---

Gene

Gene expression upon nitrogen starvation

Values plotted in the graph

0 1 2 3 4 5 6 7 8 -N+P 0.000 -2.224 -2.395 -2.185 -1.977 -1.666 -1.557 -1.537 -1.458 -N-P 0.000 -2.506 -3.129 -2.444 -2.276 -2.355 -2.386 -2.447 -2.530

-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)