2005
Construction and Characterization of Genetically Modified Synechocystis sp. PCC 6803 Photosystem II Core Complexes Containing Carotenoids with Shorter π-Conjugation than β-Carotene*
Bautista J, Tracewell C, Schlodder E, Cunningham F, Brudvig G, Diner B. Construction and Characterization of Genetically Modified Synechocystis sp. PCC 6803 Photosystem II Core Complexes Containing Carotenoids with Shorter π-Conjugation than β-Carotene*. Journal Of Biological Chemistry 2005, 280: 38839-38850. PMID: 16159754, DOI: 10.1074/jbc.m504953200.Peer-Reviewed Original ResearchMeSH KeywordsBeta CaroteneCarotenoidsCationsChlorophyllChromatographyChromatography, High Pressure LiquidElectronsGene DeletionLightManganeseModels, ChemicalModels, MolecularMutationOxidation-ReductionOxidoreductasesOxygenPhotosynthetic Reaction Center Complex ProteinsPhotosystem II Protein ComplexPigmentationRhodobacter capsulatusSpectrophotometrySpectrophotometry, InfraredSynechocystisTemperatureTime FactorsTyrosineConceptsPhytoene desaturase geneII core complexesDesaturase genePS II core complexesSynechocystis spCore complexPS II assemblyCarotene desaturase genePhotosystem II core complexPCC 6803Rhodobacter capsulatusWild typeMutant strainRedox functionPhotosystem IISecondary electron transfer pathwayGenesElectron transfer pathwayLight-induced formationCarotenoidsSpChlorophyllConjugated pi-electron systemPathwayComplexesHigh‐Spin Chloro Mononuclear MnIII Complexes: A Multifrequency High‐Field EPR Study
Mantel C, Chen H, Crabtree R, Brudvig G, Pécaut J, Collomb M, Duboc C. High‐Spin Chloro Mononuclear MnIII Complexes: A Multifrequency High‐Field EPR Study. ChemPhysChem 2005, 6: 541-546. PMID: 15799481, DOI: 10.1002/cphc.200400484.Peer-Reviewed Original ResearchConceptsElectronic propertiesLigand field strengthHigh-Field EPR StudyPorphyrinic systemsTridentate ligandMnIII complexesDistorted octahedronLigands decreasesSolid stateJahn-Teller distortionPrevious complexesStructural characterizationCrystallographic dataEPR studiesMultifrequency EPRManganese ionsComplexesOctahedraTetragonal distortionE termDifferent temperaturesAnionsEPRLigandsProperties
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