---

Gene

Gene expression upon nitrogen starvation

Values plotted in the graph

0 1 2 3 4 5 6 7 8 -N+P 0.000 -0.857 -0.866 -0.982 -1.267 -1.053 -1.201 -1.183 -1.191 -N-P 0.000 -1.073 -1.390 -1.417 -1.594 -1.801 -1.391 -1.556 -1.644

-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)