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. 2015 Oct 14;10(10):e0140629. doi: 10.1371/journal.pone.0140629

Fig 4. Expression pattern of classical C4 genes in four species.

Fig 4

Gene IDs were plotted with different colors, e.g., red, blue, green and yellow for maize, green foxtail, sorghum and rice, respectively. CA: carbonic anhydrase, PEPC: phosphoenolpyruvate carboxylase, NADP-MDH: NADP-malate dehydrogenase, NADP-ME: NADP-malic enzyme, PPDK: pyruvate orthophosphate dikinase, and PPDK-RP: PPDK regulatory protein.