2004
Redox Functions of Carotenoids in Photosynthesis †
Frank HA, Brudvig GW. Redox Functions of Carotenoids in Photosynthesis †. Biochemistry 2004, 43: 8607-8615. PMID: 15236568, DOI: 10.1021/bi0492096.Peer-Reviewed Original ResearchConceptsBacterial light-harvesting complexesLight-harvesting complexCarotenoid cation radicalsPhotosystem IICation radicalsCation radical formationLight-harvesting pigmentsChlorophyll triplet statesPhotosynthetic reaction centersWater oxidationMolecular wiresRedox centersRedox reactionsElectron transferPhotosynthetic apparatusMeans of photoprotectionRedox roleBacterial photosynthesisRedox functionCarotenoid moleculesTriplet stateReaction centersRadical formationNovel mechanismPhysiological significance
2002
Electronic Structure of the P700 Special Pair from High-Frequency Electron Paramagnetic Resonance Spectroscopy
Poluektov O, Utschig L, Schlesselman S, Lakshmi K, Brudvig G, Kothe G, Thurnauer M. Electronic Structure of the P700 Special Pair from High-Frequency Electron Paramagnetic Resonance Spectroscopy. The Journal Of Physical Chemistry B 2002, 106: 8911-8916. DOI: 10.1021/jp021465+.Peer-Reviewed Original ResearchElectron paramagnetic resonance spectroscopyParamagnetic resonance spectroscopyTriplet stateFrequency Electron Paramagnetic Resonance SpectroscopyElectronic structureHigh-frequency electron paramagnetic resonance spectroscopyResonance spectroscopyPrimary donorPrimary donor cationPhotosynthetic reaction centersHigh-frequency EPRDonor cationI. Electronic structureElectronic characterReaction centersValue anisotropySpecial pairTensor axesCationsSpectroscopyPhotosystem IP700T stateEPRStructureElectron Paramagnetic Resonance Distance Measurements in Photosystems
Lakshmi K, Brudvig G. Electron Paramagnetic Resonance Distance Measurements in Photosystems. Biological Magnetic Resonance 2002, 19: 513-567. DOI: 10.1007/0-306-47109-4_12.Peer-Reviewed Original ResearchEPR distance measurementsDistance measurementsElectron Paramagnetic Resonance Distance MeasurementsSpin-lattice relaxation measurementsPhotosynthetic reaction centersDistance measurement techniqueLine shape analysisInterspin distancesEPR studiesRedox cofactorsRelaxation measurementsSingle crystalsSuch measurementsReaction centersPhotosystem IIPhotosystem IMeasurement techniquesBiological systemsRelative orientationMeasurementsCWCrystalsShape analysisPhotosystemsCofactor
2001
Carotenoid Photooxidation in Photosystem II
Tracewell C, Vrettos J, Bautista J, Frank H, Brudvig G. Carotenoid Photooxidation in Photosystem II. Archives Of Biochemistry And Biophysics 2001, 385: 61-69. PMID: 11361027, DOI: 10.1006/abbi.2000.2150.Peer-Reviewed Original ResearchConceptsPhotosystem IIElectron transfer reactionsPhotosynthetic reaction centersWater oxidationLight-harvesting pigmentsCarotenoid cationOxidizing intermediatesElectron transferRedox roleBacterial photosynthesisReaction centersPhysical methodsCationsPhotooxidationCarotenoid compositionRedoxOxidationIntermediatesAlternate pathwayCarotenoidsMinireviewReactionPhotoprotectionPossible rolePigments