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- Title
Exogenously-supplied trehalose protects thylakoid membranes of winter wheat from heat-induced damage.
- Authors
LUO, Y.; LI, F.; WANG, G. P.; YANG, X. H.; WANG, W.
- Abstract
The effects of trehalose pretreatment on thylakoid membranes of winter wheat were investigated under heat stress. Under normal growth conditions, the winter wheat synthesized 502 μg g−1(f.m.) trehalose, which increased to 1250 μg g−1(f.m.) under heat stress and to 1658 μg g−1(f.m.) in trehalose-pretreated seedlings. Under heat stress, proteins in the thylakoid membranes and the photosynthetic capacity were protected by trehalose pretreatment. Moreover, the electrolyte leakage, contents of malondialdehyde, superoxide anion and hydrogen peroxide, and lipoxygenase activity in trehalose-pretreated seedlings were lower than in the non-pretreated plants.
- Subjects
THYLAKOIDS; PHYSIOLOGICAL effects of heat; SEEDLINGS; HYDROGEN peroxide; LIPOXYGENASES
- Publication
Biologia Plantarum, 2010, Vol 54, Issue 3, p495
- ISSN
0006-3134
- Publication type
Academic Journal
- DOI
10.1007/s10535-010-0087-y