2015
Tyrosine motifs are required for prestin basolateral membrane targeting
Zhang Y, Moeini-Naghani I, Bai J, Santos-Sacchi J, Navaratnam DS. Tyrosine motifs are required for prestin basolateral membrane targeting. Biology Open 2015, 4: 197-205. PMID: 25596279, PMCID: PMC4365488, DOI: 10.1242/bio.201410629.Peer-Reviewed Original ResearchBasolateral targetingBasolateral surfaceOuter hair cellsBasolateral plasma membraneEpithelial sortingHair cellsYXXΦ motifTyrosine motifEarly endosomesPlasma membranePolarized epitheliumTyrosine residuesPrestinGolgiMDCK cellsTyrosine side chainAP1BPhenotypic measuresBasolateral membraneModel systemEpithelial cellsCochlear amplificationMotifMutationsResidues
2010
Combinatorial Cysteine Mutagenesis Reveals a Critical Intramonomer Role for Cysteines in Prestin Voltage Sensing
Bai JP, Surguchev A, Bian S, Song L, Santos-Sacchi J, Navaratnam D. Combinatorial Cysteine Mutagenesis Reveals a Critical Intramonomer Role for Cysteines in Prestin Voltage Sensing. Biophysical Journal 2010, 99: 85-94. PMID: 20655836, PMCID: PMC2895379, DOI: 10.1016/j.bpj.2010.03.066.Peer-Reviewed Original ResearchConceptsDisulfide bond formationCysteine residuesCysteine residue pairsSingle cysteine residueCysteine mutagenesisTransmembrane proteinSubstitution mutantsSLC26 familyResidue pairsFörster resonance energy transferCharge movementVoltage-dependent charge movementDisulfide interactionsResonance energy transferPrestinProteinMutantsDimer formationResiduesCysteineHair cellsSurface expressionAnion transportersCochlear amplificationWestern blot
2009
Prestin's Anion Transport and Voltage-Sensing Capabilities Are Independent
Bai JP, Surguchev A, Montoya S, Aronson PS, Santos-Sacchi J, Navaratnam D. Prestin's Anion Transport and Voltage-Sensing Capabilities Are Independent. Biophysical Journal 2009, 96: 3179-3186. PMID: 19383462, PMCID: PMC2718310, DOI: 10.1016/j.bpj.2008.12.3948.Peer-Reviewed Original ResearchMeSH Keywords4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAnalysis of VarianceAnimalsAnion Transport ProteinsAntiportersCarbon RadioisotopesChloridesCHO CellsCricetinaeCricetulusElectric CapacitanceFormatesGerbillinaeIon TransportMiceMutation, MissenseOxalatesPatch-Clamp TechniquesSalicylatesSulfate TransportersConceptsClosest phylogenetic relativesTransmembrane regionSLC26 anion transporter familyMammalian outer hair cellsMembrane protein prestinPrestin's motor functionAnion transportPhylogenetic relativesAnion transporter familyTransporter familyProtein prestinChloride-binding siteGating charge movementPrestinCharge movementHair cellsOuter hair cellsResiduesMechanistic conceptsVoltage sensingTransport capabilityCellsVoltage sensorPrevious observationsUptake studies