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

Research output: Contribution to journalJournal article


  • Priscila L. Gratão
  • Andrea Polle
  • Peter J. Lea
  • Ricardo A. Azevedo
<mark>Journal publication date</mark>2005
<mark>Journal</mark>Functional Plant Biology
Number of pages14
<mark>Original language</mark>English


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.