BacteriochlorophyllsRhodobacter capsulatusRhodopseudomonasBacteriochlorophyll AGenes, BacterialChlorobiBacterial ChromatophoresRhodobacter sphaeroidesChlorophyllChlorobiumLight-Harvesting Protein ComplexesRhodospirillumPhotosynthetic Reaction Center Complex ProteinsPhotosynthesisRhodospirillalesCarotenoidsRhodospirillum rubrumChromatiumPhototrophic ProcessesPigments, BiologicalAlphaproteobacteriaPheophytinsAerobiosisRhodospirillaceaeChromatiaceaeRhodobacterBacterial ProteinsLevulinic AcidsLightTetrapyrrolesMolecular Sequence Data