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Artículo
Regulation of glutamine synthetase activity in the unicellular cyanobacterium Synechocystis sp. strain PCC 6803 by the nitrogen source: Effect of ammonium
(American Society for Microbiology, 1991)
Glutamine synthetase activity from Synechocystis sp. strain PCC 6803 is regulated as a function of the nitrogen source available in the medium. Addition of 0.25 mM NH4Cl to nitrate-grown cells promotes a clear short-term ...
Artículo
Purification and Properties of Glutamine Synthetases from the Cyanobacteria Synechocystis sp. Strain PCC 6803 and Calothrix sp. Strain PCC 7601
(American Society for Microbiology, 1990)
Glutamine synthetases (GSs) from two cyanobacteria, one unicellular (Synechocystis sp. strain PCC 6803) and the other filamentous (Calothrix sp. strain PCC 7601 [Fremyella diplosiphon]), were purified to homogeneity. The ...