Journal
TOXICOLOGY AND INDUSTRIAL HEALTH
Volume 29, Issue 9, Pages 800-805Publisher
SAGE PUBLICATIONS INC
DOI: 10.1177/0748233712442729
Keywords
Boron; toxicity; antioxidant enzymes; hydrogen peroxide; malondialdehyde
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The aim of this study was to investigate the possible oxidative stress and the antioxidant response, which were caused on maize by boron (B). For this, 11- and 15-day-old maize seedlings were subjected to 2 or 4mM B in the form of boric acid (H3BO3) for 2 and/or 6days. At the end of the treatment period, root length, hydrogen peroxide (H2O2) content, malondialdehyde (MDA) content and the antioxidant enzymes superoxide dismutase (SOD), peroxidase (POX) and catalase (CAT) were measured. The results revealed that root length of plants, activity of antioxidative enzymes such as SOD, POX and CAT and also H2O2 contents and MDA levels were seriously affected by excess B. These results suggested that the oxidative stress occurred due to the toxic effect of B.
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