Gene

pka1 tpk git6
Gene expression upon nitrogen starvation

Values plotted in the graph

0 1 2 3 4 5 6 7 8
-N+P 0.000 1.966 2.881 2.091 1.480 1.808 1.466 1.383 1.558
-N-P 0.000 2.327 2.782 2.295 2.072 2.002 1.742 2.293 1.582

-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)