A protonmotive force drives ATP synthesis in bacteria.

@article{Maloney1974APF,
  title={A protonmotive force drives ATP synthesis in bacteria.},
  author={P. Maloney and E. R. Kashket and T. H. Wilson},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={1974},
  volume={71 10},
  pages={
          3896-900
        }
}
When cells of Streptococcus lactis or Escherichia coli were suspended in a potassium-free medium, a membrane potential (negative inside) could be artificially generated by the addition of the potassium ionophore, valinomycin. In response to this inward directed protonmotive force, ATP synthesis catalyzed by the membrane-bound ATPase (EC 3.6.1.3) was observed. The formation of ATP was not found in S. lactis that had been treated with the ATPase inhibitor, N,N'-dicyclohexylcarbodiimide, nor was… Expand
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