2023
A defect in mitochondrial fatty acid synthesis impairs iron metabolism and causes elevated ceramide levels
Dutta D, Kanca O, Byeon S, Marcogliese P, Zuo Z, Shridharan R, Park J, Lin G, Ge M, Heimer G, Kohler J, Wheeler M, Kaipparettu B, Pandey A, Bellen H. A defect in mitochondrial fatty acid synthesis impairs iron metabolism and causes elevated ceramide levels. Nature Metabolism 2023, 5: 1595-1614. PMID: 37653044, PMCID: PMC11151872, DOI: 10.1038/s42255-023-00873-0.Peer-Reviewed Original ResearchConceptsFatty acid synthesisFe-S cluster biogenesisMitochondrial fatty acid synthesisCeramide levelsMost eukaryotic cellsElevated ceramide levelsIron metabolismCluster biogenesisEukaryotic cellsLoss of functionCellular lipidomeEnoyl coenzymeNeurodegenerative phenotypeIron homeostasisHuman-derived fibroblastsMechanistic linkAcid synthesisCeramideMECRMetabolismNeurodegenerationMtFASBiogenesisLast stepMitochondria
2022
Two neuronal peptides encoded from a single transcript regulate mitochondrial complex III in Drosophila
Bosch J, Ugur B, Pichardo-Casas I, Rabasco J, Escobedo F, Zuo Z, Brown B, Celniker S, Sinclair D, Bellen H, Perrimon N. Two neuronal peptides encoded from a single transcript regulate mitochondrial complex III in Drosophila. ELife 2022, 11: e82709. PMID: 36346220, PMCID: PMC9681215, DOI: 10.7554/elife.82709.Peer-Reviewed Original ResearchConceptsSmall open reading framesClasses of genesShares sequence similarityOpen reading frameSequence similarityBicistronic transcriptBiological functionsPhenotypic analysisMitochondrial functionImportant regulatorThousands of peptidesNeuronal functionGenesWealth of informationTranscriptsAnimal lethalityPeptidesRecent studiesParalogsDrosophilaSmORFsMitochondriaRegulatorRegulatesNeuronal peptides