---

Gene

Gene expression upon nitrogen starvation

Values plotted in the graph

0 1 2 3 4 5 6 7 8 -N+P 0.000 -1.808 -1.964 -1.409 -1.123 -1.182 -1.275 -1.239 -1.358 -N-P 0.000 -2.111 -2.244 -1.617 -1.457 -1.283 -1.402 -1.282 -1.350

-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)