All conditions yield a repressive outcome when pivot is Carbon and target is GS2: The following may give a strong repressive effect: Illumination_Y Starvation_N Organ_L Time_S Media_T NH4_N NO3_N GLU_N GLN_N ============================= ============================= ============================= All conditions yield a inductive outcome when pivot is Illumination and target is GS2: ============================= ============================= =============================