Featured Publications
Activation of the CaMKII-Sarm1-ASK1-p38 MAP kinase pathway protects against axon degeneration caused by loss of mitochondria
Ding C, Wu Y, Dabas H, Hammarlund M. Activation of the CaMKII-Sarm1-ASK1-p38 MAP kinase pathway protects against axon degeneration caused by loss of mitochondria. ELife 2022, 11: e73557. PMID: 35285800, PMCID: PMC8920508, DOI: 10.7554/elife.73557.Peer-Reviewed Original ResearchConceptsMAPK pathwayLoss of mitochondriaMitochondrial defectsUnbiased genetic screenMAP kinase pathwayCell-specific activationTrafficking complexGenetic screenCEBP-1Kinase pathwayUnderlying cellular mechanismsCellular mechanismsL-type voltage-gated calcium channelsMitochondriaVoltage-gated calcium channelsPathwayUNCAxon degenerationCaenorhabditisActivationCalcium channelsFurther analysisTraffickingSuppressesCaMKII
2024
Organization of a functional glycolytic metabolon on mitochondria for metabolic efficiency
Wang H, Vant J, Zhang A, Sanchez R, Wu Y, Micou M, Luczak V, Whiddon Z, Carlson N, Yu S, Jabbo M, Yoon S, Abushawish A, Ghassemian M, Masubuchi T, Gan Q, Watanabe S, Griffis E, Hammarlund M, Singharoy A, Pekkurnaz G. Organization of a functional glycolytic metabolon on mitochondria for metabolic efficiency. Nature Metabolism 2024, 6: 1712-1735. PMID: 39261628, DOI: 10.1038/s42255-024-01121-9.Peer-Reviewed Original ResearchConceptsO-GlcNAc transferaseO-GlcNAcylation sitesGlycolytic metabolonO-GlcNAcylationEnzyme O-GlcNAc transferaseOuter mitochondrial membraneDynamic O-GlcNAcylationPost-translational modificationsReduced ATP generationMitochondrial ATP productionMetabolic efficiencyEnergy-demanding tissuesCellular energy sourceOGT activityMitochondrial associationRegulatory domainMitochondrial membraneMultiple cell typesATP generationATP productionMitochondrial functionMitochondrial couplingMetabolonCell typesGlucose fluxPolarized localization of kinesin-1 and RIC-7 drives axonal mitochondria anterograde transport
Wu Y, Ding C, Sharif B, Weinreb A, Swaim G, Hao H, Yogev S, Watanabe S, Hammarlund M. Polarized localization of kinesin-1 and RIC-7 drives axonal mitochondria anterograde transport. Journal Of Cell Biology 2024, 223: e202305105. PMID: 38470363, PMCID: PMC10932739, DOI: 10.1083/jcb.202305105.Peer-Reviewed Original ResearchConceptsKinesin-1C. elegansN-terminal domainRetrograde trafficAnterograde trafficTransport mitochondriaMitochondria transportPolar localizationMiro-1CRISPR engineeringMitochondria localizationDisordered regionsMitochondriaTransport complexMitochondria distributionAxonal transportAnterograde transportAnterograde axonal transportMotor complexMiroAdaptorCRISPRGenes