---

Gene

Gene expression upon nitrogen starvation

Values plotted in the graph

0 1 2 3 4 5 6 7 8 -N+P 0.000 -1.143 -1.439 -1.740 -2.021 -2.256 -2.109 -2.210 -2.286 -N-P 0.000 -1.427 -1.760 -1.886 -2.174 -2.250 -2.515 -2.507 -2.722

-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)