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Research Article

Effect of Cadmium and Paclobutrazol on Anabolic Capacities and Electrophoteric Protein Patterns in Peanut (Arachis hypogeae) Plant

Mohamed S. Beltagi , Amal A. H. Saleh and El-Sayed A. El-Meleigy
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This study was mainly concerned with some Cd-sensitive anabolic capacities and the correlated effects of paclobutrazol (PP333) as a protectant against cadmium toxicity (stress) in peanut Arachis hypogeae. Vegetative growth parameters, chlorophyll and carbohydrate contents showed high stability against Cd stress. However, higher cadmium levels resulted in some inhibitory effects. Paclobutrazol (50 and 100 ppm) resulted in synergistic inhibitory effects on carbohydrates content at high Cd levels. Cadmium and /or Paclobutrazol treatments induced quantitative and qualitative changes in the protein PAGE profile of peanut plants. Polypeptides of varying molecular weights were newly synthesized, while the synthesis of the others was stimulated by Cd and Paclobutrazol. The total number of protein bands was, in general, decreased by Cd treatments, but increased at the high level of Cd and Paclobutrazol combination.

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Mohamed S. Beltagi , Amal A. H. Saleh and El-Sayed A. El-Meleigy , 2002. Effect of Cadmium and Paclobutrazol on Anabolic Capacities and Electrophoteric Protein Patterns in Peanut (Arachis hypogeae) Plant. Pakistan Journal of Biological Sciences, 5: 196-200.

DOI: 10.3923/pjbs.2002.196.200



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