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Folia Microbiol (Praha). 1989;34(5):448-52.

Heavy metal resistance in clinical isolates of Pseudomonas aeruginosa.

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Department of Microbiology, Panjab University, Chandigarh, India.


One hundred clinical isolates of Pseudomonas aeruginosa were checked for their sensitivity towards silver nitrate. Majority of the isolates were resistant at 20 mg/L and the resistance decreased with increasing concentration of silver nitrate, only 5% of the organisms showed resistance above 70 mg/L. These silver-resistant isolates were further checked for their resistance towards mercury and cadmium at 20 mg/L of concentration and the level of resistance was found to be 33 and 40%, respectively. A correlation between silver ion resistance and concurrent mercury and cadmium ion resistance was observed, suggesting a possible linkage between resistance towards various metal ions.

[Indexed for MEDLINE]

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