Досліджували активність гістонацетилтрансферази (ГАТ), гістондеацетилази (ГДА), вміст активних форм кисню (АФК), антиоксидантну активність аскорбатпероксидази (АП), каталази (Кат) і тіоредоксину (ТР) у клітинах калюсної культури А. thaliana на початкових етапах гострого осмотичного стресу. Встановлено, що за дії стресу підвищувались активності ГАТ, ГДА, вміст АФК, зокрема Н2О2, активності АП, Кат і ТР. Отримані результати обговорюються в аспекті регуляції експресії геному і ролі редокс-сигналінгу при формуванні стрес-реакції клітин рослин.
Ключові слова: Arabidopsis thaliana, callus culture, histone acetyltransferase, histone deacetylase, reactive oxygen species, ascorbate peroxidase, catalase, thioredoxin, osmotic stress
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