Rachel Gabbay-Azaria

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Glycinebetaine was found to be the major organic substrate accumulating under hypersaline growth conditions in the halotolerant cyanobacterium Spirulina subsalsa. In addition to its proposed role as osmolite, glycinebetaine is shown to specifically protect enzymatic activity. Glucose-6-phosphate dehydrogenase from S. subsalsa retained full activity in the(More)
Intracellular ion concentration and respiratory activity in the marine cyanobacterium Spirulina subsalsa was analyzed during cell transition from saline to hypersaline medium. During salt upshock, an early phase of Na+ and Cl- influx was observed, followed by an adaptation phase where both Na+ and Cl- were excluded from the cell. Respiration in intact cells(More)
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