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MetabolomicsEpistasis-driven identification of SLC25A51 as a regulator of human mitochondrial NAD import
About a thousand genes in the human genome encode for membrane transporters. Among these, several solute carrier proteins (SLCs), representing the largest group of transporters, are still orphan and lack functional characterization. We reasoned that assessing genetic interactions among SLCs may be a...
2021-03-29 | MTBLS2205 | MetaboLights
MetabolomicsRibosomal mistranslation leads to silencing of the unfolded protein response and increased mitochondrial biogenesis

Translation fidelity is the limiting factor in the accuracy of gene expression. With an estimated frequency of 10-4, errors in mRNA decoding occur in a mostly stochastic manner. Little is known about the response of higher eukaryotes to chronic loss of ribosomal accuracy as per an increase in the...

2019-09-17 | MTBLS106 | MetaboLights
MetabolomicsMitochondrial glutamine import sustains mitochondrial translation independent of glutaminolysis in cancer_GlnFlux_untargeted metabolites

Oxidative phosphorylation (OXPHOS) fulfills energy metabolism and biosynthesis through tricarboxylic acid (TCA) cycle and an intact electron transport chain (ETC). Mitochondrial glutamine import (MGI) replenishes TCA cycle through glutaminolysis, but its broader roles in cancer remains unclear. H...

2025-09-29 | MTBLS13074 | MetaboLights
MetabolomicsMitochondrial glutamine import sustains mitochondrial translation independent of glutaminolysis in cancer_targeted metabolites

Oxidative phosphorylation (OXPHOS) fulfills energy metabolism and biosynthesis through tricarboxylic acid (TCA) cycle and an intact electron transport chain (ETC). Mitochondrial glutamine import (MGI) replenishes TCA cycle through glutaminolysis, but its broader roles in cancer remains unclear. H...

2025-09-29 | MTBLS13076 | MetaboLights
MetabolomicsMitochondrial glutamine import sustains mitochondrial translation independent of glutaminolysis in cancer_A549 cell culture_untargeted metabolites_U_13gln/glc

Oxidative phosphorylation (OXPHOS) fulfills energy metabolism and biosynthesis through tricarboxylic acid (TCA) cycle and an intact electron transport chain (ETC). Mitochondrial glutamine import (MGI) replenishes TCA cycle through glutaminolysis, but its broader roles in cancer remains unclear. H...

2025-09-29 | MTBLS13075 | MetaboLights
MetabolomicsTranscript, protein and metabolite temporal dynamics in the CAM plant Agave
Already a proven mechanism for drought sustainability, crassulacean acid metabolism (CAM) is a specialized type of photosynthesis that maximizes water-use efficiency (WUE) via an inverse (compared to C3 and C4 photosynthesis-performing species) day/night pattern of stomatal closure/opening to shift ...
2017-10-13 | MTBLS363 | MetaboLights
GenomicsProtein import motor complex reacts to mitochondrial misfolding by reducing protein import and activating mitophagy
Protein import motor complex reacts to mitochondrial misfolding by reducing protein import and activating mitophagy
PRJNA854161 | ENA
MetabolomicsTargeted degradation of the α-ketoglutarate dehydrogenase mediated by a mitochondrial DNAJC protein regulates metabolism

Mitochondrial heat shock proteins and co-chaperones play essential roles in maintaining proteostasis. They are renowned for regulating unfolded proteins, usually without specific target preferences. In this study, we identified T cell activation inhibitor, mitochondria (TCAIM), as a novel DNAJC-t...

2024-12-03 | MTBLS10440 | MetaboLights
GenomicsMitochondrial protein import clogging as a mechanism of disease
Mitochondrial protein import clogging as a mechanism of disease
PRJNA944597 | ENA
ProteomicsInteractors of trapped protein from mitochondria from HeLa cells with stalled import TMT-MS
This study explores the consequences of import failure in mammalian cells; wherein, blocking the import machinery has profound effects on mitochondrial ultra-structure and dynamics, but, surprisingly, does not impact import. The explanation is an astonishing response involving intercellular mitochon...
ORGANISM(S): Homo sapiens (Human) 
2024-05-24 | PXD040098 | Pride
Mitochondria Hela Import Galactose 
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