Fig. 2

FA biosynthesis pathway is transcriptionally downregulated during N starvation. a Schematic view of the reaction steps for FA biosynthesis and the enzymes that catalyze them. b Expression profile for transcripts encoding enzymes highlighted in (a). c Absolute expression values for FA biosynthesis transcripts in log₁₀ FPKM (open bars represent absolute expression level at time t = 0 while solid bars represent levels at t = 8 h). PDC pyruvate dehydrogenase complex, ACC acetyl-CoA carboxylase, MCT1 malonyl-CoA:ACP transacylase, ACP2 acyl carrier protein, KAS β-ketoacyl-(ACP) synthase, KAR1 3-ketoacyl-ACP reductase, HAD1 β-hydroxyacyl-ACP dehydratase, ENR1 enoyl-ACP-reductase