purple sulfur bacteria | definition

  • phototrophic bacteria that oxidize hydrogen sulfide into elemental sulfur and sulfuric acid
  • their purple color is due to the pigments bacteriochlorophylls and carotenoids


Parker, N., Schneegurt, M., Thi Tu, A.-H., Forster, B. M., & Lister, P. (n.d.). Microbiology. Houston, Texas: OpenStax. Access for free at: https://openstax.org/details/books/microbiology



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