Article
Interaction of lead nitrate and cadmium chloride with Escherichia coli K-12 and Salmonella typhimurium global regulatory mutants.
Journal of industrial microbiology - 1 Jan 2000
LaRossa R A, Smulski D R, Van Dyk T K
Abstract excerpt
To investigate the interactions of heavy metals with cells, a minimal medium for the growth of enteric bacteria using glycerol-2-phosphate as the sole phosphorus source was developed that avoided precipitation of Pb2+ with inorganic phosphate. Using this medium, spontaneous mutants of Escherichia coli resistant to addition of Pb(NO3)2 were isolated. Thirty-five independent mutants all conferred a low level of...
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