---

Gene

Gene expression upon nitrogen starvation

Values plotted in the graph

0 1 2 3 4 5 6 7 8 -N+P 0.000 -3.548 -3.259 -3.122 -2.461 -2.249 -1.940 -1.994 -1.844 -N-P 0.000 -3.341 -3.019 -2.691 -2.218 -1.890 -1.639 -1.655 -1.627

-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)