---

Gene

Gene expression upon nitrogen starvation

Values plotted in the graph

0 1 2 3 4 5 6 7 8 -N+P 0.000 -2.715 -2.005 -1.987 -2.240 -2.373 -2.335 -2.180 -2.373 -N-P 0.000 -2.582 -2.320 -1.778 -1.928 -1.550 -1.535 -1.411 -1.385

-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)