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. 2022 Jul 7;13:912215. doi: 10.3389/fpls.2022.912215

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Copyright © 2022 Xue, Dong, Huang, Li, Shan, Li, Liu, Xia, Su and Yuan.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The model of chlorophyll biosynthesis and light reaction of photosynthesis in pgl. The chlorophyll biosynthesis pathway mainly consists of three parts (ALA formation, protoporphyrin IX formation and chlorophyll formation). Most genes and metabolites showed down-regulated expression in the pgl mutant compared to the wild-type plant (B73) resulting in decreased chlorophyll contents, abnormal chloroplast development and perturbed photosynthesis. The green background represents decreased expression of genes or metabolites in the pgl mutant. These genes are labeled on the basis of qRT-PCR analysis and are involved in chlorophyll biosynthesis and the light reaction of photosynthesis.