1887

Abstract

Penicillinase plasmids, and some related extrachromosomal elements in , can specify resistance to inorganic ions, including Hg and Cd (Richmond & John, 1964; Novick & Roth, 1968; Peyru, Wexler & Novick, 1969). There is some tentative evidence that resistance to H ions is due to the impermeability of the cells to the ions and not to a higher concentration of free -SH groups in resistant cells (Vaczi, Fodor, Milch & Rethy, 1962), but the biochemical basis of resistance to cadmium ions is unknown. The experiments described here show that there is a markedly decreased rate of uptake of C ions by resistant cells when compared with strains that lack the gene.

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/content/journal/micro/10.1099/00221287-63-2-265
1970-10-01
2022-01-28
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References

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