645983.fig.0018a
(a)  Global regulator genes
645983.fig.0018b
(b) N-Regulation genes
Figure 18: Comparison of the transcriptional mRNA levels of the wild-type E. coli genes cultivated at 100% (C/N = 1.68), 40% (C/N = 4.21), 20% (C/N = 8.42), and 10% (C/N = 16.8) N concentration.