2025
A widespread and ancient bacterial machinery assembles cytochrome OmcS nanowires essential for extracellular electron transfer
Shen C, Salazar-Morales A, Jung W, Erwin J, Gu Y, Coelho A, Gupta K, Yalcin S, Samatey F, Malvankar N. A widespread and ancient bacterial machinery assembles cytochrome OmcS nanowires essential for extracellular electron transfer. Cell Chemical Biology 2025, 32: 239-254.e7. PMID: 39818215, PMCID: PMC11845295, DOI: 10.1016/j.chembiol.2024.12.013.Peer-Reviewed Original ResearchConceptsExtracellular electron transferPhylogenetically diverse speciesATP-dependent mannerMicrobial extracellular electron transferBacterial machineryDiverse prokaryotesDiverse speciesBiotechnological applicationsGeobacter sulfurreducensCell growthSurface-displayedMorphology maintenanceBiophysical methodsMulti-heme cytochromesCytochromeElectron transferOsCHSProkaryotesPhylogeneticallySulfurreducensGeobacterOverexpressionSpeciesMachinery
2023
Roles for diacylglycerol in synaptic vesicle priming and release revealed by complete reconstitution of core protein machinery
Sundaram R, Chatterjee A, Bera M, Grushin K, Panda A, Li F, Coleman J, Lee S, Ramakrishnan S, Ernst A, Gupta K, Rothman J, Krishnakumar S. Roles for diacylglycerol in synaptic vesicle priming and release revealed by complete reconstitution of core protein machinery. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2309516120. PMID: 37590407, PMCID: PMC10450444, DOI: 10.1073/pnas.2309516120.Peer-Reviewed Original ResearchConceptsCore protein machineryRelease-ready vesiclesSynaptic vesicle primingVesicle primingProtein machinerySingle-molecule imagingSNAREpin assemblyFunctional intermediatesFunctional reconstitutionMunc13DiacylglycerolCoordinated actionMunc18VesiclesMachineryComplete reconstitutionNew roleSelective effectDetailed characterizationChaperonesRate of caReconstitutionVAMP2ComplexinMutations
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