List of six special groups of bacteria:- 1. Anoxygenic Photosynthetic Bacteria 2. Oxygenic Photosynthetic Bacteria (Cyanobacteria) 3. The Methylotrophic Bacteria 4. The Nitrifying Bacteria 5. The Stalked and Prosthecate Bacteria 6. The Cyanomorphic Bacteria. Gram-Negative Bacteria: Group # 1. Anoxygenic Photosynthetic Bacteria: In the first edition of Bergey’s Manual of Systematic Bacteriology (1984), the anoxygenic […]