TRR 175 The Green Hub - Central Coordinator of Acclimation in Plants

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Light-dependent integrators of chloroplast gene expression and C-metabolism in Chlamydomonas

Chloroplast gene expression is controlled by a network of nucleus-encoded factors, which represent targets for regulatory acclimation processes. We have recently identified two light-dependent integra-tors connecting chloroplast protein synthesis and C-metabolism in the unicellular green alga Chla-mydomonas reinhardtii, i.e., the NADPH-dependent thioredoxin reductase C (NTRC) and the DLA2 (E2) subunit of the chloroplast pyruvate dehydrogenase complex (cpPDC). Based on a comprehensive set of mutant lines, we aim at assessing the molecular working mode of both factors by applying a variety of molecular and biochemical techniques.