SLC25A48 controls mitochondrial choline import and metabolism Choline metabolism depends on its mitochondrial import, but the mechanism remains unknown. SLC25A48 is a previously uncharacterized mitochondrial inner membrane carrier protein. The NatureSLC25A39 Combinatorial GxGxE CRISPR screen identifies SLC25A39 in mitochondrial glutathione transport linking iron homeostasis to OXPHOS Nature Communications SLC25A39 is necessary for mitochondrial glutathione import in mammalian cells Nature Development of a mouse model expressing a bifunctional glutathione synthesizing enzyme to study glutathione limitation in vivo Journal of Biological Chemistry