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Effect of Cadmium Stress on Activities of Protective Enzymes of Soybean Hypocotyls

Zhian Zhang

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Abstract

Abstrcat Effects of different CdCl_2 concentrations on activities of protective enzymes of soybean hypocotyls were studied. The results showed that 10～50 μmol/L Cd~(2+) treatments, the accumulation of H_2O_2, membrane electrolytic leakages and tissue autooxidation rates in soybean hypocotyls increased significantly during 3～6 day. During 4～6 day, the activities of superoxide dismutase(SOD)and catalase(CAT)significantly decreased,and with the increase of Cd~(2+) concentration, peroxidase(POD)activities increased gradually.

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What this paper is about

Abstrcat Effects of different CdCl_2 concentrations on activities of protective enzymes of soybean hypocotyls were studied. The results showed that 10～50 μmol/L Cd~(2+) treatments, the accumulation of H_2O_2, membrane electrolytic leakages and tissue autooxidation rates in soybean hypocotyls increased significantly during 3～6 day. During 4～6 day, the activities of superoxide dismutase(SOD)and catalase(CAT)significantly decreased,and with the increase of Cd~(2+) concentration, peroxidase(POD)activities increased gradually.

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Available abstract

Abstrcat Effects of different CdCl_2 concentrations on activities of protective enzymes of soybean hypocotyls were studied. The results showed that 10～50 μmol/L Cd~(2+) treatments, the accumulation of H_2O_2, membrane electrolytic leakages and tissue autooxidation rates in soybean hypocotyls increased significantly during 3～6 day. During 4～6 day, the activities of superoxide dismutase(SOD)and catalase(CAT)significantly decreased,and with the increase of Cd~(2+) concentration, peroxidase(POD)activities increased gradually.

Key concepts: Hypocotyl, Superoxide dismutase, Catalase, Peroxidase, Point of delivery, Chemistry, Enzyme, Cadmium

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