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Accumulation of cadmium and cobalt by saccharomyces cerevisiae



Accumulation of cadmium and cobalt by saccharomyces cerevisiae



Journal of General Microbiology 99(2): 317-324



S. cerevisiae accumulated Co2+ and Cd2+ by 2 processes: the 1st, which was metabolism-independent, was presumably cation binding to the cell surface; this was followed by metabolism-dependent, progressive uptake of relatively large amounts of the cations. Two K+ ions were released for each Co2+ ion taken up in freshly prepared cell suspensions whereas extensive loss of cell K+ followed the uptake of Cd2+. Co2+ and Cd2+ appeared to be accumulated via a general cation uptake system, with limited specificity related to the ionic radii of the cations.

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Accession: 004652519

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DOI: 10.1099/00221287-99-2-317


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