Роль мутаций генов piwi и aub в радиационно-индуцированном ответе у Drosophila melanogaster
- Авторы: Юшкова Е.А.1
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Учреждения:
- Коми научный центр Уральского отделения РАН
- Выпуск: Том 65, № 1 (2025)
- Страницы: 64–73
- Раздел: Молекулярная радиобиология
- URL: https://consilium.orscience.ru/0869-8031/article/view/688228
- DOI: https://doi.org/10.31857/S0869803125010066
- EDN: https://elibrary.ru/KONDGN
- ID: 688228
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Аннотация
В данном исследовании впервые получены сведения о чувствительности животных с дисфункцией генов piwi и aub к хроническому облучению в малых дозах (20 сГр) и проявлении у анализируемых мутантов радиоадаптивного ответа. Реакция мутантных генотипов Drosophila melanogaster на облучение была проанализирована по показателям “продолжительность жизни”, “фертильность” и “повреждения ДНК”. Результаты экспериментов показали, что у самок с мутацией piwi обнаружено адаптивное действие хронического облучения в малых дозах (20 сГр) в ответ на последующую экспозицию в дозе 60 Гр. Хроническое низкоинтенсивное облучение не повлияло на репродуктивные функции и уровень повреждений ДНК в гонадах особей с дисфункцией генов piwi и aub, но привело к повышению их продолжительности жизни. Таким образом, функциональное снижение некоторых генов семейства Argonaute может модифицировать эффекты облучения с формированием у животных радиорезистентных признаков.
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Об авторах
Елена Александровна Юшкова
Коми научный центр Уральского отделения РАН
Автор, ответственный за переписку.
Email: ushkova@ib.komisc.ru
ORCID iD: 0000-0002-5580-2276
Институт биологии
Россия, Республика Коми, г. Сыктывкар, ул. Коммунистическая, 28Список литературы
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