... Sauermann11Plant Physiology, University of Osnabrueck, Germany;2Planton GmbH, Kiel, Germany;3Plant Physiology, University of Kaiserslautern, Kaiserslautern, GermanyLight/dark modulation of the higher ... their activity, brought about by a redox-modification at specific cysteine residues mediated by theferredoxin/thioredoxin system [1]. The activity of each of these enzymes is adjusted by fine-tuning, ... any increase in activity nor to dissociation[16]. From the two- peak elution pattern of the GAPDH activity, we therefore assumed the presence of two types of GAPDH-containing aggregates, namely...