title: Copper accumulation by a strain of Pseudomonas putida.
abstract: A study on the copper accumulation by resting cells of copper-resistant bacteria, isolated from activated sludge and electroplating effluent, was conducted. The best selected strain, identified as Pseudomonas putida II-11, retained copper ions, Cu(II), as high as 6.5% of its dry weight. Bacterial cells grown in the sulphate-limiting medium had the highest copper removal capacity [RC, mg of Cu(II)/g of dry cells], while the presence of glucose or sodium azide did not affect Cu(II) RC of the bacterial cells. A possible mechanism of Cu(II) accumulation by this bacterium is suggested.
authors.affiliation: Department of Biology, Chinese University of Hong Kong, Shatin, New Territories.
authors.forename: P K
authors.initials: PK
authors.lastname: Wong
authors.forename: C M
authors.initials: CM
authors.lastname: So
mesh_terms: D000327:Adsorption; D003300:Copper / Q000493:pharmacokinetics*; D003470:Culture Media / Q000737:chemistry; D006358:Hot Temperature; D008854:Microscopy, Electron; D016958:Pseudomonas putida / Q000302:isolation & purification / Q000378:metabolism* / Q000648:ultrastructure; D013431:Sulfates
chemical_list: D003470:Culture Media; D013431:Sulfates; D003300:Copper