Authors
Sajid Ali, Muhammad Saeed Akhtar
Published in
Plant, cell & environment. Oct 09, 2026. Epub Oct 09, 2026.
Abstract
The plant plasma membrane is a chemically asymmetric, mechanically coupled and actively renewed interface in which lipids, receptors, ion channels, transporters and scaffolds form transient nanoscale assemblies. Direct evidence from a limited number of plant systems shows that membrane organisation can alter protein mobility, trafficking and physiological output, including remorin-dependent PIN2 hyperclustering, phosphatidylserine-dependent ROP6 nano-organisation and stimulus-dependent receptor or channel redistribution. These findings do not establish a universal molecular network or a direct route from nanodomain state to whole-plant acclimation. Here, we define the adaptive plasma-membrane nanodomain code as a testable, context-dependent relationship between measured organisational variables - size, density, stoichiometry, diffusion, residence time, lipid dependence and trafficking flux - and specified biochemical or physiological outputs under matched protein abundance. We synthesise evidence from remorins, flotillins, receptor kinases, mechanosensitive channels and PIN auxin transporters, while distinguishing demonstrated findings from mechanistic inference and prediction. We also examine how temperature, water deficit, salinity, pH, reactive oxygen species, pathogens and hormones may reshape nanoscale organisation under constraints imposed by the cell wall, cortical cytoskeleton, endocytosis and ER-plasma-membrane contact sites. Finally, we propose falsifiable experiments and crop-engineering strategies centred on inducible threshold tuning rather than constitutive pathway activation.
PMID:
42852864
Bibliographic data and abstract were imported from PubMed on 09 Oct 2026.
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