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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Russian Journal of Biological Physics and Chemisrty</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Russian Journal of Biological Physics and Chemisrty</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>АКТУАЛЬНЫЕ ВОПРОСЫ БИОЛОГИЧЕСКОЙ ФИЗИКИ И ХИМИИ</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">2499-9962</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">55002</article-id>
   <article-id pub-id-type="doi">10.29039/rusjbpc.2022.0503</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Общая биофизика</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>General biophysics</subject>
    </subj-group>
    <subj-group>
     <subject>Общая биофизика</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">PRODUCTION OF REACTIVE OXYGEN SPECIES UNDER THE ACTION OF UV-B RADIATION ON YEAST CELLS</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Продукция активных форм кислорода при действии ультрафиолетового-В излучения на клетки дрожжей</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Кочарли</surname>
       <given-names>Н. К.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Kocharli</surname>
       <given-names>N. K.</given-names>
      </name>
     </name-alternatives>
     <email>sam_bio@mail.ru</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Гумматова</surname>
       <given-names>С. Т.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Hummatova</surname>
       <given-names>S. T.</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Бакинский государственный университет</institution>
     <city>Баку</city>
     <country>Азербайджан</country>
    </aff>
    <aff>
     <institution xml:lang="en">Baku State University</institution>
     <city>Baku</city>
     <country>Azerbaijan</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Бакинский государственный университет</institution>
     <city>Баку</city>
     <country>Азербайджан</country>
    </aff>
    <aff>
     <institution xml:lang="en">Baku State University</institution>
     <city>Baku</city>
     <country>Azerbaijan</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2022-06-25T20:22:29+03:00">
    <day>25</day>
    <month>06</month>
    <year>2022</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2022-06-25T20:22:29+03:00">
    <day>25</day>
    <month>06</month>
    <year>2022</year>
   </pub-date>
   <volume>7</volume>
   <issue>2</issue>
   <fpage>199</fpage>
   <lpage>203</lpage>
   <history>
    <date date-type="received" iso-8601-date="2022-06-20T20:22:29+03:00">
     <day>20</day>
     <month>06</month>
     <year>2022</year>
    </date>
    <date date-type="accepted" iso-8601-date="2022-06-20T20:22:29+03:00">
     <day>20</day>
     <month>06</month>
     <year>2022</year>
    </date>
   </history>
   <self-uri xlink:href="https://rusjbpc.ru/en/nauka/article/55002/view">https://rusjbpc.ru/en/nauka/article/55002/view</self-uri>
   <abstract xml:lang="ru">
    <p>Настоящее исследование посвящено изучению влияния ультрафиолетового-В (УФ-В) излучения на выживаемость и продукцию активных форм кислорода в клетках дрожжей. Установлено, что при действии УФ-В излучения на клетки в зависимости от дозы увеличивается скорость окисления красителя 2',7'-дихлородигидрофлуоресцеин диацетата (H2DCF•DA) и наблюдается высокая интенсивность флуоресценции DCF. При модификации клеток аскорбиновой кислотой до облучения скорость окисления Н2DCF и интенсивность флуоресценции DCF уменьшается. Выживаемость модифицированных клеток увеличивается. Аскорбиновая кислота уменьшает количество АФК в суспензии облученных клеток. При больших дозах (4,5 10 эрг/мм2) облучения антиокислительный эффект аскорбиновой кислоты в клетках дрожжей незначителен. Определена концентрация 2-4 динитрофенола (ДНФ) 10-7 М как протектора, в которой вещество потенциально способствует проявлению эффекта «мягкого разобщения» в клетках и при влиянии УФ-В излучения на клетки дрожжей способствует снижению производства активных форм кислорода и увеличению выживаемости. Высокие концентрации (10-3 М-10-5М) ДНФ отрицательно влияют на выживаемость клеток дрожжей и продукцию АФК. Таким образом, можно заключить, что при действии УФ-В лучей на клетки дрожжей антиоксиданты возможно могут участвовать в регулировании редокс-гомеостаза.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The present investigation is devoted to the study of the effect of ultraviolet-B (UV-B) radiation on the survival and production of reactive oxygen species in yeast cells. It has been determined that under the action of UV-B radiation on cells, depending on its dose, the rate of oxidation of the dye 2',7'-dichlorodihydrofluorescein diacetate (H2DCF•DA) increases and a high intensity of DCF fluorescence is observed. When cells are modified with ascorbic acid before irradiation, the rate of H2DCF oxidation and the intensity of DCF fluorescence decreases. The survival rate of modified cells is increased. Ascorbic acid reduces the amount of ROS in the suspension of irradiated cells. At high doses (4.5-10 erg/mm2) of irradiation, the antioxidant effect of ascorbic acid in yeast cells is negligible. The concentration of 2-4 dinitrophenol (DNF) 10-7 M was determined as a protector, in which the substance potentially contributes to the manifestation of the effect of &quot;soft uncoupling&quot; in cells and, under the influence of UV-B radiation on yeast cells, helps to reduce the production of reactive oxygen species and an increase in survival. High concentrations (10–3M–10–5 M) of DNP adversely affect the survival of yeast cells and ROS production. So, it can be concluded that under the action of UV-B rays on yeast cells, antioxidants can possibly participate in the regulation of redox homeostasis.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>клетки дрожжей</kwd>
    <kwd>выживаемость</kwd>
    <kwd>ультрафиолетовое-В излучение</kwd>
    <kwd>аскорбиновая кислота</kwd>
    <kwd>2</kwd>
    <kwd>4-динитрофенол</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>yeast cells</kwd>
    <kwd>survival</kwd>
    <kwd>ultraviolet-B radiation</kwd>
    <kwd>ascorbic acid</kwd>
    <kwd>2</kwd>
    <kwd>4-dinitrophenol</kwd>
   </kwd-group>
  </article-meta>
 </front>
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