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Pakistan Journal of Biological Sciences
  Year: 2002 | Volume: 5 | Issue: 4 | Page No.: 455-460
DOI: 10.3923/pjbs.2002.455.460
 
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Response of Anabolic Capacities, Proline, Protein Patterns and Mineral Elements to Nickel and EDTA Stress in Chorcorus olitorius

Amal A. H. Saleh

Abstract:
Chorcorus olitorius grows in nutrient solution was treated with Ni (10 and 50μM) and EDTA (10, 50 and 100 μM) in different combinations. Shoot, root length, fresh and dry weight for shoot and root photosynthetic pigments and carbohydrates were decreased with increasing Ni supply. EDTA reduces the inhibition of Ni on chlorophyll and total carbohydrates formation. Proline content was increased significantly with increasing Ni concentration and decreased after EDTA treatment. Ni and EDTA treatment induced quantitative and qualitative changes in the protein PAGE profile of plant. New polypeptides of varying molecular weights were synthesized with the addition of Ni and others were stimulated by Ni and EDTA to nutrient solution. In general, the total number of protein bands were decreased by Ni treatment but increased after EDTA addition. It was noticed that, increasing Ni concentration in nutrient solution significantly increased uptake and accumulation of Ni in both shoot and root.The concentration of Ni in shoot and root was greater than in shoot. Accumulation of K, Ca and Fe were significantly decreased with increasing Ni concentration. The uptake of Ni is diminished in the presence of EDTA, suggesting that the Ni-EDTA complex is unable to penetrate the membrane. Increasing EDTA concentration combined with Ni, increased the concentration of Ca, K and Fe. In conclusion EDTA can ameliorate the toxic effects of Ni on Chorcorus olitorius plant.
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How to cite this article:

Amal A. H. Saleh , 2002. Response of Anabolic Capacities, Proline, Protein Patterns and Mineral Elements to Nickel and EDTA Stress in Chorcorus olitorius. Pakistan Journal of Biological Sciences, 5: 455-460.

DOI: 10.3923/pjbs.2002.455.460

URL: https://scialert.net/abstract/?doi=pjbs.2002.455.460

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