"><surname>Сидорин</surname><given-names>Антон Витальевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Bachelor of Science (BSc) in the Genetics and Biotechnology Department</p></bio><bio xml:lang="ru"><p>бакалавр кафедры генетики и биотехнологии</p></bio><email>spacerocketpilot@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0837-0498</contrib-id><contrib-id contrib-id-type="scopus">6603061322</contrib-id><contrib-id contrib-id-type="researcherid">H-6895-2013</contrib-id><contrib-id contrib-id-type="spin">8281-8020</contrib-id><name-alternatives><name xml:lang="en"><surname>Sambuk</surname><given-names>Elena V.</given-names></name><name xml:lang="ru"><surname>Самбук</surname><given-names>Елена Викторовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor of Science, Professor of the Department of Genetics and Biotechnology</p></bio><bio xml:lang="ru"><p>д-р биол. наук, профессор кафедры генетики и биотехнологии</p></bio><email>esambuk@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1744-3890</contrib-id><contrib-id contrib-id-type="scopus">55370658800</contrib-id><contrib-id contrib-id-type="spin">9335-1184</contrib-id><name-alternatives><name xml:lang="en"><surname>Rumyantsev</surname><given-names>Andrei M.</given-names></name><name xml:lang="ru"><surname>Румянцев</surname><given-names>Андрей Михайлович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Senior Researcher of the Department of Genetics and Biotechnology</p></bio><bio xml:lang="ru"><p>канд. биол. наук, младший научный сотрудник кафедры генетики и биотехнологии</p></bio><email>rumyantsev-am@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">St. Petersburg State University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Санкт-Петербургский государственный университет»</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2019-12-02" publication-format="electronic"><day>02</day><month>12</month><year>2019</year></pub-date><pub-date date-type="pub" iso-8601-date="2019-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2019</year></pub-date><volume>17</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>47</fpage><lpage>55</lpage><history><date date-type="received" iso-8601-date="2019-06-17"><day>17</day><month>06</month><year>2019</year></date><date date-type="accepted" iso-8601-date="2019-12-02"><day>02</day><month>12</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Ivanova A.V., Sidorin A.V., Sambuk E.V., Rumyantsev A.M.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Иванова А.В., Сидорин А.В., Самбук Е.В., Румянцев А.М.</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Ivanova A.V., Sidorin A.V., Sambuk E.V., Rumyantsev A.M.</copyright-holder><copyright-holder xml:lang="ru">Иванова А.В., Сидорин А.В., Самбук Е.В., Румянцев А.М.</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/13488">https://journals.eco-vector.com/ecolgenet/article/view/13488</self-uri><abstract xml:lang="en"><p>Polyamines are present in all living cells and regulate a wide range of biological processes. In <italic>Saccharomyces cerevisiae</italic> the polyamine oxidase Fms1p converts spermine to spermidine and 3-aminopropionaldehyde, which is necessary for the synthesis of pantothenic acid and hypusination. This paper shows that <italic>S. cerevisiae FMS1</italic> gene orthologs are present in all major representatives of the <italic>Saccharomycotina</italic> subdivision, but their copy numbers are different. In the <italic>Komagataella phaffii</italic> (<italic>Pichia pastoris</italic>) yeast, two polyamine oxidase genes (<italic>KpFMS1</italic> and <italic>KpFMS2</italic>) were identified, and the regulation of their promoters activity was studied.</p></abstract><trans-abstract xml:lang="ru"><p>Полиамины присутствуют во всех живых клетках и регулируют широкий спектр биологических процессов. У дрожжей <italic>Saccharomyces cerevisiae</italic> полиаминоксидаза Fms1p превращает спермин в спермидин и 3-аминопропаналь, что необходимо для синтеза пантотеновой кислоты и гипузинирования. В данной работе показано, что ортологи гена <italic>FMS1</italic> дрожжей <italic>S. cerevisiae</italic> присутствуют у всех основных представителей подотдела <italic>Saccharomycotina</italic>, однако их копийность различна. У дрожжей <italic>Komagataella рhaffii</italic> (<italic>Pichia pastoris</italic>) идентифицированы два гена полиаминоксидаз (<italic>KpFMS1</italic> и <italic>KpFMS2</italic>) и изучена регуляция активности их промоторов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>polyamine oxidases</kwd><kwd>methylotrophic yeast</kwd><kwd>Komagataella phaffii</kwd><kwd>Pichia pastoris</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>полиаминоксидазы</kwd><kwd>метилотрофные дрожжи</kwd><kwd>Komagataella phaffii</kwd><kwd>Pichia pastoris</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="en">RFBR</institution></institution-wrap><institution-wrap><institution xml:lang="ru">РФФИ</institution></institution-wrap></funding-source><award-id></award-id></award-group><funding-statement xml:lang="en">This work was supported by the RFBR grant No. 18-34-00750 mol_a.</funding-statement><funding-statement xml:lang="ru">Работа выполнена при поддержке гранта РФФИ № 18-34-00750 мол_а.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Wallace HM, Fraser AV, Hughes A. 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