Combinatorial GxGxE CRISPR screen identifies SLC25A39 in mitochondrial glutathione transport linking iron homeostasis to OXPHOS Nature Communications Frontiers Regulation of Heme Synthesis by Mitochondrial Homeostasis Proteins Dual regulation of SLC25A39 by AFG3L2 and iron controls mitochondrial glutathione homeostasis ScienceDirect SLC25A39 is necessary for mitochondrial glutathione import in mammalian cells Nature SLC25A39 is necessary for mitochondrial glutathione import in mammalian cells Nature