Fig. 6From: Cloning and characterization of nitrate reductase gene in kelp Saccharina japonica (Laminariales, Phaeophyta)In vitro activity of rSjNR expressed in E. coli. A Coloration result of rSjNR-L under gradient concentrations of KNO3 (mM) with Griess reagent. B Kinetic curves of activity for rSjNR-L (Curves are fit to Michaelis-Menten models using nonlinear regression, as described in the text). C Evaluated activity of rSjNR-L with NADH or NADPH. D Evaluated activity of rSjNR-L and rSjNR-S. BC indicates blank control. Significant differences are indicated with lowercase (P < 0.05)Back to article page