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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">54576</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Моделирование в биофизике</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Modelling in biophycis</subject>
    </subj-group>
    <subj-group>
     <subject>Моделирование в биофизике</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Orcinol migration through model membranes of Escherichia coli</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Миграция орцинола через модельные мембраны Escherichia coli </trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Терешкин</surname>
       <given-names>Э. В.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Tereshkin</surname>
       <given-names>E. V.</given-names>
      </name>
     </name-alternatives>
     <email>ramm@mail.ru</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Терешкина</surname>
       <given-names>К. Б.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Tereshkina</surname>
       <given-names>K. B.</given-names>
      </name>
     </name-alternatives>
     <email>ksenia.tereshkina@chph.ras.ru</email>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Крупянский</surname>
       <given-names>Ю. Ф.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Krupyanskii</surname>
       <given-names>Y. F.</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">ФИЦ химической физики им. Н.Н. Семенова РАН</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">ФИЦ химической физики им. Н.Н. Семенова РАН</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">ФИЦ химической физики им. Н.Н. Семенова РАН</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2020-12-25T20:22:29+03:00">
    <day>25</day>
    <month>12</month>
    <year>2020</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2020-12-25T20:22:29+03:00">
    <day>25</day>
    <month>12</month>
    <year>2020</year>
   </pub-date>
   <volume>5</volume>
   <issue>4</issue>
   <fpage>619</fpage>
   <lpage>622</lpage>
   <history>
    <date date-type="received" iso-8601-date="2020-12-20T20:22:29+03:00">
     <day>20</day>
     <month>12</month>
     <year>2020</year>
    </date>
    <date date-type="accepted" iso-8601-date="2020-12-20T20:22:29+03:00">
     <day>20</day>
     <month>12</month>
     <year>2020</year>
    </date>
   </history>
   <self-uri xlink:href="https://rusjbpc.ru/en/nauka/article/54576/view">https://rusjbpc.ru/en/nauka/article/54576/view</self-uri>
   <abstract xml:lang="ru">
    <p>В работе методами классической молекулярной динамики исследуется влияние орцинола (3,5-дигидрокситолуола; 5-метилрезорцина) на модельные мембраны грамотрицательной бактериальной клетки Escherichia coli и миграция молекул орцинола через модельные мембраны и через поры внешней мембраны, образованные поринами. Оба слоя внутренней мембраны и внутренний монослой внешней мембраны смоделированы как смешанные слои 75% POPE / 25% POPG. Наружний монослой внешней мембраны состоит из липополисахаридов. Исследована динамика модельных мембран в присутствии орцинола. С помощью потенциала средней силы определены профили свободной энергии миграции молекулы орцинола через канал порина внешней мембраны и плазматическую мембрану. Обнаружено, что основным механизмом миграции молекул орцинола через мембраны являются непосредственно бислои. Показано, что молекулы орцинола могут как проникать внутрь клетки через мембраны и взаимодействовать с внутриклеточными структурами, так и легко встраиваться в бислои, изменяя их физико-химические параметры.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>In this work, the influence of orcinol (3,5-dihydroxytoluene; 5-methylresorcinol) on model membranes of a gram-negative bacterial cell of Escherichia coli and the migration of orcinol molecules through model membranes and through the pores of the outer membrane formed by porins were investigated using the methods of classical molecular dynamics. Both the inner membrane leaflets and the inner leaflet of the outer membrane were modeled as mixed layers of 75% POPE / 25% POPG lipids. The outer leaflet of the outer membrane was composed of lipopolysaccharides. The dynamics of model membranes in the presence of orcinol was studied. Using the potential of mean force, the free energy profiles of migration of the orcinol molecule through the porin channel and the membrane were determined. It was found that the main mechanism of migration of orcinol molecules into the cell is diffusion through bilayers. It has been shown that orcinol molecules can both penetrate into the cell through membranes for interaction with intracellular structures, and can easily integrate into bilayers, changing their physicochemical parameters.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>5-метилрезорцин</kwd>
    <kwd>орцинол</kwd>
    <kwd>мембрана E. coli</kwd>
    <kwd>молекулярная динамика</kwd>
    <kwd>миграция малых молекул через бактериальную мембрану</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>5-methylresorcinol</kwd>
    <kwd>orcinol</kwd>
    <kwd>E. coli membrane</kwd>
    <kwd>molecular dynamics</kwd>
    <kwd>migration of small molecules through the bacterial membrane</kwd>
   </kwd-group>
   <funding-group>
    <funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания Минобрнауки России (Тема 0082-2019-0015, № AAAA-A20-120031490003-7, Тема 0104-2019-0005). Расчеты проводились на высокопроизводительной вычислительной системе МВС-10П в Межведомственном суперкомпьютерном центре Российской академии наук (МСЦ РАН), проект CHPH2.</funding-statement>
   </funding-group>
  </article-meta>
 </front>
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