purple bacteria

• Groupe de bactéries photosynthétiques contenant de la bactériochlorophylle et des pigments caroténoïdes qui leur donnent une couleur pourpre ou rougeâtre. Elles vivent en milieu aquatique et sont capables de photosynthèse anoxygénique.

A group of photosynthetic bacteria that contain bacteriochlorophyll and carotenoid pigments, giving them a purple or reddish color. They are found in aquatic environments and are capable of anoxygenic photosynthesis.

1. Photosynthetic bacteriaC2formal

   A group of proteobacteria that are phototrophic, capable of producing energy through photosynthesis, and typically contain purple pigments.

   bactéries pourpres

   • Purple bacteria are often found in anaerobic conditions of lakes and ponds.
   • Scientists study purple bacteria to understand early photosynthetic life.
   • The purple color of these bacteria comes from bacteriochlorophyll and carotenoids.