Nitrogen fixation hydrogenase activity

Gutierrez, D., Hernando, Y., Palacios, J.-M., Imperial, J. and Ruiz-Argueso, T. (1997) FnrN controls symbiotic nitrogen fixation and hydrogenase activities in Rhizobium legumi-nosarum biovar viciae UPM791./. BacterioL, 179, 5264-70. 

Fig. 1. Three-dimensional representation of effects of varying electron allocation coefficient (EAC) and uptake hydrogenase activity (Hup) on respiratory costs of ammonia synthesis fixation of molecular nitrogen (see text for assumptions used and basis of calculation of costs).

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