Short Communication: Carbon source-starvation-induced precipitation of copper by Pseudomonas putida strain S4 |
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| Authors: | Saxena D Srivastava S |
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| Institution: | (1) Department of Genetics, University of Delhi, South Campus, Benito Juarez road, New Delhi-, 110021, India; Fax |
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| Abstract: | Pseudomonas putida strain S4, when starved of carbon source, precipitated Cu2+ in the medium. The precipitate, apart from containing copper, consisted of phosphate and hydroxide residues. While high acid phosphatase activity provided the necessary phosphates for Cu2+-precipitation, hydroxyl residues generated by metal efflux pathway may be used for metal hydroxide precipitation. This phenomenon could be exploited in the biorecovery of copper from different sources. |
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| Keywords: | Carbon-source starvation acid phosphatase activity copper bioprecipitation Pseudomonas putida strain S4 |
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