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Plasmid-encoded copper resistance and precipitation by Mycobacterium scrofulaceum
F X Erardi1, M L Failla, J O Falkinham
1Department of Biology, Virginia Polytechnic Institute, Blacksburg 24061.
Applied and Environmental Microbiology
|August 1, 1987
Abstract:
A copper-tolerant Mycobacterium scrofulaceum strain was able to remove copper from culture medium by sulfate-dependent precipitation as copper sulfide. Such precipitation of copper sulfide was not observed in a derivative that lacks a 173-kilobase plasmid. In addition, the plasmid-carrying strain has a sulfate-independent copper resistance mechanism.