BacteriochlorophyllsBacteriochlorophyll AChlorobiRhodopseudomonasBacterial ChromatophoresRhodobacter sphaeroidesChlorobiumLight-Harvesting Protein ComplexesChlorophyllRhodospirillumPhotosynthetic Reaction Center Complex ProteinsRhodospirillalesRhodobacter capsulatusPhotosynthesisRhodospirillum rubrumCarotenoidsChromatiumPhototrophic ProcessesAlphaproteobacteriaPheophytinsPigments, BiologicalAerobiosisRhodospirillaceaeChromatiaceaeRhodobacterLevulinic AcidsLightBacterial ProteinsTetrapyrrolesAzaguanineRhodobacteraceaeRNA, Ribosomal, 16SEnergy TransferDNA, RibosomalChromatophoresAminolevulinic AcidSpectrophotometrySpectrum AnalysisSeawaterRoseobacterBacteria, AerobicPhylogenyChlorophyllidesNorth SeaSphingomonadaceaeHeterotrophic ProcessesAcetobacteraceaeIron IsotopesMolecular Sequence DataCarbon-Oxygen LigasesPhytolGenes, rRNAEctothiorhodospiraBase CompositionSpectrophotometry, InfraredOxygen IsotopesPorphyrinsDNA, BacterialRhodovulumAcidobacteriaBacteriaProteobacteriaChloroflexusPhycobiliproteinsElectron TransportGenes, BacterialRNA, BacterialWater MicrobiologySequence Analysis, DNAProtochlorophyllideOrganellesOxidoreductases Acting on CH-CH Group DonorsOxygenQuinonesPhotochemistryOxidoreductasesDarknessGram-Negative Aerobic BacteriaGammaproteobacteriaFresh WaterThiosulfatesAnaerobiosisSecale cerealeLyasesGeologic SedimentsHyphomicrobiaceaeOxidation-ReductionSodium ChlorideFatty AcidsBacterial Typing TechniquesSpectrometry, FluorescenceMutationMicroscopy, ElectronPuromycinSpectrum Analysis, RamanSulfurCircular DichroismTemperatureCytochromesProtoporphyrins