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In this study, we examined the modulation of Cu toxicity-induced oxidative stress by excess supply of iron in Zea mays L. plants. Plants receiving excess of Cu (100 μM) showed decreased water potential and simultaneously showed wilting in the leaves. Later, the young leaves exhibited chlorosis and necrotic scorching of lamina. Excess of Cu suppressed growth, decreased concentration of chloroplastic...
Nitric oxide (NO) is a highly reactive, membrane-permeable free radical, which has recently emerged as an important signalling molecule and antioxidant. Here we investigated the protective effect of NO against the toxicity caused by excess CuSO4 (50 μM) in the adventitious roots of mountain ginseng. It was found that NO donor, sodium nitroprusside (SNP), was effective in reducing Cu-induced toxicity...
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