---

Gene

Gene expression upon nitrogen starvation

Values plotted in the graph

0 1 2 3 4 5 6 7 8 -N+P 0.000 -2.649 -2.378 -2.094 -1.501 -1.582 -1.957 -1.654 -1.552 -N-P 0.000 -2.802 -2.671 -1.861 -1.803 -1.212 -1.481 -0.939 -0.920

-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)