From proton microdomains to protein migration: hypothesis for ΔpH-controlled PSII relocation
Matthias Ostermeier · 2026
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Description
Matthias Ostermeier proposed that local acidity steers protein movement inside leaf power membranes in a 2026 paper. Photosystem units are built, repaired, and shuffled sideways in these membranes all the time. The proton gradient across the membrane, he argues, may double as a control signal.
Five routes are sketched. Acidity could tune how lumen proteins grip each other, gate the cutting enzymes that free new subunits, or reshape membrane packing and stacking. Pockets of sharper acidity could form niches with their own chemistry. Proton flow could also shift charge and fat makeup, biasing where proteins settle. The hypothesis casts the gradient as a co-regulator of membrane order, testable in future lab work.
Catalog record
| CREATOR | Matthias Ostermeier |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 35 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |