Abstract

AbstractThe nitrate reductase activity of Suaeda maritima var. macrocarpa and var. flexilis grown on nitrate‐rich substrates with 1 to 23 g/1 NaCl is maximum after 30 days of culturing.Compared to the substrate with the lowest salt content, the activity increase obtained with 7.5 g/1 of NaCl is greater in the more halophilous variety (var. macrocarpa). Even though the NaCl docs not operate directly on the induction and activity of nitrate reductase, it is responsible for this increase by modifying the CO2 assimilation and protein synthesis.

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