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. 2021 Mar 19;72(12):4186–4189. doi: 10.1093/jxb/erab128

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© The Author(s) 2021. Published by Oxford University Press on behalf of the Society for Experimental Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 1. — Carbon and energy metabolism in plant leaves. Parts of the PCO cycle reside outside chloroplasts, in peroxisomes and mitochondria; notably, ROS synthesizing glycolate oxidase is peroxisomal. Abbreviations: 3PGA, 3-phosphoglyceric acid; ADP, adenosine diphosphate; ATP, adenosine triphosphate; CBC, Calvin–Benson cycle; COR cycle, cytosolic oxidation–reduction cycle; DHAP, dihydroxyacetone phosphate; FBP, fructose 1,6-bisphosphate; GAP, glyceraldehyde 3-phosphate; np-GAPDH, non-phosphorylating glyceraldehyde-3-phosphate dehydrogenase; PCO, photosynthetic carbon oxidation; PEP, phosphoenolpyruvate; p-GAPDH, phosphorylating glyceraldehyde-3-phosphate dehydrogenase; PGK, phosphoglycerate kinase; P_i, inorganic phosphate; ROS, reactive oxygen species; TPI, triose phosphate isomerase.