---

Gene

Gene expression upon nitrogen starvation

Values plotted in the graph

0 1 2 3 4 5 6 7 8 -N+P 0.000 -1.905 -1.228 -1.293 -1.370 -0.938 -1.157 -1.280 -0.809 -N-P 0.000 -1.719 -1.485 -1.531 -1.389 -0.950 -1.163 -1.320 -1.070

-N+P: Nitrogen starved in the presence of P-factor -N-P: Nitrogen starved in the absence of P-factor

Number of mRNA in a vegetative growing cell (estimated roughly)