Making the life of heavy metal-stressed plants a little easier

被引：774

作者：

Gratao, PL

Polle, A

Lea, PJ

Azevedo, RA ^{[1
]}

机构：

[1] Univ Sao Paulo, Escola Super Agr Luiz de Queiroz, Dept Genet, BR-13418900 Piracicaba, SP, Brazil

[2] Univ Gottingen, Inst Forstbot, D-37077 Gottingen, Germany

[3] Univ Lancaster, Dept Biol Sci, Lancaster LA1 4YQ, England

来源：

FUNCTIONAL PLANT BIOLOGY | 2005年 / 32卷 / 06期

关键词：

antioxidant enzymes; heavy metals; oxidative stress; phytochelatin; phytotoxicity; reactive oxygen species;

D O I：

10.1071/FP05016

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The contamination of soils and water with metals has created a major environmental problem, leading to considerable losses in plant productivity and hazardous health effects. Exposure to toxic metals can intensify the production of reactive oxygen species (ROS), which are continuously produced in both unstressed and stressed plants cells. Some of the ROS species are highly toxic and must be detoxified by cellular stress responses, if the plant is to survive and grow. The aim of this review is to assess the mode of action and role of antioxidants in protecting plants from stress caused by the presence of heavy metals in the environment.

引用

收藏

页码：481 / 494

页数：14

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