Transport-defective Escherichia coli ecf mutant permeable to protons and nucleotides.

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RESUMO

This paper describes a third type of transport-defective ecf mutant of Escherichia coli which is altered in membrane proton permeability. Mutants of this class also excrete ATP and other nucleotides and form filament-like cells. This lesion requires cell growth at the nonpermissive temperature.

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