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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Transactions of Papanin Institute for Biology of Inland Waters RAS</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Transactions of Papanin Institute for Biology of Inland Waters RAS</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Труды Института биологии внутренних вод имени И.Д. Папанина Российской академии наук</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">0320-3557</issn>
   <issn publication-format="online">2712-8377</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">106430</article-id>
   <article-id pub-id-type="doi">10.47021/0320-3557-2025-70-75</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Без рубрики</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Without rubric</subject>
    </subj-group>
    <subj-group>
     <subject>Без рубрики</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">APPLICATION OF RADIOBIOLOGICAL METHODS IN STUDYING CHROMATIN DIMINUTION IN CYCLOPS (COPEPODA, CRUSTACEA)</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>ПРИМЕНЕНИЕ МЕТОДОВ РАДИОБИОЛОГИИ ПРИ ИЗУЧЕНИИ ДИМИНУЦИИ ХРОМАТИНА У ЦИКЛОПОВ (COPEPODA, CRUSTACEA)</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Гришанин</surname>
       <given-names>А. К.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Grishanin</surname>
       <given-names>A. K.</given-names>
      </name>
     </name-alternatives>
    </contrib>
   </contrib-group>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2025-11-12T19:31:02+03:00">
    <day>12</day>
    <month>11</month>
    <year>2025</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2025-11-12T19:31:02+03:00">
    <day>12</day>
    <month>11</month>
    <year>2025</year>
   </pub-date>
   <issue>110</issue>
   <fpage>70</fpage>
   <lpage>75</lpage>
   <history>
    <date date-type="received" iso-8601-date="2025-03-24T00:00:00+03:00">
     <day>24</day>
     <month>03</month>
     <year>2025</year>
    </date>
    <date date-type="accepted" iso-8601-date="2025-04-04T00:00:00+03:00">
     <day>04</day>
     <month>04</month>
     <year>2025</year>
    </date>
   </history>
   <self-uri xlink:href="https://ibiw.editorum.ru/en/nauka/article/106430/view">https://ibiw.editorum.ru/en/nauka/article/106430/view</self-uri>
   <abstract xml:lang="ru">
    <p>Приведены результаты работ по радиочувствительности хромосом у C. kolensis и C. insignis (Copepoda, Crustacea), у одного из которых наблюдается диминуция хроматина, а у второго — отсутствует.&#13;
Результаты исследований диминуции хроматина методами радиобиологии позволили установить резкое снижение частоты хромосомных аберраций в последиминуционных клетках и обнаружить низкий уровень спонтанных хромосомных аберраций во время ранних делений. Дозы гамма-радиации от 1 до 5 Гр приводят к замедлению клеточного цикла у зародышей у C. kolensis и C. insignis, а облучение дозами от 20 Гр и выше останавливает развитие зародышей на стадии 8–16 кл., при этом процесс диминуции хроматина у зародышей C. kolensis не нарушается. Доза 200 Гр блокирует процесс диминуции хроматина у C. kolensis.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>This paper briefly reviews the results of studies on chromosome radiosensitivity in Cyclops kolensis and Cyclops insignis (Copepoda, Crustacea), one of which exhibits chromatin diminution and the other does not. The results of studies of chromatin diminution using radiobiological methods have revealed a sharp decrease in the frequency of chromosomal aberrations in post-diminution cells and a low level of spontaneous chromosomal aberrations during early divisions. Gamma-radiation doses of 1 to 5 Gy slow down the cell cycle in C. kolensis and C. insignis embryos, while irradiation at doses of 20 Gy and higher stops embryo development at the 8–16-cell stage, while the process of chromatin diminution in C. kolensis embryos is not disrupted. A dose of 200 Gy blocks the process of chromatin diminution in C. kolensis.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>Cyclopoida</kwd>
    <kwd>эмбриогенез</kwd>
    <kwd>γ-излучение</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>Cyclopoida</kwd>
    <kwd>embryogenesis</kwd>
    <kwd>γ-radiation</kwd>
   </kwd-group>
  </article-meta>
 </front>
 <body>
  <p></p>
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