Chromatium okeniiRhabdochromatium roseumRhodobacteria 2Rhodobacteria 3Rhodobacteria 4Rhodobacteria 5Rhodobacteria 6Rhodobacteria 7Rhodobacteria 8Rhodobacteria 9Rhodobacteria 1Rhodobacteria 10Rhodobacteria 11Rhodobacteria 12Rhodobacteria 13Thiospirillum jenense