Heat-shock proteins and cross-tolerance in plants

被引:104
作者
Sabehat, A
Weiss, D
Lurie, S
机构
[1] Hebrew Univ Jerusalem, Kennedy Leigh Ctr Hort Res, IL-76100 Rehovot, Israel
[2] Agr Res Org, Volcani Ctr, Dept Postharvest Sci, IL-50250 Bet Dagan, Israel
关键词
cross-tolerance; cross-protection; heat-shock proteins; stress injuries; stress proteins;
D O I
10.1034/j.1399-3054.1998.1030317.x
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Environmental stresses dramatically affect plant survival and productivity. Because plants are immobile, presumably different strategies are required for protection against transient stresses. Under stress, plants synthesize specific proteins, and their accumulation has a role in protecting the tissue from possible damage. An increasing number of studies show the existence of cross-tolerance in plants: Exposure of tissue to moderate stress conditions often induces resistance to other stresses. Many varied mechanisms explaining the phenomenon of cross-tolerance have been proposed, and they often, but not always, suggest that specific proteins are induced by one kind of stress and are involved in the protection against other kinds. Although various cross-protections have been demonstrated in a number of plants, a common mechanism has not been found. This review discusses heat-shock proteins and their possible roles in protecting the plant under heat and other stresses.
引用
收藏
页码:437 / 441
页数:5
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