#phototrophic_bacteria__phototropic_bacteria__phototropicbacteria  green and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbon
  supertype:  #eubacteria__eubacterium__truebacteria  a large group of bacteria having rigid cell walls; motile types have flagella
  subtype:  #purple_bacteria  free-living Gram-negative pink to purplish-brown bacteria containing bacteriochlorophyll

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