Galactoside accumulation by Escherichia coli, driven by a pH gradient.
Acidification of the external medium results in thiomethylgalactoside accumulation in an energy-depleted adenosine triphosphatase-negative mutant of Escherichia coli.
Galactoside accumulation by Escherichia coli, driven by a pH gradient. Acidification of the external medium results in thiomethylgalactoside accumulation in an energy-depleted adenosine triphosphatase-negative mutant of Escherichia coli.