Анотація
Досліджувався вплив стресових факторів - ультрафіолетового випромінювання (UV-B) та пероксиду водню (H2O2) на представників двох видів роду Deschampsia - D. antarctica і D. caespitosa. Встановлено, що UV-B випромінювання викликало зміни у вмісті пігментів - хлорофілів і каротиноїдів (крім віолоксантину). Склад ліпідів характеризувався накопиченням триацилгліцеролів, сульфохіновадилдіацилгліцеролу, фосфатидилхоліну та деструкцією вмісту моногалактозилдіацилгліцеролу. Вплив H2O2 спричиняв акумуляцію вмісту хлорофілу а в рослинах обох видів і каротиноїдів у рослинах D. antarctica. Дослідження вмісту гліколіпідів встановило зменшення вмісту моногалактозилдіацилгліцеролу в листках D. caespitosa та незначне накопичення сульфохіновадилдіацилгліцеролу в рослинах D. antarctica.
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