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MetabolomicsSARS-CoV-2 ORF7a Drives Mitochondrial Dysfunction via PDK4 Activation and Complex I Inhibition

SARS-CoV-2 reprograms host metabolism to promote viral replication and evade immune responses. While infection is known to impair mitochondrial function and enhance glycolysis, the role of viral accessory proteins in these alterations remains unclear. Here, we investigate the metabolic impact of ...

2026-07-09 | MTBLS13338 | MetaboLights
MetabolomicsATAD3A has a scaffolding role regulating mitochondria inner membrane structure and protein assembly

The ATPase Family AAA Domain Containing 3A (ATAD3A), is a mitochondrial inner membrane protein conserved in metazoans. ATAD3A has been associated with several mitochondrial functions, including nucleoid organization, cholesterol metabolism, and mitochondrial translation. To address its primary ro...

2022-01-14 | MTBLS3786 | MetaboLights
ProteomicsNative Prohibitin Complex Enrichment
Folding of newly synthesized proteins poses challenges for a functional proteome. Dedicated protein quality control (PQC) systems promote either the folding of nascent polypeptides at ribosomes or, if this fails, ensure their degradation. While well studied for cytosolic protein biogenesis, it is no...
ORGANISM(S): Saccharomyces cerevisiae (Baker's yeast) 
2023-08-14 | PXD043671 | Pride
Yeast Immunoprecipitation Prohibitin Native complex 
ProteomicsRTN4IP1 is essential for the final stages of mitochondrial complex I assembly
A biochemical deficiency of mitochondrial complex I (CI) underlies ~30% of cases of primary mitochondrial disease, yet the inventory of molecular machinery required for CI assembly remains incomplete. We previously characterised patients with isolated CI deficiency caused by segregating variants in ...
ORGANISM(S): Homo sapiens (Human) 
2025-08-08 | PXD055511 | Pride
Oxidative phosphorylation system Lc-msms Complexome profiling Complex i assembly 
GenomicsEic1 links Mis18 with the CCAN/Mis6/Ctf19 complex to promote CENP-A assembly
CENP-A chromatin the foundation for kinetochore assembly in all eukaryotes. CENP-A is incorporated outside of S phase and depends on its chaperone HJURPScm3, and Mis18 in vertebrates and fission yeast. The recruitment of Mis18 and HJURPScm3 to centromeres is cell cycle regulated. Vertebrate Mis18 a...
ORGANISM(S): Schizosaccharomyces pombe 
2014-05-19 | E-GEOD-54685 | biostudies-arrayexpress
TranscriptomicsH3K4me3 Interactions with TAF3 Regulate Preinitiation Complex Assembly and Selective Gene Activation [HIT-Seq]
Histone modifications regulate chromatin-dependent processes, yet the mechanisms by which they contribute to specific outcomes remain unclear. H3K4me3 is a prominent histone mark that is associated with active genes and promotes transcription through interactions with effector proteins that include ...
ORGANISM(S): Mus musculus 
2013-03-02 | E-GEOD-43540 | biostudies-arrayexpress
ProteomicsComplexome profiling of mitochondria to study NDUFAF1 mediated complex I assembly in Yarrowia lipolytica
The aerobic yeast Yarrowia lipolytica is an established model organism to study mitochondrial protein complexes. Here we performed a complexome analysis of intact mitochondria to study the function of NDUFAF1 in the assembly of respiratory complex I. In the ndufaf1 deletion strain the PD module of t...
ORGANISM(S): Yarrowia lipolytica (Candida lipolytica) 
2022-12-21 | PXD033522 | Pride
Protein complexes Assembly 
ProteomicsMass Spectrometry Uncovers Protein Interactions and Stoichiometry of Intermediates and Sub-complexes for SNARE Complex Assembly
The neuronal SNARE complex assembles from vesicular Synaptobrevin-2 as well as Syntaxin-1 and SNAP25 anchored to the presynaptic membrane. It mediates fusion of synaptic vesicles with the presynaptic plasma membrane resulting in exocytosis of neurotransmitters into the synaptic cleft. While the gene...
ORGANISM(S): Rattus norvegicus (Rat) 
2023-01-25 | PXD030619 | Pride
Native mass spectrometry Chemical cross-linking Snare complex Complexin-1 Signal transmission in neurons 
ProteomicsComplexome profiling of mitochondrial protein complexes from patients with mutation in NDUFC2 gene
NDUFC2 is a subunit of the membrane part of NADH:ubiquinone oxidoreductase (complex I). Here we used complexome profiling to study the role of NDUFC2 in complex I stability and assembly.
ORGANISM(S): Homo sapiens (Human) 
2020-08-10 | PXD014936 | Pride
Oxidative phosphorylation system Lc-msms Complexome profiling Complex i assembly 
ProteomicsComplexome profiling to study assembly of complex III in heart tissue from UQCRH deficient mice
UQCRH, also called the hinge protein, is a small subunit of Ubiquinol—cytochrome-c reductase (complex III). Here we used a complexome analysis of heart tissue of UQCRH deficient mice to study complex III assembly and altered supercomplex composition.
ORGANISM(S): Mus musculus (Mouse) 
2021-09-20 | PXD022855 | Pride
Oxidative phosphorylation system Supercomplex formation and stability Complexome profiling Complex iii assembly 
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