What type of bacteria is purple?
Proteobacteria. The purple bacteria, or Proteobacteria, are often the dominant prokaryotes in aquatic systems. The Proteobacteria lineage contains phototrophs, chemolithotrophs, and chemoorganotrophs, and its members can be found in both oxic and anoxic environments. Why are purple bacteria purple? Purple bacteria or purple photosynthetic bacteria are Gram-negative proteobacteria that are phototrophic, capable of producing their…