Mitchell 1967 Nature: Difference between revisions
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Revision as of 10:08, 4 April 2022
Mitchell P (1967) Proton current flow in mitochondrial systems. Nature 214:1327โ8. |
ยป https://www.nature.com/articles/2141327a0
Mitchell P (1967) Nature
Abstract: Following recent publications in Nature on hydrogen ion concentrations and flows in mitochondria [1โ5], Baum [6] (see preceding communication) has aptly drawn attention to the fact that the chemiosmotic hypothesis does not require a significant pH-difference across the mitochondrial membrane system [7]. In the original outline of the hypothesis [8] it was shown that the major component of the protonmotive force (p.m.f.) should be a membrane potential. Admitting therefore that the experimental facts may be consistent with the driving of adenosine triphosphate (ATP) synthesis by a proton current that flows through the reversible ATPase system in the cristae membrane under a mainly electrical p.m.f., Baum [6] has asked how the very small number of free protons in the inner aqueous phase of a mitochondrion or sub-mitochondrial particle can permit the flow of an effective proton current, and whether there may not be special energetic obstacles to proton translocation in such small systems.
โข Bioblast editor: Gnaiger E
Cited by
- Gnaiger E (2020) Mitochondrial pathways and respiratory control. An introduction to OXPHOS analysis. 5th ed. Bioenerg Commun 2020.2. https://doi.org/10.26124/bec:2020-0002
- Komlรณdi et al (2022) The protonmotive force - not merely membrane potential. MitoFit Preprints 2022 (in prep)
- Komlรณdi et al (2022) The protonmotive force - not merely membrane potential. MitoFit Preprints 2022 (in prep)
Labels: MiParea: Respiration
Preparation: Isolated mitochondria
Regulation: pH
BEC 2020.2