Use of wild type and nickel resistantNeurospora crassa for removal of Ni2+ from aqueous medium |
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Authors: | CH. Shravan Kumar K Sivarama Sastry P Maruthi Mohan |
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Affiliation: | (1) Department of Biochemistry, Osmania University, 500 007 Hyderabad, India |
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Abstract: | Summary A novel nickel resistant, hyperaccumulatingN.crassa nir-2 mutant, isolated by us, sequestered 90% of Ni2+ from medium with 120 mg/l Ni2+. The parent wild strain showed comparable efficiency only at much lower concentrations (<10mg/l). The initial rapid rate and efficiency of Ni2+ removal could be maintained beyond 2 h by fresh addition of mycelial biomass. The results have been discussed from the stand point of the utility of metal resistant fungi in the control of environmental pollution. |
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