Figure 1From: The small FNR regulon of Neisseria gonorrhoeae: comparison with the larger Escherichia coli FNR regulon and interaction with the NarQ-NarP regulonGrowth characteristics of strain RUG7001 (fnr+) in the presence and absence of 5 mM sodium nitrite and strain RUG7002 (fnr) in the presence of nitrite. Since expression of the nitrite reductase AniA is dependent upon FNR, the fnr strain cannot respire nitrite.Back to article page