2023
Multi-omics identifies large mitoribosomal subunit instability caused by pathogenic MRPL39 variants as a cause of pediatric onset mitochondrial disease
Amarasekera S, Hock D, Lake N, Calvo S, Grønborg S, Krzesinski E, Amor D, Fahey M, Simons C, Wibrand F, Mootha V, Lek M, Lunke S, Stark Z, Østergaard E, Christodoulou J, Thorburn D, Stroud D, Compton A. Multi-omics identifies large mitoribosomal subunit instability caused by pathogenic MRPL39 variants as a cause of pediatric onset mitochondrial disease. Human Molecular Genetics 2023, 32: 2441-2454. PMID: 37133451, PMCID: PMC10360397, DOI: 10.1093/hmg/ddad069.Peer-Reviewed Original ResearchConceptsQuantitative proteomicsMitochondrial oxidative phosphorylation systemProtein complex assemblySmall mitoribosomal subunitExome sequencingOxidative phosphorylation systemMitochondrial deoxyribonucleic acidMitochondrial ribosomesMitoribosomal subunitDeoxyribonucleic acidGene-disease associationsLarge subunitOXPHOS disordersSmall subunitComplex assemblyPhosphorylation systemProteomic dataComplex abundanceFunctional validationDisease genesGenome sequencingMitochondrial diseaseCryptic exonGene matchingProtein signatures
2020
Fatal Perinatal Mitochondrial Cardiac Failure Caused by Recurrent De Novo Duplications in the ATAD3 Locus
Frazier A, Compton A, Kishita Y, Hock D, Welch A, Amarasekera S, Rius R, Formosa L, Imai-Okazaki A, Francis D, Wang M, Lake N, Tregoning S, Jabbari J, Lucattini A, Nitta K, Ohtake A, Murayama K, Amor D, McGillivray G, Wong F, van der Knaap M, Vermeulen R, Wiltshire E, Fletcher J, Lewis B, Baynam G, Ellaway C, Balasubramaniam S, Bhattacharya K, Freckmann M, Arbuckle S, Rodriguez M, Taft R, Sadedin S, Cowley M, Minoche A, Calvo S, Mootha V, Ryan M, Okazaki Y, Stroud D, Simons C, Christodoulou J, Thorburn D. Fatal Perinatal Mitochondrial Cardiac Failure Caused by Recurrent De Novo Duplications in the ATAD3 Locus. Med 2020, 2: 49-73.e10. PMID: 33575671, PMCID: PMC7875323, DOI: 10.1016/j.medj.2020.06.004.Peer-Reviewed Original ResearchConceptsMitochondrial diseasePediatric mitochondrial diseaseMitochondrial oxidative phosphorylation complexes IOxidative phosphorylation complexes IDominant-negative mannerStudy of RNADNA sequencing techniquesSegmental duplicationsGenomic strategiesQuantitative proteomicsWhole genomeGenomic investigationsGene locusRepetitive regionsSequencing techniquesGenomeComplex IRecessive deletionsLociWhole exomeDuplicationMonogenic diseasesDe novo duplicationExome sequencingPontocerebellar hypoplasia
2017
Biallelic Mutations in MRPS34 Lead to Instability of the Small Mitoribosomal Subunit and Leigh Syndrome
Lake N, Webb B, Stroud D, Richman T, Ruzzenente B, Compton A, Mountford H, Pulman J, Zangarelli C, Rio M, Boddaert N, Assouline Z, Sherpa M, Schadt E, Houten S, Byrnes J, McCormick E, Zolkipli-Cunningham Z, Haude K, Zhang Z, Retterer K, Bai R, Calvo S, Mootha V, Christodoulou J, Rötig A, Filipovska A, Cristian I, Falk M, Metodiev M, Thorburn D. Biallelic Mutations in MRPS34 Lead to Instability of the Small Mitoribosomal Subunit and Leigh Syndrome. American Journal Of Human Genetics 2017, 101: 239-254. PMID: 28777931, PMCID: PMC5544391, DOI: 10.1016/j.ajhg.2017.07.005.Peer-Reviewed Original ResearchConceptsSmall mitoribosomal subunitMitoribosomal subunitHuman oxidative phosphorylation (OXPHOS) systemMitochondrial protein translationOxidative phosphorylation systemMitochondrial translation defectQuantitative proteomic analysisSpecific cellular pathwaysLeigh syndromeLentiviral-mediated expressionMitoribosomal proteinsMitochondrial ribosomesOXPHOS subunitsMitochondrial translationOXPHOS defectsProtein translationMitochondrial DNATranslation defectsUnrelated familiesProteomic analysisPhosphorylation systemQuantitative proteomicsCellular pathwaysProtein subunitsSubunit proteins