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
1999
Low-Temperature Optical and Resonance Raman Spectra of a Carotenoid Cation Radical in Photosystem II
Vrettos J, Stewart D, de Paula J, Brudvig G. Low-Temperature Optical and Resonance Raman Spectra of a Carotenoid Cation Radical in Photosystem II. The Journal Of Physical Chemistry B 1999, 103: 6403-6406. DOI: 10.1021/jp991464q.Peer-Reviewed Original ResearchCarotenoid cation radicalsCarotenoid cationResonance Raman spectraCation radicalsSecondary electron transfer pathwayRaman spectraFT-Raman spectraPhotosystem II core complexElectron transfer pathwayII core complexesPhotosystem IIReversible photooxidationChemical oxidationCationsLow-temperature illuminationFirst exampleCytochrome b559Absorbance maximumPhotooxidationRadicalsSpectraCore complexPossible natureOxidationSpectrum characteristics