Summary
The cultivation, growth patterns, and physiological activities of the marine cyanobacterium (blue-green alga)Spirulina subsalsa were studied. A comparison of its growth in three different media (diluted seawater, seawater, and seawater +0.5M NaCl) revealed a faster growth in the hypersaline medium. In the hypersaline medium, the culture was homogeneous, in contrast to the aggretates formed in the lower-salt media. Enzymic analysis of the cells demonstrated selective sensitivity of soluble malate dehydrogenase to sodium ions, while chloride ions or nonionic solutes caused no inhibition. The membrane-associated enzyme ferredoxin-NADP reductase was only partially sensitive to sodium ions. The respiratory enzymes exhibited well-coupled activity, and faster respiration was observed with the preparation from the hypersaline culture.
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Gabbay, R., Tel-Or, E. Cyanobacterial biomass production in saline media. Plant Soil 89, 107–116 (1985). https://doi.org/10.1007/BF02182237
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DOI: https://doi.org/10.1007/BF02182237