Article
Increased activity of the vacuolar monosaccharide transporter TMT1 alters cellular sugar partitioning, sugar signaling, and seed yield in Arabidopsis.
Plant physiology - 1 Oct 2010
Wingenter Karina, Schulz Alexander, Wormit Alexandra, Wic Stefan, Trentmann Oliver, Hoermiller Imke I, Heyer Arnd G, Marten Irene, Hedrich Rainer, Neuhaus H Ekkehard
Abstract excerpt
The extent to which vacuolar sugar transport activity affects molecular, cellular, and developmental processes in Arabidopsis (Arabidopsis thaliana) is unknown. Electrophysiological analysis revealed that overexpression of the tonoplast monosaccharide transporter TMT1 in a tmt1-2::tDNA mutant led to increased proton-coupled monosaccharide import into isolated mesophyll vacuoles in comparison with wild-type...
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