---

Gene

Gene expression upon nitrogen starvation

Values plotted in the graph

0 1 2 3 4 5 6 7 8 -N+P 0.000 -2.746 -2.780 -2.876 -1.798 -1.948 -2.172 -1.567 -1.432 -N-P 0.000 -2.949 -2.464 -2.396 -1.908 -1.717 -1.673 -1.242 -1.138

-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)