Contrasted Reactivity to Oxygen Tensions in Frankia sp. Strain CcI3 throughout Nitrogen Fixation and Assimilation

Figure 1

Biomass yields of Frankia sp. strain CcI3 grown under nitrogen fixation (N₂) and nitrogen-replete (NH₄) at hypoxic (L), oxic (N), and hyperoxic (H) conditions as estimation by (a) dry weight and (b) total protein and determination of (c) ammonium ion concentrations.

(a)

(b)

(c)