Conditions that yield a repressive outcome when pivot is Carbon and target is ASN1: Illumination_N Starvation_Y NH4_Y NO3_Y GLU_Y GLN_Y The following may give a strong repressive effect: GLU_Y and Illumination_Y GLN_Y and Illumination_Y GLN_Y and GLU_Y Experiments to clarify border between repressive and not Illumination_Y, Starvation_N, Organ_L, Time_S, Media_T, NH4_N, NO3_N, GLU_N, GLN_Y Illumination_Y, Starvation_N, Organ_L, Time_S, Media_T, NH4_N, NO3_N, GLU_Y, GLN_N =============================