Sucrose in cyanobacteria: From a salt-response molecule to play a key role in nitrogen fixation
- Kolman, María de los Ángeles
- Nishi, Carolina Nancy
- Perez Cenci, Macarena
- Salerno, Graciela Lidia
DOIAbstract
In the biosphere, sucrose is mainly synthesized in oxygenic photosynthetic organisms, such as cyanobacteria, green algae and land plants, as part of the carbon dioxide assimilation pathway. Even though its central position in the functional biology of plants is well documented, much less is known about the role of sucrose in cyanobacteria. In those prokaryotes, sucrose accumulation has been associated with salt acclimation, and considered as a compatible solute in low-salt tolerant strains. In the last years, functional characterizations of sucrose metabolizing enzymes, metabolic control analysis, cellular localization of gene expressions, and reverse genetic experiments have revealed that sucrose metabolism is crucial in the diazotrophic g...
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