Role of a major outer membrane protein in Escherichia coli.

AUTOR(ES)

Lutkenhaus, J F

RESUMO

Mutants of Escherichia coli B/r lacking a major outer membrane protein, protein b, were obtained by selecting for resistance to copper. These mutants showed a decreased ability to utilize a variety of metabolites when the metabolites were present at low concentrations. Also, mutants of E. coli K-12 lacking proteins b and c from the outer membrane were shown to have an identical defect in the uptake of various metabolites. These results are discussed with regard to their implications as to the role of these proteins in permeability of the outer membrane,

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