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RNA editing and regulation of photosynthesis complexes during development and stresses

Team OGE / Etienne Delannoy


RNA editing in plant organelles is a mechanism by which specific cytosines are changed to uracils (C to U editing) in the RNA molecules. Thanks to our recent improvements of the analysis pipelines, we have identified 67 editing sites in the Arabidopsis plastid genome. These sites are particularly prevalent in the transcripts encoding the proteins of the NDH complex and some of the editing events result in changes of amino acids in the corresponding proteins. In collaboration with Giovanni Finazzi’s team and Philippe Giégé’s team, we are studying the influence of development and stresses on plastid editing and its consequences on the activity of the NDH complexes.

Impact of development and stresses from editing to the activity of NDH complexes