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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">Siberian Journal of Life Sciences and Agriculture</journal-id><journal-title-group><journal-title xml:lang="en">Siberian Journal of Life Sciences and Agriculture</journal-title><trans-title-group xml:lang="ru"><trans-title>Siberian Journal of Life Sciences and Agriculture</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2658-6649</issn><issn publication-format="electronic">2658-6657</issn><publisher><publisher-name xml:lang="en">Science and Innovation Center Publishing House</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">369108</article-id><article-id pub-id-type="doi">10.12731/2658-6649-2025-17-6-2-1540</article-id><article-id pub-id-type="edn">RCUGTX</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>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">Influence of stress factors on crustacean gene expression</article-title><trans-title-group xml:lang="ru"><trans-title>Влияние стресс-факторов на экспрессию генов ракообразных</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-8670-9307</contrib-id><contrib-id contrib-id-type="spin">2746-6218</contrib-id><name-alternatives><name xml:lang="en"><surname>Kovalchuk</surname><given-names>Daniil Yu.</given-names></name><name xml:lang="ru"><surname>Ковальчук</surname><given-names>Даниил Юрьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>student</p> <p> </p></bio><bio xml:lang="ru"><p>студент</p> <p> </p></bio><email>cool.d4niil@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="spin">8500-8112</contrib-id><name-alternatives><name xml:lang="en"><surname>Sarkisyan</surname><given-names>Diana S.</given-names></name><name xml:lang="ru"><surname>Саркисян</surname><given-names>Диана Славиковна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>student</p> <p> </p></bio><bio xml:lang="ru"><p>студент</p> <p> </p></bio><email>dengorden00@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Cholutaeva</surname><given-names>Enkrina E.</given-names></name><name xml:lang="ru"><surname>Чолутаева</surname><given-names>Энкрина Эренценовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>student</p> <p> </p></bio><bio xml:lang="ru"><p>студент</p> <p> </p></bio><email>cholutaevaa@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5001-4959</contrib-id><contrib-id contrib-id-type="spin">5860-1478</contrib-id><name-alternatives><name xml:lang="en"><surname>Shevchenko</surname><given-names>Victoria N.</given-names></name><name xml:lang="ru"><surname>Шевченко</surname><given-names>Виктория Николаевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Candidate of Biological Sciences, Senior Researcher of the Research laboratory “Agrobiotechnology Center”</p> <p> </p></bio><bio xml:lang="ru"><p>канд. биол. наук, старший научный сотрудник научно-исследовательской лаборатории «Центр агробиотехнологии»</p> <p> </p></bio><email>vikakhorosheltseva@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Don State Technical University</institution></aff><aff><institution xml:lang="ru">Федеральное государственное бюджетное образовательное учреждение высшего образования «Донской государственный технический университет»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-12-30" publication-format="electronic"><day>30</day><month>12</month><year>2025</year></pub-date><volume>17</volume><issue>6-2</issue><issue-title xml:lang="ru"/><fpage>112</fpage><lpage>132</lpage><history><date date-type="received" iso-8601-date="2026-01-19"><day>19</day><month>01</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Kovalchuk D.Y., Sarkisyan D.S., Cholutaeva E.E., Shevchenko V.N.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Ковальчук Д.Ю., Саркисян Д.С., Чолутаева Э.Э., Шевченко В.Н.</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Kovalchuk D.Y., Sarkisyan D.S., Cholutaeva E.E., Shevchenko V.N.</copyright-holder><copyright-holder xml:lang="ru">Ковальчук Д.Ю., Саркисян Д.С., Чолутаева Э.Э., Шевченко В.Н.</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-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rcsi.science/2658-6649/article/view/369108">https://journals.rcsi.science/2658-6649/article/view/369108</self-uri><abstract xml:lang="en"><p>Background. This review systematizes current scientific data on the influence of abiotic (pH, temperature, hypoxia, ammonia, nitrite) and biotic (viral and bacterial infections) stress factors on gene expression in crustaceans of the order Decapoda. Molecular responses affecting key functional groups of genes associated with immunity, osmoregulation, antioxidant defense, chitin metabolism, and cellular homeostasis are analyzed. Stress-induced changes in gene expression are complex, tissue-specific, and time-dependent, representing key adaptive mechanisms. The results of this analysis have important practical implications for aquaculture, opening up prospects for identifying molecular markers of stress resistance and developing strategies for optimizing the maintenance conditions of commercially important species.</p> <p>Purpose. This review aims to systematize and analyze current scientific data on the influence of abiotic (such as pH, temperature, hypoxia, ammonia, nitrites) and biotic (viral and bacterial infections) stress factors on expression of genes associated with immunity, osmoregulation, antioxidant defense, chitin metabolism and cellular homeostasis in crustaceans of the order Decapoda.</p> <p>Materials and methods. The research was conducted in the scientific research laboratory “Center of Agrobiotechnology” of the Don State Technical University in 2024-2025.</p> <p>Results. Complex changes in the expression of key genes regulating immunity, osmoregulation, antioxidant protection, chitin metabolism, and cellular homeostasis have been identified. It has been shown that these tissue-specific and time-dependent changes in expression are the central mechanism of the adaptive response to stress.</p> <p>Conclusion. An analysis of current scientific data has allowed us to systematize information on the influence of abiotic and biotic stress factors on gene expression in crustaceans, particularly in members of the order Decapoda. It has been established that changes in key environmental parameters (such as temperature, pH, ammonia and nitrite concentrations) and exposure to pathogens (viruses, bacteria) trigger complex molecular responses affecting genes associated with immunity, osmoregulation, antioxidant defense, chitin metabolism, and cellular homeostasis.</p></abstract><trans-abstract xml:lang="ru"><p>Обоснование. В данном обзоре систематизированы современные научные данные о влиянии абиотических (pH, температура, гипоксия, аммиак, нитриты) и биотических (вирусные и бактериальные инфекции) стресс-факторов на экспрессию генов у ракообразного отряда Decapoda. Проанализированы молекулярные ответы, затрагивающие ключевые функциональные группы генов, связанные с иммунитетом, осморегуляцией, антиоксидантной защитой, метаболизмом хитина и клеточным гомеостазом. Показано, что стресс-индуцированные изменения экспрессии носят комплексный, тканеспецифичный и времязависимый характер, выступая ключевым механизмом адаптации. Результаты анализа имеют важное прикладное значение для аквакультуры, открывая перспективы для идентификации молекулярных маркеров стрессоустойчивости и разработки стратегий оптимизации условий содержания коммерчески важных видов.</p> <p>Цель. Целью обзора является систематизация и анализ современных научных данных о влиянии абиотических (таких как pH, температура, гипоксия, аммиак, нитриты) и биотических (вирусные и бактериальные инфекции) стресс-факторов на экспрессию генов, ассоциированных с иммунитетом, осморегуляцией, антиоксидантной защитой, метаболизмом хитина и клеточным гомеостазом, у ракообразного отряда Decapoda.</p> <p>Материалы и методы. Исследования проводились в научно-исследовательской лаборатории «Центр агробиотехнологии» Донского государственного технического университета 2024-2025 гг.</p> <p>Результаты. Выявлены комплексные изменения в экспрессии ключевых генов, регулирующих иммунитет, осморегуляцию, антиоксидантную защиту, метаболизм хитина и клеточный гомеостаз. Показано, что эти тканеспецифичные и времязависимые изменения экспрессии являются центральным механизмом адаптационного ответа на стресс.</p> <p>Заключение. Проведенный анализ современных научных данных позволил систематизировать информацию о влиянии абиотических и биотических стресс-факторов на экспрессию генов у ракообразных, в частности у представителей отряда Decapoda. Установлено, что изменения ключевых параметров окружающей среды (таких как температура, pH, концентрация аммиака и нитритов) и воздействие патогенов (вирусов, бактерий) вызывают сложные молекулярные ответы, затрагивающие гены, связанные с иммунитетом, осморегуляцией, антиоксидантной защитой, метаболизмом хитина и клеточным гомеостазом.</p></trans-abstract><kwd-group xml:lang="en"><kwd>crustaceans</kwd><kwd>stress factors</kwd><kwd>gene expression</kwd><kwd>immunity</kwd><kwd>aquaculture</kwd><kwd>transcriptome analysis</kwd><kwd>antioxidant system</kwd><kwd>chitin metabolism</kwd><kwd>osmoregulation</kwd><kwd>Decapoda</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ракообразные</kwd><kwd>стресс-факторы</kwd><kwd>экспрессия генов</kwd><kwd>иммунитет</kwd><kwd>аквакультура</kwd><kwd>транскриптомный анализ</kwd><kwd>антиоксидантная система</kwd><kwd>хитиновый метаболизм</kwd><kwd>осморегуляция</kwd><kwd>Decapoda</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Li, B. 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