Article
Heteromeric AtKC1{middle dot}AKT1 channels in Arabidopsis roots facilitate growth under K+-limiting conditions.
The Journal of biological chemistry - 7 Aug 2009
Geiger Dietmar, Becker Dirk, Vosloh Daniel, Gambale Franco, Palme Klaus, Rehers Marion, Anschuetz Uta, Dreyer Ingo, Kudla Jörg, Hedrich Rainer
Abstract excerpt
Plant growth and development is driven by osmotic processes. Potassium represents the major osmotically active cation in plants cells. The uptake of this inorganic osmolyte from the soil in Arabidopsis involves a root K(+) uptake module consisting of the two K(+) channel alpha-subunits, AKT1 and AtKC1. AKT1-mediated potassium absorption from K(+)-depleted soil was shown to depend on the calcium-sensing proteins...
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