Biologia Plantarum

, Volume 50, Issue 4, pp 653–659 | Cite as

Effect of nickel on antioxidative enzyme activities, proline and chlorophyll contents in wheat shoots

  • E. GajewskaEmail author
  • M. Skłodowska
  • M. Słaba
  • J. Mazur
Original Paper


Effect of two Ni concentrations (10 and 200 μM) on growth, Ni accumulation, chlorophyll and proline contents, relative water content (RWC) as well as the activities of superoxide dismutase (SOD), catalase (CAT), peroxidase (POD) and glutathione S-transferase (GST) were studied in shoots of wheat plants. Treatments caused a considerable accumulation of Ni in the shoots. However, exposure of plants to 10 μM Ni did not lead to significant alterations in shoot growth except for a slight increase in fresh mass. The other parameters studied were not affected by treatment of plants with 10 μM Ni. In contrast, 200 μM Ni caused inhibition of shoot growth, a decline in RWC and chlorophyll content, accumulation of proline and occurrence of visible symptoms of Ni toxicity. The activities of SOD and CAT decreased in response to 200 μM Ni. Conversely, several-fold enhancements of POD and GST activities were observed following the 3rd day of 200 μM Ni treatment.

Additional key words

catalase glutathione S-transferase heavy metal peroxidase superoxide dismutase Triticum aestivum







reduced glutathione


glutathione S-transferase


nitroblue tetrazolium




reactive oxygen species


relative water content


superoxide dismutase


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Copyright information

© Institute of Experimental Botany, ASCR, Praha 2006

Authors and Affiliations

  • E. Gajewska
    • 1
    Email author
  • M. Skłodowska
    • 1
  • M. Słaba
    • 2
  • J. Mazur
    • 3
  1. 1.Department of Plant Physiology and BiochemistryUniversity of ŁódźŁódźPoland
  2. 2.Department of Industrial Microbiology and BiotechnologyUniversity of ŁódźŁódźPoland
  3. 3.Laboratory of Computer and Analytical TechniquesUniversity of ŁódźŁódźPoland

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