2023
Structure of Geobacter cytochrome OmcZ identifies mechanism of nanowire assembly and conductivity
Gu Y, Guberman-Pfeffer M, Srikanth V, Shen C, Giska F, Gupta K, Londer Y, Samatey F, Batista V, Malvankar N. Structure of Geobacter cytochrome OmcZ identifies mechanism of nanowire assembly and conductivity. Nature Microbiology 2023, 8: 284-298. PMID: 36732469, PMCID: PMC9999484, DOI: 10.1038/s41564-022-01315-5.Peer-Reviewed Original ResearchConceptsNanowire assembliesHigh electron conductivityExtracellular electron transportNanowire networksExtracellular electron acceptorsG. sulfurreducensElectron conductivityCryogenic electron microscopy structureNanowiresHigh conductivityElectron microscopy structureSerine proteasesDifferent biochemical environmentsElectron transportMicroscopy structureDiverse speciesGeobacter speciesSulfurreducensConductivityImportant bacteriaCharge interactionsElectron acceptorBiochemical environmentSpeciesIdentifies mechanisms
2020
Electric field stimulates production of highly conductive microbial OmcZ nanowires
Yalcin SE, O’Brien J, Gu Y, Reiss K, Yi SM, Jain R, Srikanth V, Dahl PJ, Huynh W, Vu D, Acharya A, Chaudhuri S, Varga T, Batista VS, Malvankar NS. Electric field stimulates production of highly conductive microbial OmcZ nanowires. Nature Chemical Biology 2020, 16: 1136-1142. PMID: 32807967, PMCID: PMC7502555, DOI: 10.1038/s41589-020-0623-9.Peer-Reviewed Original ResearchConceptsConductive protein nanowiresIndividual nanowiresProtein nanowiresElectronic functionalityNanowiresElectric fieldGeobacter sulfurreducens biofilmsHigh conductivityMost natural materialsHigh stiffnessElectrical signalsBidirectional interfaceElectronic systemsLiving materialsNatural materialsΠ stackingSpectroscopic studiesEnergy productionNanospectroscopyConductivityStiffnessConformational switchingΒ-sheetHeme groupSensing