In natural environments, photosynthetic organisms adjust their metabolism to cope with the fluctuating availability of combined nitrogen sources, a growth-limiting factor. For acclimation, the dynamic degradation/synthesis of tetrapyrrolic pigments, as well as of the amino acid arginine, is ...

Bacteroides thetaiotaomicron (Bt), a key commensal of the human gut microbiota, exhibits robust capacity to degrade dietary polysaccharides via carbohydrate-active enzymes (CAZymes). However, the exact spatial distribution and the functional coordination of these enzymes remain poor...