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Iron (Fe) is an indispensable microelement for plant growth and development, but Fe excess can be toxic to plants. To maintain Fe homeostasis, plants must sense the environmental Fe concentration and fine-tune the expression of Fe uptake-associated genes accordingly. Previous studies…

Photosystem II is a protein in plants, algae and cyanobacteria that uses sunlight to break water down into its atomic components, unlocking hydrogen and oxygen. A longstanding question about this process is how water molecules are funneled into the center of…

Years ago, the African Union decided on an ambitious program: degraded ecosystems in parts of the Sahel are to be successively restored in order to secure food for the people living there and to protect the soil against further degradation.…