Response of antioxidant enzymes in rice (Oryza sauva L. cv. Dongjin) under mercury stress

  title={Response of antioxidant enzymes in rice (Oryza sauva L. cv. Dongjin) under mercury stress},
  author={Mohammad Babar Ali and Hyun Sik Chun and Chin Bum Lee},
  journal={Journal of Plant Biology},
We studied the effects of different concentrations of mercury (0.0 to 100 µM) on growth and photosynthetic efficiency in rice plants treated for 21 d. In addition, we investigated how this metal affected the malondialdehyde (MDA) content as well as the activity of five antioxidant enzymes — superoxide dismutase (SOD), ascorbate peroxidase (APX), glutathione reductase (GR), guaiacol peroxidase (POD), and catalase (CAT). Photosynthetic efficiency (Fµ/Fm) and seedling growth decreased as the… CONTINUE READING


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