---

Gene

Gene expression upon nitrogen starvation

Values plotted in the graph

0 1 2 3 4 5 6 7 8 -N+P 0.000 -2.965 -2.738 -2.021 -1.877 -1.664 -1.682 -1.373 -1.460 -N-P 0.000 -2.593 -2.638 -2.043 -1.971 -1.543 -1.552 -1.351 -1.366

-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)