Gene

his4

Gene expression upon nitrogen starvation

Values plotted in the graph

0 1 2 3 4 5 6 7 8
-N+P 0.000 -0.369 -0.124 -0.633 -0.978 -1.120 -1.073 -1.559 -1.214
-N-P 0.000 -0.177 -0.358 -0.960 -1.256 -1.294 -1.576 -1.247 -1.311

-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)