Accumulation of neutral amino acids by Streptococcus faecalis. Energy coupling by a proton-motive force.

Alanine/metabolism Amino Acids/metabolism Anti-Bacterial Agents/pharmacology Biological Transport, Active Carbon Radioisotopes Carboxylic Acids/pharmacology Cycloserine Dicyclohexylcarbodiimide/pharmacology Energy Metabolism Enterococcus faecalis/drug effects,metabolism Glycine/metabolism Glycolysis Hydrogen-Ion Concentration Kinetics Membrane Potentials Models, Biological Mutation Polycyclic Compounds/pharmacology Potassium/pharmacology Serine/metabolism Sodium/pharmacology Threonine/metabolism Time Factors Valinomycin/pharmacology

Amino Acids Anti-Bacterial Agents Carbon Radioisotopes Carboxylic Acids Polycyclic Compounds Valinomycin Threonine Serine Dicyclohexylcarbodiimide Cycloserine Sodium Alanine Potassium Glycine