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Signalling and metabolic interactions of the plant energy organelles, chloroplasts and mitochondria, depend on the nuclear regulatory protein RCD1.

Slug chloroplasts avoid damage to photosynthesis by maintaining an oxidized electron transfer chain with the help of oxygen-sensitive electron acceptors.

The algal pyrenoid is formed at high O₂ levels, even when CO₂ is high, implying that a product of photosynthesis, most likely H₂O₂ acts as a signal.

Despite BCAAs being de novo-synthesized in chloroplasts, TOR activation by BCAAs is conserved in plants and triggers a re-organization of actin and actin-associated endomembranes.

Mathematical models reveal that under the physiologically different conditions ambient and high CO2, two algal microcompartments are metabolically connected by facilitated transport.

The structures of photosystem II, with the water-oxidizing Mn4CaO5-cluster fully removed and in an intermediate assembly state, show that photoassembly is facilitated by perfectly pre-arranged protein ligands of the five metal ions.

A prominent model for the structural organisation of the Tat (twin-arginine translocase) protein transport system fails live cell tests.

Systems level modeling of cyanobacterial mechanism for concentrating carbon dioxide shows optimal organization and enzymatic activity for enhanced carbon fixation.

The molecular mechanisms of FCPI assembly and selective binding are revealed through comparison of PSI-FCPI structures in two diatom species.