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. Author manuscript; available in PMC: 2022 May 3.
Published in final edited form as: Dev Cell. 2021 Apr 21;56(9):1221–1233. doi: 10.1016/j.devcel.2021.03.033

Figure 1. Definitions of the mitochondrial compartments.

Figure 1.

A summary of the fundamental contributions of each mitochondrial compartment to mitochondrial biology and function. Abbreviations: ETC, electron transport chain; IMM, inner mitochondrial membrane; IMS, intermembrane space; mtDNA, mitochondrial DNA; OMM, outer mitochondrial membrane; OXPHOS, oxidative phosphorylation; PC, phosphatidylcholine; PE, phosphatidylethanolamine; PI, phosphatidylinositol; PS, phosphatidylserine; TCA, tricarboxylic acid.