SEARCH Articles Figures Tables Anoxygenic phototrophic bacteria Bacteria photosynthetic/phototrophic Bacteria phototrophs Bacteriochlorophyll a-containing non-phototrophic bacteria Organisms phototrophic Oxygenic phototrophs. metabolism Phototrophic bacteria Phototrophic bacteria structure Phototrophic bacteria, transformation Phototrophic process models Phototrophic sulfide oxidizing Phototrophic sulphur bacteria Phototrophs Sulfur anaerobic phototrophic green